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

Do you need an immense storage space for your vacation videos? Aided by the increase in platter density, there are now hard drives that can attain 750 GB and even 1 TB. It was Seagate that was the first to launch a 750 GB hard drive in April 2006, the 7200.10, which is still on the market. Hitachi was the first to attain the TB in January 2007, however, this drive was really only available this summer.
First, the crude approach
To attain such a capacity on its 7K1000, Hitachi used a rather crude method, like it did with the 7K500, which two years before was the first drive to attain 500 GB. Instead of increasing density, Hitachi is the only one to offer a product equipped with five platters each with 200 GB. A 750 GB version of the 7K1000 is also offered equipped with four platters.

For the competition, Seagate is currently at 750 GB with its aging 7200.10, and since summer Western has offered a 750 GB drive at the head of its Caviar SE16 line. For all of these, four platters are used for 750 GB versions. The buffer size is 32 MB for Hitachi versus 16 MB for Seagate and Western.

At the end of this year, we should see the arrival of TB drives with simpler designs than the Hitachi model. More specifically, Seagate will propose four platters in its 7200.11, while Samsung will go even further with only three! Beyond the initial excitement of these product announcements, there is no precise information on the exact dates of the availability of these models.

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