Best 128GB Plextor SSDs
There are 4 128GB Plextor SSDs compared here. The fastest is the Plextor M8PeY at 1600 MB/s read at 128GB. Sequential reads across the group span 540–1600 MB/s at 128GB.
Why this configuration
A 128GB Plextor SSD is a capacity-first shortlist. Everything here is available at this size, across interfaces and price tiers, so the choice comes down to how fast you need it and how much rewriting it will take. Plextor specifically tends to be chosen here for its firmware track record and warranty support.
At 128GB this is really a boot or cache drive rather than a main library.
Usually chosen for: buyers who have already settled on the size and are picking on specs.
Good fit: mainstream desktop and laptop builds.
Ranked list
Speeds on this page are the manufacturer's 128GB ratings where published (4 of 4 drives), not the family headline figure. 3 of the 4 are rated slower at 128GB than at their fastest capacity. Rated writes at 128GB run 340–500 MB/s.
| # | Model | Tier | Controller | Read MB/s (at 128GB) | TBW | |
|---|---|---|---|---|---|---|
| 1 |  Plextor M8PeY 128GB, 250GB, 500GB, 1TB | High-end | Marvell 88SS1093 | 1600 | 768 | Find on Amazon |
| 2 |  Plextor M8PeG 128GB, 250GB, 500GB, 1TB | High-end | Marvell 88SS1093 | 1600 | 768 | Find on Amazon |
| 3 |  Plextor M8PeGN 128GB, 250GB, 500GB, 1TB | Mid-range | Marvell 88SS1093 | 1600 | 768 | Find on Amazon |
| 4 |  Plextor M5 PRO 128GB, 250GB, 500GB | Mid-range | Marvell 88SS9187 | 540 | — | Find on Amazon |
The parts, explained
128GB suits a boot drive or a light secondary disk.
Staying with Plextor means consistent firmware, tooling and warranty handling across the range.