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15K RPM SATA

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January 27, 2009 4:09:17 PM

Why are there no 15K RPM SATA hard drives? Does SATA-II not provide enough bandwidth to take advantage of the additional rotational speed? Do you really need to go to SAS in order to fully take advantage of 15K RPM? I would think there would be a market for a higher performance drive faster then the VelociRaptor in the SATA market.

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a b G Storage
January 27, 2009 5:28:45 PM

More likely there aren't enough people willing to pay the price premium, especially when 15krpm drives are hot, noisy, and power hungry.
January 30, 2009 3:26:28 AM

And I believe they cannot hold too much space... all I can see are smaller 15K RPM drives... who is crazy enough to pay US$ 160 for a single 147 GB SCSI drive, while you can spend US$ 130 and get one 7200 RPM drive with 1.5 TB?
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January 30, 2009 12:44:33 PM

Setting aside all consideration about capacity, power consumption, heat production, noise, and price there are many of us users out there whose chief concern is strictly performance at all costs.

I happen to run 2 74gb 10,000RPM drives in my config. I use them in RAID 0 to over come their individual storage limitations. This also increases performance too.
a b G Storage
January 31, 2009 11:00:08 AM

Sidrack Marinho said:
And I believe they cannot hold too much space... all I can see are smaller 15K RPM drives... who is crazy enough to pay US$ 160 for a single 147 GB SCSI drive, while you can spend US$ 130 and get one 7200 RPM drive with 1.5 TB?

Actually, they are surprisingly sizeable, if you are willing to pay the premium.

See this data sheet:
http://www.seagate.com/docs/pdf/marketing/po_cheetah_15...

These are 15k drives available up to 600GB, though I would expect costs for the 600 gig model to be upwards of $500. Each.

If you're willing to pay that, you should be willing to pay for a SAS controller card as well.
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