Tom's Hardware > Forum > Storage > Hard Disks > How fast are 15K SCSI's?

How fast are 15K SCSI's?

Forum Storage : Hard Disks - How fast are 15K SCSI's?

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PsychoSaysDie   03-14-2009 at 01:58:40 AM

Compared to say a SATA 7200 32meg drive?

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cjl   03-14-2009 at 02:44:00 AM
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Quite a bit faster. The sequential reads are 1.5-2 times the speed (current best are the Seagate Cheetah 15k.7, at >170 MB/s sequential), and the randoms are easily double as well (access time ~5ms or even a bit less). They are loud however, and you do need a specific SAS controller.

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mamw93   03-16-2009 at 05:35:33 AM
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Faster but not as fast as an SSD by far. I think even the Western Digital VelociRaptor HDD's are as fast. I'm not sure, their 500rpm slower than the Scuzzy drives.

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