Bought two of these both as alternatives to the on board Gigabyte RAID controllers which were troublesome to install. Tried a Highpoint controller that I never could get to work. These Adaptecs both setup perfectly first time in Win XP Pro, are extremely fast in PCIe 8x slots running two 500G striped Hitachi drives RAID 0. No muss no fuss just performance. Only gripe is first one came with cables and the second did not have them, but was at a lower price. Only other quibble is no RAID 5. Why this is missing is odd as comparable controllers almost all have this feature. But these are great fast controllers and take the hassle out of setup. Just work,-what a concept!
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