HDtach is a great test of a systems hard drive throughput, its widely used in the hardware community as an accurate bench.

I wasnt expecting miracle from a dual 4,200rpm raid setup, however the results are decent even if the access is sluggish around 20ms, of particular note is the excellent 1% cpu usage, a good showing from the promise controller. In real world use I found this system more than capable of anything I threw at it with even a large paging file in Photoshop performing well.

 

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