Samsung 990 PRO 4TB PCIe Gen4 NVMe M.2 SSD

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Product guide

Samsung 990 PRO 4TB PCIe Gen4 NVMe M.2 SSD

Gen4: Samsung 990 PRO is a 4TB internal NVMe SSD for compatible PCIe systems, with manufacturer-listed sequential speeds up to 7,450 MB/s read and 6,900 MB/s write. Its M.2 format makes system fit and thermal setup important checks before buying.

At a glance

4 TB capacity for large game libraries, project files and other sizable data.
Samsung lists sequential read/write speeds up to 7,450/6,900 MB/s and random performance up to 1400K/1550K IOPS.
The manufacturer cites gaming use with PS5 and DirectStorage PC games.
Samsung Magician software is described as providing drive-health monitoring, data protection tools and updates.

Price

$1,279.99Save 15%

Reference price: ~~$1,499.99~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

Large 4 TB capacity in an internal M.2 NVMe format.
High claimed PCIe Gen4 sequential read and write speeds for compatible systems.
Customer feedback reports easy installation and appreciates the available space.

Cons

The SSD is an internal component, so it requires a compatible M.2 slot and installation rather than offering portable, plug-and-play storage.
Customer feedback is mixed about heat generation, making system airflow and cooling worth considering.

Technical specifications

14 specifications

Identity and capacity
Brand	Samsung
Model	990 PRO
Storage	4 TB

Connectivity and performance
Interface	NVMe
Connectivity technology	PCIe
Claimed sequential read speed	7450 megabytes_per_second
Claimed sequential write speed	6,900 MB/s

Dimensions and installation
Form factor	M2
Dimensions listed	8 x 2.2 x 0.23 cm; 9.07 g
Weight listed	9 g
Installation type	Internal Hard Drive

Features and compatibility
Special features	Backward Compatible, Hardware Encryption
Compatible device listed	Gaming Console
Compatible console model listed	Sony PlayStation 5

What to know before buying

Listing details to confirm

Listing details are inconsistent about form factor, describing the drive as both M.2 and 2.5 inches, and dimensions and weight appear in differing formats. The stated 3,500 MB/s media speed also conflicts with the higher read/write claims, and the 4 TB cache-memory entry does not clarify a cache capacity. Confirm the selected model's specifications and system fit before purchase. The stated sequential speeds are manufacturer claims, not independent measurements.

What’s in the box

Included

SSD
User manual
Mounting screws

Who is it for?

A good fit for

PC builders and upgraders with a compatible M.2 NVMe PCIe slot who want 4 TB of internal storage.
PS5 owners considering compatible internal storage, after checking the console's installation and cooling requirements.
Users moving large files or expanding storage for demanding games and creative workloads.

Less suited to

Anyone needing a portable external drive or a simple storage device that connects without internal installation.
Systems without a compatible M.2 NVMe PCIe slot or enough clearance for the installed drive and required cooling.

Samsung 990 PRO 4TB PCIe Gen4 NVMe M.2 SSD · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 13,422 ratings

5 stars87%87%
4 stars7%7%
3 stars1%1%
2 stars0%0%
1 star5%5%

Customer feedback highlights perceived performance, straightforward installation and the usefulness of the 4 TB capacity. Those experiences matter most for compatible systems where users need substantial internal storage, but reported views on heat are mixed. The listing's claimed speeds and thermal-control features are product claims, not proof that every setup will run cool or achieve those speeds.

Positive themes

Customer feedback describes the drive as performing well at its advertised read/write speeds.
Users report that installation is easy and appreciate the large storage capacity.

Mixed feedback

Customer feedback is mixed about heat generation.

Frequently asked questions

What capacity is the Samsung 990 PRO listing for?

The listing identifies this version as 4 TB.

What read and write speeds does the listing claim?

It cites sequential read/write speeds up to 7,450/6,900 MB/s. These are manufacturer claims, not independently verified measurements.

Will this drive fit my computer or console?

Check that the device supports an M.2 NVMe PCIe SSD and confirm physical clearance and cooling. The listing's form-factor details are inconsistent, so verify the exact selected model before buying.

Does it include screws or brackets?

The contents list names the SSD and a user manual, while stating other cables, screws and brackets are not included.