WD ships full-speed 2TB hard drives
updated 08:40 am EDT, Tue September 1, 2009
WD Caviar Black 2TB
Western Digital this morning at last unveiled its first 2TB hard drives intended for performance. The 2TB Caviar Black and the business-oriented RE4 spin at a full 7,200RPM but also have features rarely seen even at this end of hard disk technology: both have 64MB of cache, dual processors and dual actuators to move the drive head into position faster. It's hoped the extra features offset the potential slowdown from having to seek across four 500GB platters.
Either plugs into an SATA I or II interface, but the RE4 is tested against constant access and supports extra features like native command queuing and an anti-shock sensor. The Caviar Black is already shipping and retails for $299, while the RE4 is so far only expected to be built into ready-made workstations and servers, and should still be in testing.
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