Western Digital Caviar Green

The Caviar Green Drive ($100-$139) has 40 percent reduced power consumption compared to other desktop drives. This allows the drive to be 4-5 watts more efficient than standard desktop drives. Although 4-5 watts does not sound like much, over a year of use it reduces C02 emissions that would be produced making that power by 13.8 kilograms per year. That is the same amount of emissions that would be saved if someone did not use there car 3 days every year. If you expand this over huge corporations with hundreds of thousands of computers you can see what a difference this can make to our environment. The drives also produce less heat and noise making them perfect for external drives because they do not need a fan. Not having a fan in an external drive can save $14.00 per year in electricity costs.

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