Matthew
Posts: 805
Joined: 1/2/2002 From: United Kingdom Status: offline
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If you use RAID, the performance and size will be limited by the slowest and the smallest. In a non-raid setup, as I understand it, the SATA ports are independent of each other. If you mix fast and slow devices on the same (parallel IDE) cable, they should NOT slow to the speed of the slowest, but if used simultaneously, the occupancy from the slower drive will result in more contention loss than if it was faster - though you always try to avoid simultaneous use of drives on the same cable if throughput is a critical issue.
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