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M5Pro Xtreme

The M5Pro Xtreme is an updated version of Plextor’s M5P series of solid state drives. There are a few differences between these two versions. The M5Pro Xtreme has maximum sequential write speeds of 330 MB/s, 460 MB/s, and 470 MB/s for the 128 GB, 256 GB and 512 GB models respectively while it’s 340, 450 and 450 MB/s for the corresponding capacities of the M5P. The two higher capacities of the M5Pro Xtreme are also 6,000 IOPS higher than their M5P counterpart.

Inside the M5Pro Xtreme is Marvell’s¬†88SS9187 controller. The drive supports TRIM, S.M.A.R.T and NCQ commands. Data encryption is also supported and Plextor allows firmware upgrades. The M5Pro Xtreme comes with 5 years warranty and a Mean Time Between Failure of 2,400,000 hours.


  • Sequential Read: Up to 540 MB/second
  • Sequential Write: Up to 470 MB/second
  • NAND type: MLC
  • Interface: SATA 3 6GBps
  • Controller:¬†Marvell 88SS9187
  • Form Factor: 2.5 inches
  • DRAM Cache: 512 MB (256 for 128 GB model, 768 GB for 512 GB model)
  • Power Consumption (Active): N/A
  • Power Consumption (Idle): 0.25W
  • TRIM support: Yes
  • SMART support: Yes
  • Warranty: 5 years
  • MTBF: 2,400,000 hours

Part Numbers:

  • 128 GB: PX-128M5P
  • 256 GB: PX-256M5P
  • 512 GB: PX-512M3P



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