Best 4TB PCIe 3.0 M.2 SSDs
There are 5 4TB PCIe 3.0 M.2 SSDs compared here. The fastest is the Corsair M.2 Force Series MP510 de at 3480 MB/s read at 4TB. Sequential reads across the group span 3200–3480 MB/s at 4TB.
Why this configuration
A 4TB PCIe 3.0 M.2 SSD is an affordable NVMe step up from SATA. Gen3 is roughly six times SATA's throughput yet often costs little more, making it the easy default for a first NVMe drive or a laptop that only supports Gen3.
4TB starts to replace juggling several smaller drives.
Usually chosen for: budget builders, laptop upgraders and anyone leaving SATA behind.
Good fit: large libraries and archives on a single drive.
Ranked list
Speeds on this page are the manufacturer's 4TB ratings where published (5 of 5 drives), not the family headline figure. 1 of the 5 are rated slower at 4TB than at their fastest capacity.
| # | Model | Tier | Controller | Read MB/s (at 4TB) | TBW | |
|---|---|---|---|---|---|---|
| 1 |  Corsair M.2 Force Series MP510 de 250GB, 500GB, 4TB, 960GB, 1.92TB | High-end | Phison PS5012-E12 (4-Core, 8-Canai | 3480 | 6820 | Find on Amazon |
| 2 |  Sabrent ROCKET 250GB, 500GB, 1TB, 2TB, 4TB | High-end | Phison PS5012-E12S | 3450 | — | Find on Amazon |
| 3 |  Mushkin ALPHA 4TB, 8TB | High-end | Phison PS5012-E12S (TSMC 12nm, 8-C | 3200 | 1800 | Find on Amazon |
| 4 |  Corsair MP400 NVMe 1TB, 2TB, 4TB, 8TB | Mid-range | Phison PS5012-E12S (TSMC 12nm, 8-C | 3480 | 1600 | Find on Amazon |
| 5 |  Sabrent ROCKET Q 1TB, 2TB, 4TB, 8TB | Mid-range | Phison PS5012-E12S (TSMC 12nm, 8-C | 3400 | 940 | Find on Amazon |
The parts, explained
4TB handles big Steam libraries, video projects and archives.
PCIe 3.0 x4 reaches about 3,500 MB/s — plenty for everyday use and gaming, and cheaper than Gen4.
The M.2 form factor plugs straight into the motherboard with no cables.