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Best 4TB PCIe 4.0 DRAM SSDs

4TBPCIe 4.0DRAM

There are 12 4TB PCIe 4.0 DRAM SSDs in our database (11 with a direct Amazon product link). The fastest is the Samsung 990 Pro at 7450 MB/s read, 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.

FastestSamsung 990 Pro7450 MB/s read Most enduranceCorsair Gen4 PCIe MP600 Core900 TBW

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

Ranked by tier, then link type, then sequential read. Drives we hold a product link for show a price button; the rest open an Amazon search on the manufacturer part number. Stock and prices are not shown here — they change too often.

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.

Common questions

How do the links to Amazon work here?

11 of the 12 drives listed have a direct product link; for the rest we link an Amazon search on the manufacturer part number, which lands on the right listing. We deliberately don't display stock or prices on this page — check both on Amazon, they change constantly.

Related configurations

Best 2TB PCIe 4.0 DRAM SSDs 36Best 4TB PCIe 5.0 DRAM SSDs 12Best 4TB PCIe 3.0 DRAM SSDs 5Best 4TB PCIe 4.0 DRAM-less SSDs 26Best 4TB PCIe 4.0 SSDs 42