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WD Red Pro 4TB Enterprise NAS HDD Review

By: Paul Alcorn | HDDs in IT/Datacenter | Posted: Sep 30, 2014 10:16 pm
TweakTown Rating: 92%Manufacturer: WD

WD Red Pro Internals




The WD Red Pro comes in the typical 3.5" form factor. The previous generation Red also came in a 2.5" variety, but the Pro version does not. The breather port on the bottom of the drive indicates that this is a standard air filled HDD. The WD Red Pro uses five platters with PMR technology.




A large foam covering helps to mitigate vibrational forces between the PCB and the case. Two thermal pads facilitate cooling of the drive motor controller (middle right), and the Marvell controller that manages the drive. Two accelerometers occupy opposing corners of the PCB. These detect rotational and linear vibration so the drive can react and correct head positioning.




The Marvell 88i9346-TFJ2 controls the WD Red Pro and the Samsung 64 MB multi-segmented cache sets above the controller.




The WD Red Pro features a standard 6Gb/s SATA connection.



WD Red Pro Specifications


The WD Red Pro features Streaming Support, SMART Command Transport (SCT) for monitoring, and power management support. All data is flushed to the platters in the event of power loss. The Red Pro is available in 2TB-4TB capacities, with the WD2001SFFX, WD3001FFSX, and WD4001FFSX part numbers.





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