Nvidia Doesn't Want You to Do This - GPU Shunt Mod

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Armed with a bag of 5mΩ resistors Alex attempts to make a very fast RTX 3090.
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CHAPTERS
---------------------------------------------------
0:00 Hardcore Overclocking is Super Easy...?
0:50 The Plan
1:29 Baseline Readings
2:12 K5 Pro: The Sticky Sequel
2:38 How to Make a GPU Faster
3:27 Shunt Mod Explained
4:25 Soldering the Resistors (Legendary Difficulty)
7:34 How to control Voltage
9:45 Resurrecting the Chiller
11:11 Water Cooling a GPU feat. Angle Grinder
12:49 Our Chiller is Terrible
14:13 Will the GPU Work??
15:36 Hardcore Overclocking (for real)
19:12 Outro

[@ghajik.]

risking a 3090 is exactly what i expected out of this channel

[@ffwast]

Must have gotten close enough to the release of the 4090

[@angeldust4200]

Not just any 3090. One of the rarest 3090's in the world...

[@mikepawlikguitar]

If they don't fry it, Linus will just drop it later anyway 😛

[@GrumpyCoffeeBean]

Somebody has to do it...

[@TheBeatDilla]

Bumped you up to 400. You’re welcome. Good day, sir.

[@joshuagorecki4743]

it seems to me that Alex is the perfect example of "knowing just enough to be dangerous."

[@dposcuro]

He knows enough that he knows he doesn't know as much as he should... And he knows that he really *should* have better tools, but deadlines are deadlines, and content is content. So, in the immortal words of this new generation: "Jus'fuckin' send it bud!"

[@SergeantDude]

@@tommitchell7294 he may think he's the smartest cookie but at least half of the office would run laps around him in just about any subject.

[@eldeanogrande]

Reminds me of my CEO.

[@han5vk]

@@spunkmire2664 Please don't insult actual engineers by comparing Alex to them, thanks.

[@JLneonhug]

@@han5vk it's a joke, but mildly true, don't tell me the projects you work on aren't fudged together, be it lack of project management or lack of time/funding. Then engineering has to yolo things together and hope it works. If your projects aren't like that you're not really an engineer. Maybe software, which is basically is the IT guy ;)

[@graysenbilliar4250]

Linus awhile back you asked what I wanted to see on the channel. This. This is what I want to see! Y’all using the workshop mythbusters style pushing the boundaries of pc tech.

[@lucasrem1870]

Running it on apple M2 only!

[@numberpirate]

Isn't it easier and shorter to type you vs y'all? Everyone knows you mean "all of them", so there is no need to go the extra step in differentiating between singular and plural. Or do you like looking hokey(rhymes with pokey)?

[@joeyjohnsonson4341]

@@numberpirate typ mor smpl bc w'kno wht y'mean

[@autumn-876]

@@numberpirate 🤨

[@hexagon8899]

@@numberpirate the difference between "you" and "y'all" is less than the difference between "" and "isn't it easier and shorter to type you vs y'all? Everyone knows you mean "all of them", so there is no need to go the extra step in differentiating between singular and plural. Or do you like looking hokey(rhymes with pokey)?"

[@blindogt]

“We’re going to hack something up with an angle grinder and call it good.” - Alex, surrounded by thousands of dollars worth of amazing cutting machines.

[@mattmellor4597]

Alex: we have this super janky chiller, it might leak idk Also Alex: fills entire thing with expanding foam *Chiller proceeds to leak* Alex: surprised Pikachu face

[@myaccount__7269]

Welcome to LTT

[@drc8676]

As an experienced hardcore overclocker who spent many-a-day working with LN2 cooling and shunt mods this video hurt me... because it reminded me of my early days stepping into the hobby. Der8auer and the like make it look so easy after literal years of effort. But I enjoyed every second of this car crash and definitely want more content like this, thanks Alex!

[@rstidman]

I first overclocked a 486 dx2, so I feel your pain my friend. at least the cache and most of the other modern soc parts were external.

[@WTP_DAVE]

yeah im confused at the whole effort to use the chiller when ln2 is available

[@farjam1990]

LN2 OC is king, had my share of fun when it was real fun... lol

[@matiaslgonzalez]

@@WTP_DAVE I guess the point is to use a easier to get consumable, so distilled water instead of ln2

[@everaimless]

@@WTP_DAVE I'm confused at them struggling with the leaky chiller when they could have left a tub outdoors for some ice water for a plain water loop!

[@rinnie.nicole]

Alex and Kyle need their own video segments, they're hysterical together!

[@Joe-og6br]

No

[@notinterested8452]

😂is he African?

[@LeanderLoomans]

@@Joe-og6br Yes

[@thumbwarriordx]

Preheating boards for soldering is actually one of the many unexpected uses for my 3D printer's heated bed. Very useful. Also getting plastic laminate pliable, softening glue. But most of all I use it to keep my dinner warm.

[@jackblackwhole]

I really like how Alex’s concepts and drawings always sounds quite good. But then we get to the practical parts…

[@thatrealba]

He was an engineering STUDENT, as I recall. He never finished. And this is why pretty much everything he builds is sh*t.

[@arsenal4444]

@@thatrealba makes for more entertaining content tho

[@bbbbbbb51]

@@thatrealba paid engineers build like shit too. Making an idea work is about more than the planning. Things often work on paper, but fail in practice. There are near limitless variables.

[@littlejackalo5326]

He was an engineering undergrad, who watches a lot of KZbin videos of actual engineers. He thinks if he watches those KZbin channels, uses their terminology, and gets Linus to buy him the tools that they use, that he can do actual engineering and fabricating. That half a million dollar shop with $150k worth of welding, machining, and fabrication tools and machinery, and he can't even solder a resistor on to a PCB. Everything he does turns out like trash. He couldn't even get the chiller to do anything more than look pretty with a laser cut sheet metal case and some LEDs. They need to get an actual engineer/fabricator on the payroll. He's just not it. It took him like a grand worth of cast acrylic and days (over several weeks) worth of labor just to machine the reservoir for the desk PC. He made like 20 failed prototypes. I don't get how or who he convinced that he has more abilities than he actually does. Had to have been Yvonne. Was an engineering undergrad, you learn almost zero engineering skills, and next to no fabricating/practical skills. It's mostly math and physics classes and that's why you don't become an engineer just because you have an engineering degree. You need to work at an engineering firm to become an engineer. Like doing rotations and residency to become a physician. He's like most engineering students. They may do really good in the physics/math classes, but couldn't screw two pieces of wood together. But I suspect that he didn't do good in classes either, considering he didn't finish.

[@gerryjamesedwards1227]

What I don't understand is how he can wind up in the job, and then still not bother learning what he needs to know.

[@10001000101]

"poor GPU, it didn't deserve any of this" *Looks at 3090 prices* Yes, yes it did.

[@petersantana4986]

blame scalpers instead

[@petersantana4986]

its also the flagship gpu

[@Montisaquadeis]

@@petersantana4986 actually that the 3090 Ti now NOT the 3090. Also I blame scalpers and Miners for these sstupid prices

[@charmsly9506]

@@Montisaquadeis yeah its not like covid or a silicone shortage exists

[@will2brown50]

@@charmsly9506 it's a combination of numerous factors

[@68LP13]

More vids like this please..... Wow the difference from the camera shy boy to the vids you are putting out on your own is massive, you (Alex), Linus, James, Riley, Anthony, Jake in no specific order for me are the core of LTT (on screen). I cant remember when I started to watch this channel, dam, it was something like in the 30k subs and the work you guys do on and off screen since then is truely remarkable.

[@sqeaky8190]

I have that same Hakko soldering iron, and it is easy to accidentally set the offset instead of the temp. If done it can think that it much hotter or colder than it actually is.

[@lucasrem1870]

Sqeaky It's sponsored by TSMC, they sell more GPU chips if you do this at home!

[@boz89]

What soldering iron is this? Does this one use the T12 / T15 tips?

[@robmckennie4203]

the temperature offset thing is confusing as fuck, they call it temperature offset when it's actually a calibration, and it's easier to get to the calibration than the actual temperature adjustment. ridiculous design

[@deth3021]

Yeah but they were trying to solder onto ground/power planes. So that iron just doesn't have enough grunt for the application.

[@cavemaneca]

@@deth3021 nah, it definitely has enough power to do it. I use that exact same iron at work all the time.

[@HarmonicDuality]

17:48 That screen flicker was so perfectly timed with what Alex was saying about risking a card for OCing.

[@LinusTechTips]

The CPU wasn't ~quite~ stable and would occasionally crash right there. Opening the door and letting the 0° air in helped a lot -AC

[@timu1960]

@@LinusTechTips 🗿

[@mars5268]

@@LinusTechTips 🗿

[@JoseGarcia-mi4ig]

@@LinusTechTips 🗿

[@Loyis]

@@LinusTechTips 🗿

[@thexgamer8240]

Alex: *We’re gonna overclock this RTX 3090 with everything disabled. What could go wrong?* Canadians waking up tomorrow: *Where are the lights? I can’t turn anything on.*

[@Neoxon619]

That’s what happens when Linus isn’t in the room to reign Alex in.

[@balmond4145]

They got power issues

[@Happiness-lp9fw]

Don't worry i heard some canadians are working in a generator that uses honking to generate power!

[@stevenbmeza]

@@Happiness-lp9fw oof.

[@chapel976]

It's Canada, not Texas.

[@christophermullins7163]

You guys are really good at making things look more difficult than they are.

[@thefish322]

Serioisly wtf

[@leebee1100]

Absolute love the chaotic creative and risky mods to expensive stuff episodes you guys do!!

[@GB570]

Kyle wearing the Live Laugh Liao shirt cracked me up!

[@Posichronic]

It is comfortable to my eyes.

[@Fay7666]

That's gonna be a new product in the making, right?

[@profix25lo]

Watching this "solder-job" hurts me on so many levels

[@EveryGameGuru]

I couldn't even finish the video 😭

[@LastOfTheRangers4090]

I know it's hard, but I guess you'll just have to solder on...

[@MTGeomancer]

Yeah, it was something special. I'm an EE myself, and work with several hundred. You'd be surprised at how many don't know how to solder at all, it isn't something you learn in school. There was nothing wrong with their iron.

[@stephm0]

The audacity to blame it on the soldering iron too. That Hakko station is great

[@stark5270]

@@MTGeomancer I learned it in undergrad for Mechatronics engineering

[@Erick_The_Green]

you guys could've heated the board with a HEAT GUN FIRST. Lol. you don't gotta hold it up close and cook parts off or something, hold it like 12 inches away and day dream for a little while then check how hot it is

[@fenton2986]

Yoooooo!! It's really cool to see crazy stuff like this on LTT videos! A vast majority of content is everyone-friendly, accessible and understandable by everyone, a large amount is techie-minded with crazy stunts like the 5 mile wifi connection, and then the rest is really cool, extremely technical stuff like this!! Super love the variety of content, and I'm glad you guys aren't limiting yourselves to a smaller range of video ideas!

[@devnol]

"I'm not an angry person, I just like shouting at things" - Every electrical engineer ever

[@askinperson2839]

Every builder of things or solver of problems

[@cheetahkid]

Every engineer scream at the tools they don't own, lol, I do too.

[@PhillipMaquiso]

Every Engineer shouts at tools not working what it needs to.

[@Mr.Funplayer]

As someone who does soldering professionally, watching this really hurt xD

[@flippy9133]

I dont solder professionally and it still hurt

[@R2_D3]

Calling it ''soldering'' hurts even! 😉

[@Jibberish81]

Yeah that was some of the worst soldering I’ve seen in my entire life. They go through all the effort of making a video about overclocking a card that very few of us can hope to obtain right now, and then just haphazardly glob some solder on the board, talk about how they could have done it correctly, and then just call it good for the lol’s. They didn’t even bother to use any cleaner on the board when they were done. Also, if you’re just going to solder another equal value resistor in parallel to cut the resistance in half, just desolder the original resistor and install a half value resistor. That would have been much more simple.

[@Jibberish81]

@@robertbrainard5651 That Hakko wasn’t really a bad soldering iron. It’s no Metcal, don’t get me wrong, but it’s not bad. Their big problem, as they correctly pointed out, was that the board was doing a very good job at syncing away the heat faster than the iron could heat the solder joint. They’re just too freakin spoiled and lazy to follow their own advice to preheat the board before soldering, or take other measures to get enough heat into the board fast enough to properly heat/flow the joint. I used to solder at an aerospace company and this heat dissipation issue is not anything new. They’re just lazy and spoiled.

[@han5vk]

@@Jibberish81 I share your frustration. I'd say desoldering the old resistor is definitely not easier though, at least in my experience. You run the risk of ruining the pad, and even if you don't you gotta clean it and all that. Piggybacking on top of the old one is faster and easier. Especially considering you have less thermal mass to heat up with more thermal resistance to the board, fighting its heatsinking capability.

[@Rom2Serge]

One of my favorite videos on linus channel. I like the vibe and style and dirtines , just grate!

[@Gigalisk]

Coming back to this channel after 2 months and the gpu crunch - Kinda gets my heart going! LOL

[@fen4554]

I remember in the late 90's early 2000's when the overlocking scene really took off, I had a conversation with a gearhead about it. Telling him "I swear squeezing every last frame out of a rig is exactly the same as tuning a car for every last pony." He looked so insulted that I would compare hobbies. Funny what time does to opinions like that.

[@MiGujack3]

That still happens to this day. Many car guys are really, *really* dumb. Tuners (the ones with dynos) would get along quite well with overclockers, both change computer values, both can blow things up too!

[@YungEagle3k]

Cars are far more complex, far more moving parts plus getting dirty while not getting dirty 😂

[@YezzyHD]

@@YungEagle3k While i dont agree what MiGujack3 said. But saying cars are more complex is a bit huh. Computers are probably the most complex things mankind has been able to come up with.

[@glue_ostrich9600]

@@YungEagle3k cars are honestly so much less complex. I don’t know a whole lot about cars but my dad is an auto shop mechanic and we are both into computers so I believe him when he says computers are much much more complex.

[@taylorouellet7068]

But it is true, they are similar in the way that you get more performance

[@fffforever]

"Half a while" "Some fast" "Boot 'er up" Alex has to be the most Canuckian staff member at LTT

[@13deadghosts]

Boltr: 3090 Edition :P I would kill for an LTT Episode narrated by AvE

[@markiep8477]

If Alex doesn't play hockey, I will be disappointed.

[@cdurkinz]

You forgot "bippity boppity" (18:21)

[@ShotGunner5609]

@@13deadghosts I'd have a friggin heart attack from laughter if that happened. Especially the first 30 seconds while he uses a chansaw to open the box.

[@tiny3678]

alex's brother wayne lives in a small town called letterkenny

[@Sencess]

Im only 30 seconds into the video and Im already loving it. Cant wait to see what Professor Alex has got for us today.

[@BradfordRMcKnight]

This was great. I definitely prefer this kind of content from you guys!

[@DiarrheaBubbles]

LTT: "the fastest GPU in Canada" Also LTT: *owns 98% of RTX30 cards ever made

[@kai22333]

they own like 5 bro

[@DiarrheaBubbles]

@@kai22333 Exactly

[@MightBeBren]

@@DiarrheaBubbles i was your 69th like... nice

[@kai22333]

@@DiarrheaBubbles next to miners that have hundreds

[@aflyingmodem]

Hearing you got nearly 20% more performance out of the card without LN2 is actually pretty good imo lmao(6% from the k5 repasting and 12% over that) would love to see more.

[@imadecoy.]

I mean I got 19% performance boost on air out of my 6800 XT without ever opening up the card, though I wasn't starting at 390 Watts.

[@kaiwenwu8148]

Everyone can do it just on water, they just don't know how to use evc2.

[@spdcrzy]

EVC2 + shunt mod + full cover waterblock + sub-ambient radiator = Insane benefits for the price. And if you do it right, you can actually get a significant uplift for less than double the wattage. Plus it doesn't require constant monitoring!

[@chrisakaschulbus4903]

I'd love to see them mess around with liquid nitrogen

[@boburanus69]

This new guy is my spirit animal... Cuz this was me working at my last tech repair gig. Every day is a discussion about how we are supposed to suffer without proper tools rather than just getting what we need to get the work done to the best of our ability.

[@MrAgentTweak]

Love the more extreme overclocking videos thanx guys , question : why did Alex not just make a LN2 or Dice container ? Would have been more fun and less hassle :) . Or do a hardcore overclocking with CPU and GPU under sub zero :) .

[@chuzzle44]

I think this is the first time we got to really see Kyle doing something other than standing around, looking mildly uncomfortable with Linus' exuberance. He's a lot more fun than I was expecting and I'm looking forward to seeing him in more videos. He's going to fit in great here.

[@kenzieduckmoo]

I have a feeling he's gonna feature heavily in LTT Labs stuff

[@alcorza3567]

He sounds like he's a South African. The accent is very unique.

[@Willem_Lab]

@@alcorza3567 I also got that idea when he started talking 😂

[@whwhywhywhywhywhywhy]

@@alcorza3567 if he's from South Africa there around 60 million people with similar accents

[@n0ne0ther37]

@@whwhywhywhywhywhywhy You would think this based on the population of the country but you're way off. With 11 official languages the dialects vary extremely. He sounds like an afrikaans native speaker and even then not all of those in SA have the same accent. As a South African I know I'm not spewing bullshit. Also, the numbe of afrikaans native speakers is only around 7 million, which is a lot less than 60 mil

[@EGOS42]

Customer support: Which way do you think you may have voided the warranty on your 3090? LTT: Yes

[@taylorouellet7068]

It would go more like this. (GPU company- So how did you manage to void the warranty? LTT- every possible way.

[@axing_]

love wild janky projects like these, my favorite kind of LTT videos, more, more, more! Just don't go too far and ruin the Canadian electricity grid

[@CentigradeMind]

Lmao

[@LTV746]

The grid be damned! 13000!

[@waveformdistortion]

I still think you should hook the "Chilltrocity" to a plate heat exchanger and use it to do chilled water loops.

[@waltm4674]

If you happen to read this, your going to want to do a factory reset on that Hakko unit as your issue is most likely when you "set" its temperature you actually set the temperature calibration. Its a common problem on that unit and the displayed temperature is not the true temperature but much lower.

[@cdurkinz]

This would explain why a Hakko was performing so bad I imagine. Was wondering that.

[@mycosys]

yeah that iron is definitely more than ample for the job, clearly some setting was wrong, ty

[@waltm4674]

@@mycosys yeah Ii use it to solder onto small copper plates at 650F with no issues.

[@CptPatch]

I hope Seasonic paid well for this, because this made a great promo piece for their power supplies.

[@dcchillin4687]

i just started my electronics classes for electrical engineering. this video is most of what were covering in a first year class lol

[@davidmoffitt981]

I love seeing more Alex!! Fun video :)

[@FusionC6]

i rememeber being a teen (1999) and my idea of ''advanced' overclocking was taking a room fan, pulling off my side panel on my 500mhz p3 with 64mb ram and a ati rage 128 16mb, then pointing it into the case. i got some pretty good results! stock 90/90, i had solid performance at 125/145 or so if not higher. i miss that

[@TehButterflyEffect]

I did exactly the same thing with a Celeron II and the same graphics card, in about 2003. I ended up frying the card and never bought another ATI card again. 😀

[@FusionC6]

@@TehButterflyEffect that card in 2003 wasn't any good for anygthing anyways lol

[@TehButterflyEffect]

@@FusionC6 Eh, I was playing games from 1999 and 2000 that my old Matrox card and Voodoo 3 had struggled with like crazy. I went from 2-3fps with the Matrox to 10-15 fps with the Voodoo, then 20-30fps with the Rage. I had one game it couldn't run, which is why I tried to overclock it. Combat Flight Simulator 3. 👍

[@ShieTar_]

Eh, that's still very modern. My first overclocking experiment started when I noticed that the 50 MHz quartz crystal in my Amiga 68030 card was not actually soldered in, so I went and got a 60 MHz crystal from an electronics shop and replaced it. Worked well for a while, then summer came and the system (with absolutely no fans) overheated after about 30 minutes. Plus, gaming back then didn't even care about the overclocking, since it was all designed to run perfect on the base model.

[@callummcleish5281]

@@ShieTar_ I had an es AMD Athlon 1100 in 1998 (dad was head of R&D at mesh computers) he "acquired" it from work written off as a dead chip slapped it in my first rig and overclocked it to 1.5ghz for me, he had it running a 3dfx guillemot voodoo maxi gamer phoenix with an incredible 16mb of memory on the graphics card, a 4gig hard drive and 256mb of sdram, best christmas present ever. my first upgrade after that was a matrox G400 dualhead graphics card that made games run in hyperspeed when the frame limiter was disabled then a voodoo3 then a geforce fx5900 then a winfast geforce 6800 and then a radeon 2900xt then a zotac gtx580 and now a gigabyte gtx950 a lot of other cards in between that I can't remember along with mobo,ram,cpu upgrades to the point I'm sitting with a semi decent rig (don't game much any more on pc) asus x99 deluxe i7 5960x gtx950 32gb dominator ddr4

[@AdamHowellProvo]

Holy crap! And I thought MY solder joints looked bad! Thank you for making me feel better about my electronics skills.

[@MiGujack3]

If they look worse than this you REALLY have a problem.

[@3of12]

If you wanna try a cooling setup like this I have a few improvements. The use of copper cold plates is obvious, but considering the VRAM temps I would use forged copper VRAM heatsinks as I've experienced much better results with it. For conformal coating, try liquid electrical tape. Once it sets it does the job and can be peeled off with no residue. I use these to liquid cool a GTX 1080 with a Kraken CLC and NZXT G10 gpu bracket. I used liquid metal on the die to give it more of a fighting chance and I was able to overclock normally even with a 120mm rad and I'm sure something bigger would have done well with a shunt mod.

[@easyasabc1408]

@linus tech tips The solder on the componuts were likely Full silver, next time, try to melt the solder, and then Add some cheaper lead/tin/silver solder to the puddle, Then, use a solder revomal tool to suck away the mass, and then just use the bare pads and some fresh regular solder just fine with the IC's

[@Mom19]

Here is the plan: "To get a GPU..." Mission failed, we will get em next time

[@LifeWithMatthew]

I think my favorite part of Alex's projects is how they always turn out looking like my own projects.

[@bagibadoo439]

Except he has tools for tens of thousands dollar and does it on work time and it still always ends ups like shit. If i did something like this i would get fired (which would be fair)

[@insanelywicked873]

Awesome! I'm gonna do this on my laptop!

[@Gaetano.94]

I did it a while ago, made my 2080 Super from 80w to 150w and hardly increased the temperature. Worked really well, just make sure that your Ac adapter is rated for enough power.

[@mborowski2010]

This is the first DIY video I watched without any intention of doing it myself. I love my 3090, it works wonders when running cad and doing design. I been spoiled so when I used someone elses computer and realized how fast mine is when running programs like cad, I'm great where I'm at.

[@wzpu3283]

You should do some cad.

[@ritualj0int]

The fact that you guys keep that card alive was a success for me. Nice job!

[@MajorMokoto]

It's a shame you didn't have a watt meter on the wall to measure draw at the outlet on this. That would have been interesting to see.

[@Br-Shaft]

For what he said, the draw is over 1200w, judging by the low waste seasonic is know for you can put 10% over that

[@MajorMokoto]

@@Br-Shaft that was only an estimated draw. It's probably accurate but if something can be measured you should measure it.

[@samuelschneider9067]

Quick nerd trick for soldering! Melt the soldering wire above cold hard surface like a metal block or tile. When it hits the droplet will flatten. Use scissors or snips to cut a nice strip to lay between your contacts. Apply a little flux between the contacts and your solder strip. Downward pressure from and apply heat. no mess!

[@viktororban1520]

reminds me the goold old days with two 7300GTs in SLI, having a potentiometer soldered onto them to raise voltage. once i was lazy and impatient so started raising voltage without a multimeter. that was an expensive lesson :D

[@c4sualcycl0ps48]

Seeing this soldering job gives me so much more confidence in finally repairing the buck rectifier on my GPU ( I blew it up with a DIY eGPU setup by accidentally plugged in a 19V power adapter rather than a 12V) Maybe the card isn’t dead

[@SuperTtKiller]

Should be dead if there is no fuse

[@c4sualcycl0ps48]

@@SuperTtKiller I was thinking that maybe since the rectifier (what controls the voltage) blew, maybe everything downstream would be fine.

[@SuperTtKiller]

@@c4sualcycl0ps48 It could be...but 12v in core can kill it already, so 19 v doesn't help 😓

[@etatsopa]

You gotta be careful soldering boards with huge heat capacity. It's always best to warm the whole board up and then use the minimum heat needed to flow the solder. While they're built for big heat spreading ability, there are still very fine traces especially around the GPU itself. Big thermal differentials can shear those tiny traces right in two.

[@UNSCPILOT]

Things like this make me happy to keep my sapphire 5700XT nitro+ as stock, much easier to keep reliability than trying to do.... this

[@prashanthb6521]

I just lost 4 days of SMD capacitor soldering only to know on the 5th day that many of them had cracked because of uneven heat / thermal cycling.

[@etatsopa]

@@prashanthb6521 that’s a bad time. You may need to invest in a heat plate my friend :)

[@Kholaslittlespot1]

Hot air station for the win

[@EkiToji]

I used to use a toaster oven I rigged a Tiny to so I could actually have an adjustable PID to deal with the temperature ramp in addition to the target temperature and soak time. Worked well enough as a reflow oven but not sure I'd trust it for something like this. Probably would have just masked off around the shunt resistors and then used a heat gun with some soldering paste and a flux pen to just go to town.

[@Robert-wq1sz]

Excellent content!

[@asmodeus_demon_lord7016]

Every time I see that Water chiller I cry for the lack of hose clamps

[@Equitine]

That whole intro to soldering was amazing..."look how much solder is in there?...whats up with this tip?...eww no not that flux...how do you lower this?" the perfect sounds of a professional at work HAHAHA

[@AndreiKucharavy]

7:03 "Stick it into the toaster oven" - I can hear Louis Rossman scream at his screen all the way from here.

[@AndreiKucharavy]

7:32: I think at this point he just fainted.

[@electronash]

Definitely would like to see more of this Even if it turns into a bit of a car crash, that's what makes it entertaining. lol This was a perfect example of the difference between a soldering iron's max temperature, and the "thermal capacity". It often helps a lot to just use a wider chisel tip on the iron, and hold the tip square-on to the end of the pad / solder joint / part. Then again, if the iron doesn't have the wattage, it might not help too much anyway. I think a lot of this more extreme overclocking stuff shows that the returns start to diminish quickly, vs the effort put in. ie. it's not often you'll see the average gamer with a phase-change cooler hooked up, just to get a 6-12% boost. lol But I still love watching the challenge, and seeing the scores people can hit.

[@phenicusthefarmer3780]

Maybe my fav linus tech yet. This guy is good and not methed out in any way. Thumbs up. Thanks

[@philmorton4590]

Not surprising, the non leaded solder is suppose to take a higher temperature to melt, it saves the planet and your graphics card from dying. But is impossible to work with as leaded and unleaded solder don't form good joins, that's why Louise removes it and starts fresh when rebuilding a circuit.

[@israelmxc]

It doesn't really save your GPU, good old leaded solder is actually way better (in therms of long lasting lifetime) modern electronic solder joints can easily fail within 5-10 years while old school stuff still works. As far as I know its just a thing of saving money more than a enviroment or safety thing. Leaded solder must be worked with active air suction. If not the companies are legally accountable for medical problems. So not leaded means no legal responsability and saving money on not needing air extractors.

[@greebj]

so glad I can still buy the stuff so I can use it when I need to. On the scale of things destroying this planet a teensy bit of PbSn solder isn't enough to trigger my conscience

[@scurvofpcp]

Those newer solders are brittle as hell and god forbid whatever you are working on has a fine oxide layer or any type of electroplate layer, because that will be your fail point in like 3 years.

[@DerrickRG]

Saves the planet? Lol, no.

[@0x8badf00d]

@@israelmxc That's for the flux fumes. You still need air filter/whatever for lead free solder. There is bugger all lead vapor.

[@svenstopke415]

Caution: this may void your warranty! xD Just stick it in the toaster! I absolutly love your borderline insane projects! Keep it up boys 'n' girls!

[@BruceCarbonLakeriver]

HAHAHAHA XD

[@JovianPug]

I'd love to see some more OC hardcore stuff! :D

[@lordstoned6960]

This is total anarchy! I love it! Also this finger clicking thing. My friend does that alot exactly like you and I thought he was the only one. But hey, he isn't, who would have thought! :D

[@billyeveryteen7328]

I actually managed to get my hands on a 3090FE, and this was still one of the most painful videos I've seen on LTT.

[@gamzeelmao1157]

I bow down to your glory

[@aydenistaken]

i have a 1030 gt

[@will2brown50]

How's the cooler on the FE 3090. I've heard FE typically had poor cooling but the 30RTX series has rectified that issue?

[@marciomicio]

please reassure your card you'll never do something like this to her!

[@TheRealLink]

SAME. I re-timmed my Memory pads but not trashing the beautiful FE cooler. This made me cry a bit ;p.

[@linuxguy1199]

6:50 I'm running that same iron, and have soldered far higher heat capacity components before with no problems. In that scenario what I'd do is place some al foil and kapton over the plastic components then carefully preheat the area with a heatgun to around 100C, keep the hakko at about 180C. Add some flux, then gently solder the new one making sure to use leaded (NOT LEAD FREE) solder or specialized low melting point solder (used by specialized components that cannot withstand 150C from an iron due to temperature gradients or whatever).

[@xdog12]

Could be that someone screwed with the calibration. I did it by accident.

[@xdog12]

@@MaritimesNB thank you! I just decided to live with my fuck up. It's not like I know what temperature it should be at anyway

[@warasilawombat]

I mean clearly they didn’t use enough flux so

[@hooby_9066]

That spray foam also comes in a special variant, made for sealing wells.

[@ElShotte]

"I'm not an angry person, I just like to shout at things" - me too! It's so liberating, especially when something annoys you, of course at the risk of sounding like a bitter/crazy individual. 😆

[@kokoro_na_kaze]

Alex :we don't have a full blown lab The new ltt lab : Are we a joke to you Future joke

[@BobSentell]

This episode is a demonstration on why they are getting one. It has been over a decade since I worked as an electronics technician and my eyes were still twitching.

[@MiGujack3]

Their whole lab plan seems extremely rushed. I expect them to do things wrong for quite a while. It's good to have more "labs" but LTT has a history of bad and undetailed benchmarks. They can't even match GN, considering their resources.

[@UCm0i6w5lBlRthCtZEoj99tg]

You probably need to reset / re-calibrate the soldering iron - there's a video for that model that shows how to do it easy. Probably someone thought they were adjusting it and that's why its running cold.

[@jayhollowayii2]

kyle needs his own ltt series working with power supplys and alex working with gpus and linus well being linus jack of all trades lol !

[@xoxoxo-42]

You monsters… OMG that poor board. Y’all just straight up evil. 7:33

[@TheCoquitoco]

I loved seeing Buildzoid getting involved in a project like this. Love all the AHOC content!

[@77Brainfreeze]

His voice was instantly recognizable.

[@tuddak]

Kyle is such a cool guy (not an angry person 😄). Hope wee gonna see him more often

[@KingLarbear]

Is he new?

[@Pseudomeaningful]

And he’s South African !

[@TheDigigram]

@@Pseudomeaningful that bloody accent, don't hear it too much here in my corner of Aus, so made my heart beat green and gold again

[@matthew9341]

'Yah, shame man' got me lol

[@TheDigigram]

@@matthew9341 oh I miss that soo much 🤣🤣

[@nobody7817]

I did microminature soldering in the Military back in the early 2000's. You def need the RIGHT equipment to put those resistors on. It takes about 5 seconds--with the right tools.

[@Nate_the_Nobody]

If there's one consistent through out LTT videos, and there are a lot, it's that seasonic is definitely recommended.

[@petervernia5074]

FYI, Weller sells tweezer irons for these types of SMD resistors. They heat both ends of the resistor at once, and keep it from sliding around.

[@phlooke]

Now that sounds like something I should have bought or invented 10 years ago, I must have one

[@Spritetm]

Those are not super powerful though... probably wouldn't have worked to heat the solder up enough with that huge GPU ground plane wicking away all the energy.

[@derekcheyne7066]

Also were they in “A” or American mode or C? Im curious if there temp wasn’t actually the temp they thought. Or someone fiddled with it and accidentally reset their calibration curve. Ive seen that in more than one lab before before and you had to reset it to factory settings on those hakkos.

[@tiegert1]

These are garbage, the best solution is to use a heatgun to warm up the board and then use two soldering irons so you can connect both ends at once.

[@Robertkopp84]

2 times 40 watts are maybe enough to get some wieners hot. And you can get the big jbc with 2 irons for the price of a micro tweezers set.

[@stellisch]

LTT: ”Hardcore overclocking is very easy” Me who brunt down my GPU and CPU in 3 minutes: Yes indeed! Im pretty much an expert myself!

[@matyo_]

ahh yes

[@stellisch]

Now i look dumb because they changed the title of the video

[@stellisch]

Also, that's some nice sparkles

[@matyo_]

@@stellisch no they still said overclocking is very simple

[@stellisch]

@@matyo_ Shit! Now i look even dumber

[@Paxmax]

Amazing all parts and everybody made it thru alive 😂 I gotta say I was worried the entire video! 🙂 Good show guys (n gals? 🤔😀)

[@autumn-876]

I love these videos, please let alex make more

[@kajin807]

Alex + overclocking = this is gonna be an amazing video

[@ioogy]

It bugs me so much that they're using a huge flat soldering iron tip for this... and FAT solder wire. Come on guys, i know yall have the budget for a good Weller and some .020 wire!

[@Rexwizord]

it is what it is. more money than sense

[@agenericaccount3935]

Calm down

[@ioogy]

@@agenericaccount3935 I really do 🤣. I've just built many an industrial control box using the right equipment... and it's one of those things that i notice on a lot of youtuber vids lol.

[@LinusTechTips]

We did use thinner wire for the final job, helped quite a bit. Also before this video we were already in the process of getting better soldering irons.. now that process is being expediated haha -AC

[@oliverbevan2575]

@@LinusTechTips even just a thinner tip on the Hakko would’ve made a massive difference

[@ForcefighterX2]

The best honest power supply ad ever! Go Seasonic!

[@kasperschmidt5665]

Good content, good video Alex 👍

[@AtaGunZ]

Your solder was spiking meaning you didn't have enough flux. The hakko 888d is totally capable of doing a shunt mod, but melting solder without enough flux is harder.

[@alexeidmitriev6235]

This was painful, beautiful, and I want more of this mad lad level stuff.

[@TurtleWaxed]

Proper solder rework equipment is soo much needed for this sort of thing. They are totally winging it. Good luck guys! (ur gonna need it!) Plumbing skills would be a plus, wow at least put in a return pump to keep the coolant in the loop hahahahah

[@XimGama]

Loved watching the leak reaction. Thank you for this, made my day guys. Keep up the good stuff 👍

[@TheTiagones]

Every time I see Alex I know something sketchy is going to happen. But I didn't expect this much sketchy stuff in sequence

[@JorgeAlarconL]

I'm sure you could have had higher scores with the mods just using commercial waterblocks and active backplate with the chiller. 🤔 This needs a part 2!

[@esoel]

yeah, the amount of jank they introduce in these projects by building their own coolers and thinking it won't affect anything is baffling...

[@FateOfNines]

This entire video has given me more anxiety than listening to those stories about cave divers getting trapped in underwater caves in the complete dark. Thanks.

[@Bryan-fc9dv]

So with the Hakko, people often mistakenly change the calibration temperature rather than actually changing the tip temperature. There is a way to reset it back to factory default. But the usually scenario is a user is trying to increase the temp and they end up setting it to max and it seems to be actually colder or poor performance.

[@JangoHobbes]

in the late 90's early 2k's there was a company called Cryocases that made crazy refrigerated cases for overclocking and stuff. It would be interesting to see how those cases handled stuff like this.

[@macking104]

look at Linus' "Air Conditioner makes PC go Brrr" video

[@JohnDanielTrask1]

I remember those. Advertised in all the pc mags I could afford to buy back then.

[@JangoHobbes]

@@macking104 yep I saw that one.

[@JangoHobbes]

@@JohnDanielTrask1 same. I remember being a tech sitting at my desk at the office looking in awe of the gear running. They were crazy expensive. That company went out of business a long time ago I believe.

[@Derragon]

Honestly a heat gun works quite well for this - if you are able to set it to a lower speed and use a finer nozzle you can replace SMD components quite a bit easier (and safer) than using a toaster. I think you could do it with the Hakko (I have the exact same unit myself) with a high thermal mass tip. The one you guys were using looks pretty light for that sort of PCB. You can also try pre-heating the board to assist the soldering iron in the future (so you're not bringing the whole thing up to temps that can damage components).

[@hernerweisenberg7052]

I also had good results with those plier type soldering tips that grab the component from both sides, put a drop of solder on each end to use it for thermal mass and just place it ontop- done.

[@ericmartinez5633]

we need more videos of alex and his team doing this shit. these are the entertaining videos.

[@tannimoyana2643]

"Live Laugh Liao" - I want that shirt haha

[@Nickeloff]

I like this crazy duo, it's just as good as Anthony giving us the benchmarks on new GPUs and nerding about Linux.

[@greefordpardo]

10:38 Forbidden cream cheese

[@TomGrube]

I like it so much that it got so much more nerdy over the last 2 years... :D

[@saintsfaithdesign]

@1:19 reason for this video @2:17 so much icing. @5:18 how it's really done. @6:32 why it's tough. @7:03 Cool shirt bro. @8:15 Back to the solution. @9:08 possibly a dingo. @11:50 Tech based labour. @14:29 disclaimer.