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Plextor M6e Black Edition 512GB PCIe SSD Review

By: Chris Ramseyer | PCIe in Storage | Posted: Jan 30, 2015 9:07 pm
TweakTown Rating: 93%Manufacturer: Plextor

HD Tune Pro - Sequential Performance

 

Version and / or Patch Used: 5.50

 

plextor-m6e-black-edition-512gb-pcie-ssd-review_52

 

There are just a few native PCIe M.2 based SSDs on the market today. These include the Plextor M6e / M6e Black Edition, and the Samsung XP941 (an OEM drive that enterprising e-tailers like RamCity in Australia managed to sell). Samsung has a successor to the XP941 that will be in our hands in a couple of days, and Plextor, along with several other Marvell customers, will have a PCIe four-lane controller named Altaplus soon as well.

 

We have a handful of drives in the charts today that are currently available. The M6e was tested with earlier firmware, but can be updated to the same firmware found on the Black Edition. From what we can tell, in this test with a single worker (QD1) and 64KB block sizes, the older firmware is faster than the shipping firmware on the Black Edition.

 

plextor-m6e-black-edition-512gb-pcie-ssd-review_53

 

We noticed the same thing with the performance between the two Plextor drives in the sequential write test. On paper, the 512GB Black Edition should be faster than the 256GB standard M6e in nearly every test, but in this corner case with the older firmware, the original drive is faster.

 

 

HD Tach - Sequential Write Performance after Random Writes

 

Version and / or Patch Used: 3.0.4.0

 

plextor-m6e-black-edition-512gb-pcie-ssd-review_54

 

After a reasonable number of sequential and random writes to turn on wear leveling, we tested the Plextor M6e Black Edition 512GB in HD Tach to measure 128KB sequential reads and writes. The M6e Black Edition managed to keep the sequential writes at high speeds throughout the test. We did observe two spikes in data flow, and one went down to as low as 250 MB/s.

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