Best 2TB QLC DRAM SSDs
There are 9 2TB QLC DRAM SSDs compared here. The fastest is the Corsair Gen4 PCIe MP600 Core at 4950 MB/s read at 2TB, and the highest-rated for endurance is the Samsung QVO 870 (2880 TBW). Sequential reads across the group span 550–4950 MB/s at 2TB.
Why this configuration
A 2TB QLC DRAM SSD is a capacity-per-dollar configuration. QLC packs more gigabytes per dollar in exchange for lower rated endurance.
2TB is the current default for people who'd rather not think about free space for a while.
Usually chosen for: bulk storage and read-heavy media libraries.
Good fit: read-heavy storage — media libraries and game installs you rarely rewrite; workstation and creative loads that hammer random I/O.
Look elsewhere for: heavy sustained writes or a video-editing scratch disk.
Ranked list
Speeds on this page are the manufacturer's 2TB ratings where published (9 of 9 drives), not the family headline figure. 1 of the 9 are rated slower at 2TB than at their fastest capacity. Rated writes at 2TB run 520–3700 MB/s.
| # | Model | Tier | Controller | Read MB/s (at 2TB) | TBW | |
|---|---|---|---|---|---|---|
| 1 |  Corsair Gen4 PCIe MP600 Core 1TB, 2TB, 4TB | Top-tier | Phison PS5016-E16 (TSMC 28nm, 2-Co | 4950 | 900 | Find on Amazon |
| 2 |  Samsung QVO 870 1TB, 2TB, 4TB, 8TB | Mid-range | Samsung MKX Controller (3-Core, 8- | 560 | 2880 | Check price on Amazon |
| 3 |  Samsung QVO 860 1TB, 2TB, 4TB | Mid-range | SAMSUNG MJX CONTROLLER (3-Core, 8- | 550 | 1440 | Check price on Amazon |
| 4 |  Intel ® SSD 670P SERIES 500GB, 1TB, 2TB | Mid-range | Silicon Motion SM2265 (Dual Core 3 | 3500 | 740 | Find on Amazon |
| 5 |  Corsair MP400 NVMe 1TB, 2TB, 4TB, 8TB | Mid-range | Phison PS5012-E12S (TSMC 12nm, 8-C | 3480 | 1600 | Find on Amazon |
| 6 |  Sabrent ROCKET Q 1TB, 2TB, 4TB, 8TB | Mid-range | Phison PS5012-E12S (TSMC 12nm, 8-C | 3200 | 940 | Find on Amazon |
| 7 |  Intel ® SSD 665P SERIES 1TB, 2TB | Value | Silicon Motion SM2263EN (2-Core, 4 | 2000 | 600 | Find on Amazon |
| 8 |  Intel ® SSD 660P SERIES 500GB, 1TB, 2TB | Value | Silicon Motion SM2263EN (2-Core, 4 | 1800 | 400 | Find on Amazon |
| 9 |  Crucial Externo CRUCIAL X8 1TB, 2TB | — | "Silicon Motion SM2263ENG (2-Core, | 1050 | — | Find on Amazon |
The parts, explained
2TB is today's sweet spot for large game libraries and creative work.
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.
An onboard DRAM cache keeps the flash mapping table on the drive, holding random performance steady under sustained load.
Common questions
Is QLC reliable at 2TB?
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.