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Plextor M6V 256GB SATA III SSD Review

By: Jon Coulter | SSDs in Storage | Posted: Nov 5, 2015 5:47 pm
TweakTown Rating: 88%Manufacturer: Plextor

Moderate Workload Model

 

We categorize these tests as indicative of a moderate workload environment.

 

PCMark Vantage - Hard Disk Tests

 

Version and / or Patch Used: 1.2.0.0

 

The reason we like PCMark Vantage is because the recorded traces are played back without system stops. What we see is the raw performance of the drive. This allows us to see a marked difference between scoring that other trace-based benchmarks do not exhibit. An example of a marked difference in scoring on the same drive would be empty vs. filled vs. steady state.

 

We run Vantage three ways. The first run is with the OS drive 75% full to simulate a lightly used OS volume filled with data to an amount we feel is common for most users. The second run is with the OS volume written into a "Steady State" utilizing SNIA's guidelines. Steady state testing simulates a drives performance similar to that of a drive that been subjected to consumer workloads for extensive amounts of time. The third run is a Vantage HDD test with the test drive attached as an empty, lightly used secondary device.

 

OS Volume 75% Full - Lightly Used

 

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OS Volume 75% Full - Steady State

 

plextor-m6v-256gb-sata-iii-ssd-review_29

 

 

Secondary Volume Empty - FOB

 

plextor-m6v-256gb-sata-iii-ssd-review_30

 

There's a big difference between an empty drive, one that's 75% full/used, and one that's in a steady state.

 

plextor-m6v-256gb-sata-iii-ssd-review_31

 

The important scores to pay attention to are "OS Volume Steady State" and "OS Volume 75% full." These two categories are most important because they are indicative of typical of consumer user states. When a drive is in a steady state, it means garbage collection is running at the same time it's reading/writing. This is exactly why we focus on steady state performance.

 

At 75% full and lightly used, the M6V delivers the best score of our test pool. Empty secondary scoring is almost meaningless, so let's focus on steady state performance. The ADATA SX930 with its binned flash and PSLC caching layer delivers slightly better steady state performance, but the M6V outperforms the other SM2246EN powered SSDs.

 

 

PCMark 7 - System Storage

 

Version and / or Patch Used: 1.4.0

 

We will look to Raw System Storage scoring for evaluation because it's done without system stops and, therefore, allows us to see significant scoring differences between drives.

 

OS Volume 75% Full - Lightly Used

 

plextor-m6v-256gb-sata-iii-ssd-review_32

 

plextor-m6v-256gb-sata-iii-ssd-review_33

 

Another win for the M6V. It outperforms the rest of the test pool delivering an excellent score of 6,799.

 

 

PCMark 8 - Storage Bandwidth

 

Version and / or Patch Used: 2.4.304

 

We use PCMark 8 Storage benchmark to test the performance of SSDs, HDDs, and hybrid drives with traces recorded from Adobe Creative Suite, Microsoft Office, and a selection of popular games. You can test the system drive or any other recognized storage device, including local external drives. Unlike synthetic storage tests, the PCMark 8 Storage benchmark highlights real-world performance differences between storage devices.

 

OS Volume 75% Full - Lightly Used

 

plextor-m6v-256gb-sata-iii-ssd-review_34

 

plextor-m6v-256gb-sata-iii-ssd-review_35

 

PCMark 8 is the most intensive moderate workload simulation we run. With regard to moderate workloads, this test is what we consider the best indicator of a drives performance. Another win for the M6V. Despite its capacity handicap and lower sequential write performance, the M6V delivers better performance than the competition.

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