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Plextor M9Pe 512GB & 1TB NVMe PCIe SSD Review

By: Jon Coulter | PCIe in Storage | Posted: Jan 2, 2018 2:00 pm
TweakTown Rating: 96%Manufacturer: Plextor



Version and / or Patch Used: 3.0 Technical Preview


CrystalDiskMark is disk benchmark software that allows us to benchmark 4K and 4K queue depths with accuracy. Note: Crystal Disk Mark 3.0 Technical Preview was used for these tests since it offers the ability to measure native command queuing at QD4. When evaluating CDM results, we focus on 4K random performance at QD1 and QD4.








Focusing in on QD1 and QD4 we find the M9Pe smoking the 960 Pro. The 960 EVO manages to slightly edge out the M9Pe in this test, but it is important to note that the 960 EVO can only deliver this kind of low QD random read performance with this particular test. Look at that 512K performance; it is the best we've seen from any flash-based SSD to date.




Random write performance at QD1 and QD4 is above average. We focus on random performance with this test, but we cannot ignore the sequential performance this time because the M9Pe 1TB sets a new lab record in this category.






Version and / or Patch Used: 1.8.5611.39791


AS SSD determines the performance of SSDs. The tool contains four synthetic as well as three practice tests. The synthetic tests are to determine the sequential and random read and write performance of the SSD. We evaluate AS SSD performance in terms of overall score. We are looking for a minimum score of 2,000 when evaluating NVMe SSDs.








AS SSD is a demanding test, and the M9Pe delivers the goods very well. What our chart does not show is the M9Pe delivers much better random read performance at QD1 than Samsung's 960 series.

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