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Plextor M6e Black Edition 256GB PCIe SSD Review

By: Chris Ramseyer | PCIe in Storage | Posted: Feb 6, 2015 3:06 pm
TweakTown Rating: 93%Manufacturer: Plextor

HD Tune Pro - Sequential Performance


Version and / or Patch Used: 5.50




In this set of tests, we run 64KB sequential data across the entire LBA range of the drive. Both M6e Black Edition products rate at 770 MB/s sequential performance, but as you can see, there is a small difference depending on what block size you measure at.




The sequential write performance shows nearly identical performance between the two Black Edition drives, but at the bottom, we see the original M6e is actually faster. The sequential reads are also faster on the M6e thanks to the older firmware allowing the drive to work with sequential data faster. This is a tradeoff Plextor made to increase random write performance.



HD Tach - Sequential Write Performance after Random Writes


Version and / or Patch Used:




After writing to the M6e Black Edition twice with sequential data, and then peppering the drive with a reasonable number of random writes, we tested with HD Tach. The software here tests with 128KB blocks to measure sequential performance. The 256GB Black Edition did well in this test, but there were two deep dips in write performance. The second large dip fell to around 25 MB/s.

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