An anonymous reader writes "Western Digital today announced the availability of a new line of serial ATA drives that are supposed to use 4 to 5 watts less than other competitive drives from Hitachi GST, Fujitsu and Seagate. The new "GreenPower" line comes in 500GB, 750GB and 1TB capacities. Western Digital says it achieves better power performance by balancing the platter's spin speed in order to make it more efficient, by optimizing seek speeds and by parking the read heads when the disk is idle, according to a Computerworld story."
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