Four SAS 6 Gb/s RAID Controllers, Benchmarked And Reviewed

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We got our hands on four SAS 6 Gb/s RAID controllers from Adaptec, Areca, HighPoint, and LSI and ran them through RAID 0, 5, 6, and 10 workloads to test their mettle. Does your system need eight more ports of connectivity? We can answer that!

Benchmark Results: Data Throughput In RAID 6, 6 Degraded, And 10

RAID 6

As in the RAID 5 metric, the HighPoint RocketRAID 2720SGL exhibits the best sequential throughout in RAID 6, while Areca's ARC-1880i comes in second. It seems that the LSI MegaRAID 9265-8i doesn’t like RAID 6 very much.

RAID 6 Degraded

RAID 10

It's opposite day! LSI's MegaRAID 9265-8i posts sub-par performance in RAID 5 and 6, but pulls out all the stops in RAID 10. The Areca ARC-1880i outclasses the three other controllers during the sequential read benchmark.