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By | Chris Mellor 20th April 2016 13:46

WD rust-proofs spinners with Gold offering

Data centre nearline disk drive brand emerges with some HGST tech

WD has set up a new data centre nearline disk drive brand, Gold, with three drive capacities matching and topping the Re brand’s capacities.

The spinning rust folk have released 4, 6 and 8TB, 3.5-inch Gold drives with a mix of technologies.

The 8TB Gold drive is a helium-filled drive for example, while other two are air-filled, suggesting that HGST tech has been used and that the Gold line represents one of the first WD-HGST technology integration exercises.

WD is not revealing the areal densities of the new drives nor the platter counts. It does tell us the drives have a 128MB cache, 6Gbit/s SATA interface, spin at 7,200rpm and support 550TB of drive writes/year over their five year warranty period. The 8TB one has a 2.5 million hour MTBF rating, while the others don't – confirming that this is not a unified range in the technology sense.

It tells us the new drives have:

  • Up to 15 per cent more power efficiency that the 4TB and 6TB Re drives
  • Up to 18 per cent sequential performance improvement over the Re 4TB
  • Up to 30 per cent improvement in random write performance Re 6TB disks with write data caching
WDC_8TB_Gold_HDD

WDC says these are next-generation drives, which could imply an areal density increase. The 4TB Re is, we think, a 4 x 1TB platter drive, with the 6TB re being a 5 x 1.2TB platter design. HGST's 8TB Ultrastar helium-filled drive has seven 1.142TB platters (664Gbit/in2) and we'd assume the 8TB Gold copies this design.

There is a 24/7 premium support line for WD Gold customers. which can be reached at (855) 559-3733; International: +80055593733.

Anandtech, not WD, tells us that the 4TB Gold drive costs $309, the 6TB one $499, and the 8TB unit $629. ®

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