Hitachi Global Storage Technologies has rolled out its second-generation terabyte hard drive (HDD), which it claimed to be the most energy efficient 7200rpm 1TB HDD. The 3.5" Deskstar 7K1000.B consumes 43 per cent less power than its predecessor, Hitachi said. That's in part because it uses three platters, each holding up to up to 375 GB of data, rather than five, cutting the number of read/write heads from ten to six. Part of the energy-efficiency also comes from the fact that 3Gb/s SATA (SATA II) drives also use power management techniques developed for mobile hard drives.
Source: Techpowerup
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