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Product review: four 750 GB to 1 Terabyte SATA HDDs
by Marc Prieur
Published on October 1er, 2007

Performances – An index of application performances
We now move on to less synthetic tests, starting with a performance index comprised of results obtained in « XP Startup », « Application Loading » and « General Usage » profiles from PC Mark 2005. This involves the recording activities of an HDD during start up of Windows XP (90% reading, 10% writing), the launching of various applications (83% reading, 17% writing) and normal PC use (60% reading, 40% writing). The weight in the index of each of these profiles is 1/6, 1/3, and 1/2, respectively.

Already in the lead for this test with its 500 GB drives, Hitachi reinforces its lead even more with new performance gains with its 750 GB and 1 TB models. On the other hand, for Western Digital and Seagate performances remain unchanged and they are even slightly lower for Western. This is difficult to explain if not for less developed firmware because the drive is more recent. As for the impact of acoustic management, it’s rather minimal.

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