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ASRock Ultra Quad M.2 Card 16-lane AIC Review (Page 10)

By Jon Coulter from Mar 7, 2018 @ 6:00 CST
TweakTown Rating: 96%Manufacturer: ASRock



With ATTO running at QD10, we hit an impressive max of 11.4GB/s sequential read and 5.9GB/s sequential write.

Anvil Storage Utilities


Running Anvil's produces, a less than impressive total score of 18,284.41. Here we begin to see that AMD Direct to CPU RAID offers nothing but sequential performance. That's all there is. Random performance, which is far more important than sequential for a system disk, is less than that of one SSD. Very disappointing.



With CrystalDiskMark, we hit 8.6 GB/s sequential read at Q32T1 and 5.7GB/s sequential write with the same setting. Again, we see that other than 4K QD1 random write, all other random performance is garbage. This is not a bad reflection on the Ultra Quad M.2 Card or ASRock in anyway, this is just proof positive of AMD's incompetence when it comes to RAID of any flavor. Remember seeing 27GB/s sequential read from Threadripper with dual quad cards on YouTube? Everybody is wowed, but what they failed to mention is that while they can hit 27GB/s sequential read, that same array delivers real-world performance that is less than that of one NVMe SSD running on Windows 10 crappy in-box NVMe driver. Maybe random performance could be better if you could pick your stripe size in RAIDXpert, but of course, you cannot.



Running AS SSD benchmark produces a very unimpressive total score of 3,394. We hit 8.4GB/s sequential read and 4GB/s sequential write, but who cares when random performance is this bad.

Now let's move on and see what running our Direct to CPU RAIDXpert array as a secondary volume produces. The results should be better in most cases without the overhead of an OS installed on the array.

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