Samsung 990 PRO 4TB Storage

Samsung 990 PRO 4TB

Brand
Samsung
Model
990 PRO 4TB
$940–$1,039estimated range · from catalog price Oct 5, 2026Seen 10% off

Samsung 990 PRO 4TB is a fast Gen4 NVMe SSD with DRAM and 2,400 TBW, launched in 2023—ideal for boot drives, game libraries, PS5 expansion, and editing scratch.

Storage performance rankTop 3% of storage drives
TierHigh end?GixCore tierWhat a part was built to do — not what it costs.EntryBudgetMainstreamHigh endEnthusiastFlagship A part can be cheap because it is an ageing flagship, or because it is a current entry-level model. The tier tells you which.
Released2023
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Capacity4 TB
TypeSSD
InterfacePCIe
Read speed7450 MB/s
Write speed6900 MB/s
Form factorM.2 2280
GixCore Editorial

Product overview

Samsung’s 990 PRO 4TB expands the 990 PRO PCIe 4.0 NVMe family. The 4TB capacity was announced on September 6, 2023, with retail availability in October 2023; the 990 PRO line debuted earlier, with the 4TB added in the 2023 datasheet revision.Sourcenews.samsung.com

Positioned as a high_end fast Gen4 TLC SSD, it exists to deliver near‑max PCIe 4.0 speed at large capacity. The 4TB model is single‑sided M.2 2280, uses V‑NAND TLC with 4GB DRAM, and is rated up to 7,450/6,900 MB/s and 2,400 TBW—well‑suited as a boot drive, big game library, PS5 expansion, or video‑editing scratch. Not discontinued as of October 2026.Sourcedownload.semiconductor.samsung.com

Best for
  • boot drive
  • game library
  • video-editing scratch
  • PS5 expansion
Official product specifications
Pairing fit

Compatible Motherboards

Compatible options ranked for this part's performance class.

Budget pairings6 lower-tier compatible options

Specifications

At a glance iEach dot represents a catalog model. Farther right means a higher measured value, not necessarily a better fit.Measured against the storage drives catalog
Current modelCatalog models
Capacity4 TB
Higher than 63% of storage drives
Read speed7450 MB/s
Higher than 93% of storage drives
Write speed6900 MB/s
Higher than 90% of storage drives
Capacity
4 TB
Type
SSD
Read speed
7450 MB/s
Write speed
6900 MB/s
Form factor
M.2 2280
Hardware Interface
PCIe 4.0 x4
Data Transfer Rate
16000 Mb/s
Interface
PCIe
Tdp
9 W