Best Crucial QLC SSDs
There are 4 Crucial QLC SSDs compared here. The fastest is the Crucial P310 at 7100 MB/s read, and the highest-rated for endurance is the Crucial P2 (300 TBW). Sequential reads across the group span 800–7100 MB/s.
Why this configuration
A Crucial QLC SSD is a capacity-per-dollar configuration. QLC packs more gigabytes per dollar in exchange for lower rated endurance. Crucial specifically tends to be chosen here for its firmware track record and warranty support.
Usually chosen for: bulk storage and read-heavy media libraries.
Good fit: read-heavy storage — media libraries and game installs you rarely rewrite.
Look elsewhere for: heavy sustained writes or a video-editing scratch disk.
Ranked list
| # | Model | Tier | Controller | Read MB/s | TBW | |
|---|---|---|---|---|---|---|
| 1 | Crucial P310 500GB, 1TB, 2TB, 4TB | Mid-range | Phison E27T | 7100 | — | Check price on Amazon |
| 2 |  Crucial P2 250GB, 500GB | Value | Phison’s PS5013-E13T | 2300 | 300 | Find on Amazon |
| 3 |  Crucial Externo CRUCIAL X8 1TB, 2TB | — | "Silicon Motion SM2263ENG (2-Core, | 1050 | — | Find on Amazon |
| 4 |  Crucial Externo CRUCIAL X6 500GB, 1TB, 2TB, 4TB | — | "Silicon Motion SM2258XT (1-Core, | 800 | — | Find on Amazon |
The parts, explained
QLC NAND stores more per cell for a lower price per terabyte, but sustained writes and rated endurance are lower, so it suits read-heavy storage.
Staying with Crucial means consistent firmware, tooling and warranty handling across the range.
Common questions
Is QLC reliable at these?
QLC is fine for typical and read-heavy use; just expect a lower rated endurance (TBW) than a comparable TLC drive, and slower writes once the SLC cache fills.