Hitachi is still evolving its hard drives of 1 TB. In 2007, the 7 K 1000 was the first hard disk of 1 TB, with a design to five trays (200 GB each, therefore). Then, the 7 K 1000 has evolved to version.(B) and its three 333 GB platters then towards a model.C with only two 500 GB platters. And the company, recently acquired by Western Digital, now offers a version.(D) the disk hard in question, with a single shelf of 1 TB.
Should gain in throughput (227 announced MB/s), consumer (announced 15% gain) and noise are expected to decrease. With such trays, Hitachi GST could even offer hard drives of 4 or 5 To quite easily. For capacity, if 1 TB is the maximum, 250 versions, 320, 500 and 750 GB are planned, with a portion of the plateau which will not be used and a necessarily mean flow a little more high, even if the maximum flow does not move.
The company offers also 5 K 1000.(B), a hard disk with the same 1 To plateau, the successor to the 5 K 1000 classic and two trays of 500 GB. He uses for his 23% energy in less than the 7 K 1000.(D) through its rotational speed of 5400 RPM instead of 7 200 rpm. Flows vary too much, with maximum of 180 MB/s on the 5 K 1000.(B), which is very correct.
The 7 K 1000.D and the 5 K 1000.(B) will be proposed in interface SATA 6 GB/s (maximum 600 MB/S), will offer 32 MB cache and will work with sectors of 4 KB instead of the traditional sectors of 512 bytes, even if an internal emulation is provided.
Finally, note that these disks Cinemastar variants are expected at the same time as versions Desktar, in the fall.
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