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ADATA Premier Pro SP920 512GB SSD Review

By: Chris Ramseyer | SSDs in Storage | Posted: May 13, 2014 2:00 pm
TweakTown Rating: 90%Manufacturer: ADATA

Futuremark PCMark 8 Extended - Consistency Test

 

Version and / or Patch Used: 2.0.228

 

Heavy Usage Model:

 

FutureMark's PCMark 8 allows us to wear the test drive down to a reasonable consumer steady state and then watch the drive recover on its own through garbage collection. To do that, the drive gets pushed down to steady state with random writes and then idle time between a number of tests allows the drive to recover.

 

Precondition Phase:

1. Write to the drive sequentially through up to the reported capacity with random data.

2. Write the drive through a second time (to take care of overprovisioning).

 

Degradation Phase:

1. Run writes of random size between 8*512 and 2048*512 bytes on random offsets for 10 minutes.

2. Run performance test (one pass only).

3. Repeat 1 and 2 for 8 times, and on each pass increase the duration of random writes by 5 minutes.

 

Steady state Phase:

1. Run writes of random size between 8*512 and 2048*512 bytes on random offsets for 50 minutes.

2. Run performance test (one pass only).

3. Repeat 1 and 2 for 5 times.

 

Recovery Phase:

1. Idle for 5 minutes.

2. Run performance test (one pass only).

3. Repeat 1 and 2 for 5 times.

 

Storage Bandwidth

 

PCMark 8's Consistency test provides a ton of data output that we use to judge a drive's performance.

 

adata_premier_pro_sp920_512gb_ssd_review_60

 

The Crucial M550 512GB really impressed us in this test, and the ADATA SP920's performance is within the margin of error. The red bar, the performance most of us should expect under a light load performance, is the highest of any drive we've tested. When you've worked the drive hard, though, the performance drops off by more than half. The middle ground performance shows the transition.

 

 

Storage Bandwidth All Tests

 

Here we see all of the tests plotted on the same chart. This shows the drive from worst case to steady state and finally recovery performance.

 

adata_premier_pro_sp920_512gb_ssd_review_61

 

It was the best of times it was the worst of times…well, not really. There are other drives that do much worse. The SP920 does go on a wild ride through but ends up at near the top of the chart. It still can't match the SanDisk Extreme II's consistent performance.

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