Being one of the few remaining mechanical components of the computer system, the hard disk drive is also one of the major power consumers. A spinning hard disk platter effectively turns power into heat, working contrary to user expectation. Not surprisingly, most hard disk drive manufacturers have implemented a number of power saving features, reducing the impact of disk drives on one’s electric bill. But one power saving feature from Western Digital has come under increasing fire: the Intellipark system found in their Caviar Green hard disk drives is a serious liability when used in many “always-on” scenarios.
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