CCTV Installation- How to Install a Hard Drive in a NVR or DVR？

The following video will demonstrate how to install a hard drive in an NVR or DVR.#cctvinstallation #cctv #nvr #dvr
Firstly, gather a Phillips head screwdriver along with the four screws and two hard drive cables included with your NVR/DVR (note: one of the cables may be inside the case).
Next, remove the case by unscrewing the screws located on the side/back of the NVR.
Connect both the power and SATA cables to the NVR/DVR and the hard drive. One cable is responsible for data transfer, while the other provides power.