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Best 4TB PCIe 4.0 TLC DRAM SSDs

4TBPCIe 4.0TLCDRAM

There are 11 4TB PCIe 4.0 TLC DRAM SSDs in our database (11 with a direct Amazon product link). The fastest is the Samsung 990 Pro at 7450 MB/s read. Sequential reads across the group span 7100–7450 MB/s.

FastestSamsung 990 Pro7450 MB/s read

Why this configuration

A 4TB PCIe 4.0 TLC 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: everyday all-rounder use, from OS drive to game library; workstation and creative loads that hammer random I/O.

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.

TLC NAND is the mainstream choice — a solid balance of endurance, speed and cost.

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 11 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 TLC DRAM SSDs 35Best 4TB PCIe 5.0 TLC DRAM SSDs 12Best 4TB PCIe 4.0 TLC DRAM-less SSDs 19Best 4TB PCIe 4.0 TLC SSDs 32