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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

 

sandisk_ultra_ii_480gb_ssd_review_61

 

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

 

sandisk_ultra_ii_480gb_ssd_review_62

 

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

 

sandisk_ultra_ii_480gb_ssd_review_63

 

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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