WD Red Internals
The WD Red comes in both 2.5" and 3.5" form factors; however, there is a reduction in capacity on 2.5" models. The breather port on the bottom of the drive indicates this is a standard air-filled HDD. The 6TB WD Red utilizes five platters with PMR technology.
A foam pad between the case and the PCB helps absorb vibration, and the controller has a thermal pad that sheds heat into the case of the drive. There are angled mounting pads open for accelerometers on the upper right and lower left of the PCB. These pads are empty because the Red uses software-based vibration detection. Advances in NASware 3.0 allow the Red to be placed into eight bay NAS systems. The WD PIKE motor controller is in the middle upper left of the PCB.
The Marvell controller is flanked by a 64MB multi-segmented cache package.
The WD Red features a standard 6Gb/s SATA port that allows use in the majority of one to eight bay NAS systems.
WD Red Specifications
The WD Red Pro features Advanced Format, Streaming Support, SMART Command Transport (SCT) for monitoring, and power management support. All data flushes to the platters in the event of power loss. The Red Pro is available in 1TB to 6TB capacities with the WD10EFRX, WD20EFRX, WD30EFRX, WD40EFRX, WD50EFRX, and WD60EFRX part numbers, respectively.
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- Page 1 [Introduction]
- Page 2 [WD Red Internals and Specifications]
- Page 3 [Test System and Methodology]
- Page 4 [Benchmarks - 4k Random Read/Write]
- Page 5 [Benchmarks - 8k Random Read/Write]
- Page 6 [Benchmarks - 128k Sequential Read/Write]
- Page 7 [Benchmarks - Database/OLTP and File Server]
- Page 8 [Benchmarks - Email Server]
- Page 9 [Final Thoughts]
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