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SanDisk Ultra II 480GB SSD Review

By: Chris Ramseyer | SSDs in Storage | Posted: Oct 30, 2014 1:37 pm
TweakTown Rating: 92%Manufacturer: SanDisk

Sequential Mixed Read / Write Workloads


In this series of tests, we measure mixed workload performance. We start with 100% read, and then add data writes to the mix in 10% increments until we get to 100% writes. We believe this will be the next major area SSD manufacturers will address after performance consistency.


Sequential Mixed Workload Bandwidth




Our heavy use sequential mixed workload test has been brutal on consumer SSDs, but the Ultra II takes this to a new level. This test gets into steady state before measuring mixed read and write levels.



Sequential 80% Read / 20% Write Bandwidth




Using the 80% read / 20% write as a marker for typical consumer loads, the Ultra II delivers 140 MB/s, the lowest result in this set of tests.



Random Mixed Workload Response Time




In this test, we mix random reads and writes, but scale by queue depth. The Ultra II 480GB does very well here, even better than the flagship Extreme PRO.

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