WD Black 4TB HDD
Our review sample of the WD Black was delivered in its bare drive form. At the top, we note the capacity at 4TB with 64MB cache. Another thing to note is the nickel finish on the drive itself.
The backside of the drive houses a green PCB with several torx screws holding it in place.
Removing the PCB, we find a foam layer protecting the drive and PCB.
A closer look at the PCB reveals the Marvell 88i9346 controller, next to 64MB of DRAM cache. At the top of the drive, we have the STMicro spindle controller.
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