VelociRaptors In RAID 5, A Case Study In Speed @ HotHardware.com

news · June 27, 2008

Hello,

If you're the type who thinks of 2.5" drive technology only in terms of

notebook products, then recently, Western Digital probably helped expand

your horizons a bit. With the release of their VelociRaptor 300GB SATA hard

drive, mainstream users were exposed to the advantages of the high transfer

rates associated with 2.5" platters rotating at 10K RPM, with four access

heads pulling data. Though packed in a 3.5" form-factor for desktop system

compatibility, the 2.5", dual 150GB platter platform that the VelociRaptor

was built on allows it to outperform virtually all standard 3.5" SATA drives

on the market today, even WD's 10K RPM Raptor WD1500 series.

However, the VelociRaptor is definitely targeted to the performance

enthusiast, with a price tag currently at $1/GB (MSRP $299). Regardless,

when you consider the upside potential performance gains and the fact that a

hard drive is easily the slowest component and limiting factor in many areas

of overall system responsiveness, it's obvious this new Raptor will do well

from a retail perspective. But what about the Data Center?

It was with these questions in mind that we decided to RAID up not two but

three WD VelociRaptor drives in a RAID 5 configuration with an Areca PCIe X8

hardware RAID card, to see what the numbers looked like. Head on over to

the site and take a look...

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