WD VelociRaptor 600GB: Fastest Hard Drive Ever

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HD Tach Testing

Simpli Software's HD Tach is described on the company's web site as such: "HD Tach is a low level hardware benchmark for random access read/write storage devices such as hard drives, removable drives, flash devices, and RAID arrays. HD Tach uses custom device drivers and other low level Windows interfaces to bypass as many layers of software as possible and get as close to the physical performance of the device being tested."

HD Tach v3

WD VelociRaptor 600GB 6G

Seagate Barracuda XT 6G


WD VelociRaptor 600GB 6G

Seagate Barracuda XT 3G


Western Digital RE4

Seagate Barracuda 7200.11

According to the HD Tach benchmark, the new WD VelociRaptor 600GB drive is significantly faster (about 25% give or take) than any of the other drives tested here, and its access times were roughly half that of the 7200 RPM offerings.

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