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Silicon Motion SM2256 with Toshiba TLC A19 Flash SSD - Exclusive Tests

By: Chris Ramseyer | SSDs in Storage | Posted: Aug 9, 2014 4:50 pm

Desktop Test System




Our test took place at our suite at Flash Memory Summit in Santa Clara, California.


We used Jon Coulter's RAID 0 Test System 2 for the test, so the tests are not compatible with our normal results from an ASUS Z87 ROG Extreme VI that resides back in our lab.



ATTO - Baseline Performance


Version and / or Patch Used: 2.34




Using ATTO at a queue depth of 4, we see that sequential read performance on our SM2256 R&D drive is over 560 MB/s. This is a bit higher than SMI's quoted 524 MB/s, but we suspect our test system is also a bit faster by way of optimizations and clock speeds.


SMI quoted sequential write speed at 400 MB/s and that's in line with what we achieved in this test, but the company could get away with claiming an additional 10 to 15 MB/s we feel.

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