Plextor M9Pe Series 256Gb SSD technical review

Posted on November 07, 2022 by Raymond Chen

Plextor's M9Pe Series NVMe SSD works on PCIe M.2 or PCIe 3.0 x 4. Detailed characteristics of this NVMe SSD in our article.

Plextor M9Pe Series 256Gb SSD technical review

Plextor's 256Gb M9Pe Series SSD use Marvell 88SS1093 controller. The M9Pe Series comes equipped with Toshiba TLC flash memory. Plextor M9Pe Series also available in 1 Tb and 512 Gb capacities.

Performance and benchmarks

This NVMe works on PCIe M.2 or PCIe 3.0 x 4 computer expansion bus standard with maximum read speeds 3200 MB/s, and write speeds equals to 2100 MB/s. It also has input/output performance 400000 on reading and 300000 on writing operations per second.

Endurance and warranty

Manufacturer give 5-year warranty that limited by 160 Total Bytes Written. As well it has 1.5 million hours MTBF.


Category Value
Capacity 256 Gb
Interface M.2 or PCIe 3.0 x 4
Controller Marvell 88SS1093
Memory type Toshiba TLC
DRAM n/a
Read speed (Mb/s) 3200
Write speed (Mb/s) 2100
Read IOPS 400000
Write IOPS 300000
Endurance (TBW) 160
MTBF (million hours) 1.5
Warranty (years) 5


Plextor M9Pe Series 256Gb use PCIe 3 that is significantly slower than PCIe Gen4. The maximum write speed is 2100 Mbps, that is okay for this interface. The NVMe provide possibility to write 160 TBW, that is not much compared to nearest competitors. When everything is weighed in the balance, Plextor M9Pe Series 256Gb has more minuses and our site strongly do not recommend to have it.

+ Pros

  • Good writing speed

- Cons

  • PCIe 3.0
  • Capacity
  • Writing speed

Buy this or similar SSD:

Video Review

✅Plextor M9PeG M.2 2280 NVMe 256GB SSD - 2018 Review


The M9Pe Series 256Gb has no dynamic random-access memory (DRAM) or information about it is unknown. Dynamic Random-Access Memory in their controller help to increase endurance and IOPS.

The Plextor M9Pe Series due to the low density of memory chips can last with no further heat sinks. Some motherboards or laptops from the factory has thermal pads above and below the storage to improve productivity during times of high loads.

The Plextor M9Pe Series has write speed 2100 Mbps, read speed 3200 Mb per second. It works on Marvell 88SS1093 controller and M.2 or PCIe 3.0 x 4 high-speed serial computer expansion bus standard. The NAND flash memory type is Toshiba TLC.
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