Best 4TB PCIe 3.0 DRAM SSDs
There are 5 4TB PCIe 3.0 DRAM SSDs compared here. The fastest is the Western Digital WD BLACK™ AN1500 NVMe at 6500 MB/s read at 4TB, and the highest-rated for endurance is the Corsair M.2 Force Series MP510 de (6820 TBW). Sequential reads across the group span 3400–6500 MB/s at 4TB.
Why this configuration
A 4TB PCIe 3.0 DRAM 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: workstation and creative loads that hammer random I/O; 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. Rated writes at 4TB run 3000–4100 MB/s.
| # | Model | Tier | Controller | Read MB/s (at 4TB) | TBW | |
|---|---|---|---|---|---|---|
| 1 |  Western Digital WD BLACK™ AN1500 NVMe 1TB, 2TB, 4TB | Top-tier | SANDISK 20-82-00705 (WD Custom Con | 6500 | — | Find on Amazon |
| 2 |  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 |
| 3 |  Sabrent ROCKET 250GB, 500GB, 1TB, 2TB, 4TB | High-end | Phison PS5012-E12S | 3450 | — | 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.
An onboard DRAM cache keeps the flash mapping table on the drive, holding random performance steady under sustained load.