Western Digital 2TB Caviar Green Drive

By Koushik Saha on 3.2.09

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Late last week Western Digital briefed us on their forthcoming release of a new addition to their Caviar Green family of hard drives. No we're not talking some sort of exotic sushi or cracker-bound fish egg here either but rather a new, rather humongous and environmentally more friendly hard drive from WD, that can be considered an "industry first". Today marks the day that standard rotational media breaks the 2TB barrier. Let's spell that out a bit more clearly again here; T-W-O full Terabytes of SATA-based storage on a single, standard 3.5" hard drive. Those of you on the consumer side of the market, hording gigs of music, movies, pictures and other media just got a bunch more breathing room to play with. And those of you in the enterprise space now have a new option to consider with respect to bulk, low-cost, power-efficient storage. Perhaps that rack just got a little smaller or the need to cool it a little less?

Today Western Digital is announcing their WD20EADS drive, otherwise known as the WD Caviar Green 2.0TB. With 32MB ofonboard cache and special power management algorithms that balance spindle speed and transfer rates, the WD Caviar Green 2TB claims a top rung spot on the density-per-square-inch and power-efficiency ladders.

We've had an engineering sample here in house for a few days and have done some preliminary testing on it. We'll be offering a full performance evaluation with the final revision of this new drive in the coming weeks but we have a sneak peek for you here. Let's start with the specifications and then we'll take a closer look at the vital signs.

* Capacity: 2TB (400Gb/sq.in. areal density)
* 32MB cache buffer
* Variable spindle speed
* 3.5-inch form-factor
* 500GB/platter, 4-platter design
* 3Gb/sec SATA with NCQ
* SATA power connector only
* PMR head technology
* RoHS compliant

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