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OCZ RevoDrive 350 480GB PCIe SSD Review - PCMark 8 Consistency Test

OCZ RevoDrive 350 480GB PCIe SSD Review
OCZ's move to all Toshiba flash has brought us a new Vector, Vertex and today, a new RevoDrive. Read on as Chris gives us the details on this new PCIe SSD. (TYO:6502)
| PCIe in Storage | Posted: Apr 24, 2014 4:53 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.

 

Storage Bandwidth

 

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

 

TweakTown image content/6/2/6278_64_ocz_revodrive_350_480gb_pcie_ssd_review.png

 

In this set of tests, we take the drives down to a worst case scenario for consumer performance and let the drives recover through a mixed idle and load sessions. Here, the RevoDrive 350 shows how well it performs after intense use. The drive only drops to 150 MB/s. All of the other drives on this chart are PCIe based, either with RAID, or in the case of the Plextor M6e, in an M.2 form factor. The orange and red bars show performance during and after recovery as the drive's internal garbage collection starts to clean blocks.

 

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 and finally recovery performance.

 

TweakTown image content/6/2/6278_65_ocz_revodrive_350_480gb_pcie_ssd_review.png

 

Here we see the progression from the drives in a degraded state to the final recovery. This test shows the average throughput from the many consumer tests in each run.

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