Best 4TB PCIe 4.0 DRAM SSDs
There are 12 4TB PCIe 4.0 DRAM SSDs compared here. The fastest is the Samsung 990 Pro at 7450 MB/s read at 4TB, and the highest-rated for endurance is the Corsair Gen4 PCIe MP600 Core (900 TBW). Sequential reads across the group span 4950–7450 MB/s at 4TB.
Why this configuration
A 4TB PCIe 4.0 DRAM SSD is the mainstream high-performance pick. Gen4 paired with a DRAM cache delivers close-to-flagship real-world speed and stays consistent under sustained load, for far less than a Gen5 drive.
4TB starts to replace juggling several smaller drives.
Usually chosen for: gamers and creators who want fast, dependable storage without paying the Gen5 premium.
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 (12 of 12 drives), not the family headline figure. Rated writes at 4TB run 3950–7000 MB/s.
| # | Model | Tier | Controller | Read MB/s (at 4TB) | 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 990 Pro 1TB, 2TB, 4TB | High-end | Samsung Pascal (S4LV008) | 7450 | — | Check price on Amazon |
| 3 | Acer Predator GM7000 500GB, 1TB, 2TB, 4TB | High-end | InnoGrit IG5236 | 7400 | — | Check price on Amazon |
| 4 | Addlink A95 1TB, 2TB, 4TB, 8TB | High-end | Phison E18 | 7400 | — | Check price on Amazon |
| 5 | Crucial T500 500GB, 1TB, 2TB, 4TB | High-end | Phison E25 | 7400 | — | Check price on Amazon |
| 6 | MSI M480 Pro 1TB, 2TB, 4TB | High-end | Phison E18 | 7400 | — | Check price on Amazon |
| 7 | TeamGroup T-Force G70 Pro 500GB, 1TB, 2TB, 4TB | High-end | InnoGrit IG5236 | 7400 | — | Check price on Amazon |
| 8 | Fanxiang S770 1TB, 2TB, 4TB | High-end | InnoGrit IG5236 | 7300 | — | Check price on Amazon |
| 9 | Kingston Fury Renegade 500GB, 1TB, 2TB, 4TB | High-end | Phison E18 | 7300 | — | Check price on Amazon |
| 10 | Silicon Power XS70 1TB, 2TB, 4TB | High-end | Phison E18 | 7300 | — | Check price on Amazon |
| 11 | Western Digital Black SN850X 1TB, 2TB, 4TB, 8TB | High-end | WD 20-82-20035-B2, WD 20-82-000292 | 7300 | — | Check price on Amazon |
| 12 | Inland Performance Plus 1TB, 2TB, 4TB, 8TB | High-end | Phison E18 | 7100 | — | Check price on Amazon |
The parts, explained
4TB handles big Steam libraries, video projects and archives.
PCIe 4.0 x4 delivers roughly 7,000 MB/s, the current price-to-performance sweet spot for most builds.
An onboard DRAM cache keeps the flash mapping table on the drive, holding random performance steady under sustained load.