Best 128GB Silicon Power SSDs
There are 4 128GB Silicon Power SSDs compared here. The fastest is the Silicon Power VELOX V55 at 560 MB/s read. Sequential reads across the group span 460–560 MB/s at 128GB.
Why this configuration
A 128GB Silicon Power 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. Silicon Power 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 (1 of 4 drives), not the family headline figure. 1 of the 4 are rated slower at 128GB than at their fastest capacity.
| # | Model | Tier | Controller | Read MB/s (at 128GB) | TBW | |
|---|---|---|---|---|---|---|
| 1 |  Silicon Power ACE A55 128GB, 250GB, 500GB, 1TB, 2TB | Value | Silicon Motion SM2258XT (1-Core, 4 | 460 | — | Find on Amazon |
| 2 |  Silicon Power VELOX V55 128GB, 250GB, 500GB, 960GB | — | PHISON PS3108-S8-I | 560* | — | Find on Amazon |
| 3 |  Silicon Power VELOX V70 128GB, 250GB, 500GB | — | SandForce SF-2281 | 560* | — | Find on Amazon |
| 4 |  Silicon Power VELOX V80 128GB, 250GB, 500GB, 960GB | — | Phison PS3108-S8-I | 550* | — | Find on Amazon |
* family rating — the manufacturer does not publish a 128GB figure for this drive.
The parts, explained
128GB suits a boot drive or a light secondary disk.
Staying with Silicon Power means consistent firmware, tooling and warranty handling across the range.