Terra-Master D5 Thunderbolt 3 - Great 5 Bay Direct Attached Storage (DAS) for Creative Pros!

Terra-Master D5 Thunderbolt 3 - Great 5 Bay Direct Attached Storage (DAS) for Creative Pros! This is an in depth look and review of Terra-Master D5 Thunderbolt 3 - 5 Bay DAS system. Starting with a quick fundamental of what does this enclosure do, who it is for, how does this differ from a NAS (Network Attached Storage), things to be aware of getting a DAS vs a NAS, workflow needs and considerations, along with the Pros and Cons of this specific DAS. I also tested this DAS with various drives capacity in multiple different configurations to see what may be the optimal configuration to set up this DAS and this is information that can benefit you as well. Find out this and much more in this review.
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Compatible Drives
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[@robertcrain9849]

Great content. I am on the fence between Nas and Das. This answers a lot of my questions. Great job. Thank you!!

[@haimo14228]

Very well made video. It deserves more views!

[@NikCan66]

Always a thoroughly enjoyable video

[@blaspayri]

Thank you for your thorough review. As I am a video/aduio creator working alone at home, I think that the DAS is more efficient than the NAS. Apparently RAID5 is not safe and does not work with a failure, particularly with HD sizes >4TB. In general, redundancy does not seem to be as safe as one would wish, and I have not heard of people recovering data and functioning back when a failure happens. As I have 8x14TB HardDrives, I was considering to have two raids 0 in two different enclosures with 4 drives, and have a simple carbon copy at night from one RAID to the other. If something fails, I would loose the work of the day .... but that is not that important for me. I have heard not so good reviews for Terra Master, being quite noisy and not the most reliable, but you say that the fans are silent. Also there is the limitation in cable length for the thunderbolt 3 cable, as I wanted to put the DAS in a cabinet and I would need a bit more than the limit of 2m cable to be safe. From your test I see that in RAID 0 you reach a 979 MB/s read speed, id est 7,8Gb/s, which would be sufficient for the 20Gb/s capacity of Thunderbolt 3. I need to make a decision because I am not using these drives for a while now and I need large data capacities.

[@cvdavis]

Great review

[@rgarlinyc]

A great and thorough review - as ever - thanks a lot. I have a JBOD as I've gradually created more and more files over the years (essentially photographs but a ton of code and web dev too). I absolutely hate the slow RW speeds this gives me, but until I can upgrade to Thunderbolt 3/4 (and 5 soon!) and make all pf my discs the max 20Tb size, I'm just stuck fast in 'drive molasses'!

[@AlbertPalmer]

Great review - thanks! I have been considering this as Drobo may not work with Ventura.

[@blaspayri]

maybe I miss a part of the video, but I cannot find a description of the Hardware RAID vs Software RAID, and if this RAID system provides the hardware RAID configuration. Answering to myself, the 2-bay configuration has a real hardware RAID, with a switch, and the 5 bay version needs to be configured via a third part. Still I am missing the difference between the hardware-with-help-of-computer, and the software configuration for the RAID

[@a.j.haverkamp4023]

@

[@JeremyLawrence-imajez]

I used software as opposed to hardware RAID due to the problems associated with hardware failure and subsequently not being able to get data off the disks without the specific hardware used to create the RAID. If this device dies can you still get the data off. With WD Duo enclosures for example, even mirrored RAID drives cannot be read in any other enclosure [not even same model WD enclosure IIRC ] or in on computer.

[@UtubeMyAccountName]

You are a great presenter.

[@pdubsweir3]

@ArtisRight You said "if you just want reliability on a spinning hard disk...the best thing to do is HFS+"...so you are saying APFS isn't superior to HFS+ on a DAS when it comes to reliablity? I wished you elaborated on that point with some more detail why. Should I format in APFS or HFS+?

[@kamsingh1699]

Thanks for the review.

[@randomcomentator]

Thanks Art! What I missed in the review - how does it perform with SSDs loded up, how loud are the fans, how hot does it get? What is the maximum capacity of SSD you can put there? Would it work over USB-C in JBOD without the kernel extension? What is the idle power draw with SSDs loded up?

[@evilutionltd]

I have been running a Terramaster D5-330 with an old iMac for a couple of months with no issues.

[@cinemaipswich4636]

If your hard drive survive but your hardware dies, your data is lost. The tech behind this gig will never be repeatable.

[@charleshitt6217]

Thank you for your reviews. I appreciate the balance of detail and practical application. I just bought the D5 T3 after testing a D2 T3 which will become my backup drive. I have 5 x 4TB Seagate SeawolfPro NAS drives in the D5 in RAID 5 and find the performance to be just as you described with cache policy of write back. I initially chose write through as theoretically its a little safer for data protection. In write through the write speed drops to 40MB/s which was very surprising. I expected some penalty but this seems disproportionate. Have you tested with write through and / or any experience between the 2 caching policies? I reached out to TerraMaster support but have not heard back yet as they are in Asia and offline at the moment. TerraMaster support has been pretty good with prior questions on the D2. I also searched TerrraMaster support forum and did not find any similar questions or comments. Thanks again.

[@Juan_TMF]

Thank you for the very informative video! One very basic question I have: is it possible to do a RAID5 with 3 HDDs while leaving the remaining 3 slots for single HDD use?

[@scotttild]

What is best for say an Apple Home sharing for movies and shows. I have always just had an external hard drive but the movies are getting bigger and I always have to have the computer on. Can a NAS connect to Apple Home share without having the computer turned on all the time ?

[@EliasUKMusic]

With these speeds, is there any point in paying 2 or 3 times the price for this Thunderbolt device over USB 3 Gen 2 10Gbps devices?