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SayWatt
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Post subject: Energy-Saving "Green" Hard Drives Compaired and Re
 Posted: Jun 04, 2008 - 03:21 CST
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Joined: Apr 18, 2005
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Thanks to having kept the 7,200 RPM spindle speed, Hitachi offers superior transfer rates across all benchmarks, and overall decent desktop performance. However, access times and I/O performance cannot compete with other 7,200 RPM drives, as Hitachi slowed down actuator movements in order to save energy. This is why the P7K500 requires even less maximum power than the 750 GB and 1000 GB WD Caviar GP drives.
WD reduced the spindle speed from 7,200 RPM to somewhere in between this speed and 5,400 RPM, which results in a new record in power consumption: 3.1 W idle power for the 500 GB model and 3.6 W for the 750 GB Caviar GP are excellent results. Should you be looking for one or even several efficient storage hard drives, the Caviar GPs will be the best choice. Hitachi, however, is the better choice if you also want to use the energy-efficient hard drive to hold your operating system.
Entire article:
http://www.tomshardware.com/reviews/ene ... ,1944.html |
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