X-bit Labs has had RAIDs on the brain as well as a lot of 500GB drives lying around, so testing these drives in RAID just makes sense.  With 4 Seagate models, single Hitachi and Samsung models a pair of Western Digital drives and an Areca ARC1220 to handle the RAID arrays.  They chose to test RAID 0, 5 and 10 and since the only part changing is the drive it is easy to see what effect the different drives have on system performance.  Check out the full review.

"In today’s article we are going to compare the performance of RAID arrays of different types built of four HDDs of 8 different models. Among our testing participants will be 3.5-inch HDDs from all four leading hard drives manufacturers, including not only desktop but also special server models."

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