Western Digital WD140EFFX

The Western Digital WD140EFGX is a 7200 rpm hard disk for NAS users.

  • Available in capacities ranging from 1-14TB with support for up to 8 bays
  • Supports up to 180 TB/yr workload rate
  • NASware firmware for compatibility
  • Small or medium business NAS systems in a 24×7 environment
  • 3-year limited warranty

The WD Red Plus hard disks are a wide range of products for NAS users. The disks are all conventional perpendicular recording media. Smaller NAS units can use the less costly 5400 rpm models while performance requirement can be met with 7200 rpm disks.

  • Supports up to 180 TB/yr workload rate

Supporting 180TB per year is not as high as server class hard disks but it is sufficient for smaller NAS use. NAS units with 8 bays tend to be less demanding compared to the larger servers. Most of the time the array is in read mode.

The WD Red Plus 4TB disks are good performance media:

  • The WD Red averaged 150 MB/s read and 130 MB/s write (Seq. 5 tests)
  • The WD Green averaged 96 MB/s read and 88 MB/s write (Seq. 5 tests)
  • Two Seagate 4TB drives (5900 RPM) in a Raid 1 averaged 143 MB/s read and 123 MB/s write (Seq. 5 tests)

As the tests show, it outperformed the other drives, but the Seagates were definitely close and cost about 3/4 the price of the Red.

For a media server the low cost model 5400 rpm disks are fine. For a studio handling media editing the 7200 rpm disks are far more suitable.

WD10EFRX5400 rpm64 MB$60
WD20EFZX5400 rpm 128 MB $70
WD20EFRX5400 rpm64 MB$70
WD30EFZX5400 rpm128 MB$85
WD30EFRX5400 rpm64 MB$85
WD40EFZX  5400 rpm128 MB $95
WD40EFRX 5400 rpm64 MB$95
WD60EFZX5400 rpm 128 MB $145
WD60EFRX5400 rpm64 MB$145
WD80EFBX7200 rpm256 MB$250
WD80EFAX5400 rpm256 MB$250
WD101EFBX7200 rpm256 MB$308
WD101EFAX5400 rpm256 MB$308
WD120EFBX7200 rpm256 MB$370
WD140EFGX7200 rpm256 MB$489
WD140EFFX5400 rpm256 MB$489

Street prices have bounced around substantially. WD has managed to keep their Red Plus line in stock as they are very popular with NAS users.

Synology DS1821+

The Synology DS1821+ 8-bay NAS is a common model seen with workgroups. The WD Red Plus lineup of hard disks are well suited for up to 8 disk NAS enclosures.

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