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

Synthetic performances

We started with cache speed measured in the « Core bench » of h2bench. Seagate’s 7200.10 offers the best result in the area, followed by the Hitachi 7K1000, while the Western comes in last.

This last hard drive largely redeems itself in its sequential speed, which quite simply was a new record in this area with a high of more than 94 MB /s at the beginning of the drive! Even if this speed is later reduced, the Caviar SE16’s advantage lasts until the end of the track. Also, note on the graph that the 750 GB version of the Hitachi 7K1000 shows better performances than the 1 TB version. This is because the platters are used 100% on the latter, while for the 750 GB version they are only used at 93.7%.

For this same reason, the 7K1000 is faster in access time than its 1 TB equivalent. The other models offer very similar performances and the impact of acoustic management, when available, is significant as it varies between 4.7 and 6.5ms.

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