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OCZ Vector 180 960GB SSD Review

By: Chris Ramseyer | SSDs in Storage | Posted: Mar 24, 2015 9:08 pm
TweakTown Rating: 93%Manufacturer: OCZ Storage Solutions

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.

 

PCMark 8's Consistency test provides a ton of data output that we use to judge a drive's performance. Here we see the three states of performance for the select SSDs, light use, consumer steady state and worst case.

 

Storage Bandwidth - All Tests

 

ocz-vector-180-960gb-ssd-review_64

 

The Vector 180 960GB compares really well against other drives in the PCMark 8 Extended Storage Tests. The previous Vertex and Vector products were down around where we measured the Neutron XT at, but OCZ has improved performance quite a bit.

 

Storage Bandwidth - Heavy Load

 

ocz-vector-180-960gb-ssd-review_65

 

The heavy workload environment puts OCZ in the top three in throughput. It's not like previous Vector products were slow by any means, but Vector 180 is much faster. We think this is a result of the push in mixed workload performance and we are seeing that carry over.

 

 

Storage Bandwidth - Typical Consumer Load

 

ocz-vector-180-960gb-ssd-review_66

 

In the client workload tests, we see the Vector 180 slip back to fifth. The SLC cache in the Crucial M550 and Samsung 850 EVO give those products a performance boost when the cache is effective.

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