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HighPoint RocketRAID 2640X4
Testing
4x Fujitsu 15k SAS
After formatting, the four Fujitsu 15k SAS drive RAID5 array is 205 GB.
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CrystalDiskmark shows that configuring these disks in a RAID5 array doesn't touch the sequential read and write performance one bit. Compare the top two numbers to those on the previous page to see what I mean. Notice how the (previously very high) random access speeds take a hit due to the how the RAID5 array works. They drop to only about 10% of what they were. RAID5 is good for storage and data security but bad for gaming :)
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In the DataMarck test, the RAID5 configuration didn't touch the mean seek time which remains a blazingly fast 4.4ms. Remember that when selecting storage technology for gaming, seek time is one of the most important factors. More on this later!
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HD Tune once again points out how consistent this configuration is when it comes to read speeds. The array checks in at just under 30MB/s slower than the RAID0 configuration. Still, 130MB/s is nothing to scoff at! Notice how the seek time is still very low here (6.9ms).
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During the Sandra read test, with the array configured in a RAID5, the read performance isn't quite what it was before, dropping from the amazing 170MB/s to a meagre 130MB/s. However, the array is still blowing away the competition. Look at how flat that red line is; the performance on this thing is rock solid!
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In the Sandra write test we see a decline in the write performance as compared to the RAID0 configuration, but you can see that it is still hands down the best of the bunch.
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