MIG-31

When Western Digital introduced its GreenPower line with the terabyte Caviar GP last year, we wished aloud that the drive's new 250GB platters would make their way into a performance-oriented model. The GP wasn't even particularly slow—in fact, it was the fastest terabyte drive at the time. But by dialing back the GreenPower's spindle speed to close to 5,400RPM in a bid to improve energy efficiency, WD effectively left some performance on the table. We've been waiting to get that performance back ever since.
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Review: Tech Report

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