Plextor M9Pe 1TB NVMe SSD Review (2026)
The Plextor M9Pe 1TB is the flagship of Plextor's first 3D NAND NVMe line — 3,200/2,100 MB/s sequential speeds, 1 GB of LPDDR3 DRAM, and 640 TBW endurance in an M.2 2280 package.

Controller & Memory
The M9Pe 1TB uses the Marvell 88SS1093 "Eldora" eight-channel controller alongside Toshiba 64-layer BiCS3 3D TLC NAND and a full 1,024 MB of LPDDR3 DRAM — twice the DRAM of the 256GB and 512GB models. The drive supports NVMe 1.3 over PCIe 3.0 x4 and ships in the standard M.2 2280 form factor.
The 1TB is the top capacity in the M9Pe range, which also includes 256GB and 512GB models. It achieves the full rated speeds of the platform — 3,200 MB/s reads and 2,100 MB/s writes — with 400,000 read IOPS and 300,000 write IOPS. The 640 TBW endurance at 0.3 DWPD is the highest in the line. The M9Pe is also available in the M9PeG variant with a factory heatspreader and the M9PeY as a PCIe add-in card with a large heatsink and RGB lighting.
Plextor is the retail brand of Lite-On, a major OEM SSD supplier. The M9Pe shares its hardware with the Lite-On CA3 client SSD. Its primary competitors are the Samsung 970 EVO 1TB and the WD Black 2018 1TB. Both use newer controllers and generally outperform the M9Pe despite the WD using the same BiCS3 NAND.
Storage Comparisons:
M9Pe Series Performance & Benchmarks
Plextor rates the M9Pe 1TB at up to 3,200 MB/s sequential reads and 2,100 MB/s sequential writes, with 400,000 read IOPS and 300,000 write IOPS. AnandTech's comprehensive testing showed the M9Pe delivering solid numbers but consistently trailing the Samsung 970 EVO and WD Black across sequential, random, and mixed workloads.
Plextor M9Pe Series 1 TB vs M.2 or PCIe 3.0 x 4 peers
Switch between sequential throughput and random IOPS to see how this drive stacks up against other M.2 or PCIe 3.0 x 4 SSDs in our database. The highlighted bar is the drive on this page — click any other bar to open that drive.
- Plextor M9Pe Series 1 TB (this drive): 3,200 MB/s read, 2,100 MB/s write
- Kingston KC2000 1 TB: 3,200 MB/s read, 2,200 MB/s write
- Kingston KC2000 2 TB: 3,200 MB/s read, 2,200 MB/s write
- Plextor M9Pe Series 512 GB: 3,200 MB/s read, 2,000 MB/s write
- Kingston KC2000 250 GB: 3,000 MB/s read, 1,100 MB/s write
The limiting factor is the Marvell 88SS1093 controller, which was originally designed for planar NAND and lacks optimizations for 3D TLC. The WD Black uses the same BiCS3 flash but pairs it with a newer Western Digital in-house controller, demonstrating what the M9Pe could have achieved with updated silicon. The 1 GB DRAM cache does help maintain consistent performance during sustained writes and heavy random workloads. In real-world desktop and gaming use, the M9Pe 1TB is fast enough that the performance deficit is only visible in benchmarks.
Plextor M9Pe Series vs Competitors
See how the M9Pe Series stacks up against other M.2 or PCIe 3.0 x 4 drives in our database:
Compare with rival drives:
Endurance, TBW & Warranty
The M9Pe 1TB carries a 640 TBW endurance rating backed by a five-year limited warranty. At 0.3 drive writes per day, this works out to roughly 350 GB of writes daily over the warranty term. A typical consumer writing 20 to 50 GB per day would take 35 to 87 years to exhaust the endurance. The 1.5 million hour MTBF is standard for consumer NVMe SSDs. The five-year warranty applies without requiring product registration.
Plextor M9Pe Series 1 TB Specifications
| Category | Value |
|---|---|
| Capacity [?] | 1 TB |
| Interface [?] | M.2 or PCIe 3.0 x 4 |
| Controller [?] | Marvell 88SS1093 |
| Memory type [?] | Toshiba TLC |
| DRAM [?] | 1024MB LPDDR3 |
| Read speed (MB/s) [?] | 3200 |
| Write speed (MB/s) [?] | 2100 |
| Read IOPS [?] | 400000 |
| Write IOPS [?] | 300000 |
| Endurance (TBW) [?] | 640 |
| MTBF (million hours) [?] | 1.5 |
| Warranty (years) [?] | 5 |
Verdict: Is the M9Pe Series Worth It in 2026?
The Plextor M9Pe 1TB is a well-built NVMe SSD with a generous 1 GB DRAM cache, Toshiba BiCS3 NAND, and 640 TBW of endurance. Its older controller prevents it from matching the Samsung 970 EVO or WD Black on raw performance, but the gap only matters in benchmarks, not in daily use. Buyers who find the M9Pe 1TB at a meaningful discount below those competitors get a reliable high-capacity drive with strong endurance. At full retail, the Samsung 970 EVO 1TB delivers more performance for similar money.
+ Pros
- 3,200 MB/s reads, 2,100 MB/s writes on PCIe 3.0
- 1,024 MB LPDDR3 DRAM cache — double the 512GB model
- 640 TBW endurance with five-year warranty
- Toshiba BiCS3 3D TLC NAND
- Consistent sustained performance
- Cons
- Marvell 88SS1093 controller is an older design
- Trails Samsung 970 EVO and WD Black in most benchmarks
- No hardware encryption
- AIC variant (M9PeY) was not widely available at launch
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