Samsung 4TB 990 PRO PCIe 4.0 x4 M.2 Internal SSD

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Samsung 4TB 990 PRO PCIe 4.0 x4 M.2 Internal SSD
Key Features
  • 4TB Storage Capacity
  • M.2 2280 Form Factor
  • PCIe 4.0 x4 / NVMe 2.0 Interface
  • Sequential Reads up to 7450 MB/s
Built using their V-NAND 3-bit MLC flash technology and in-house controller, the Samsung 4TB 990 PRO PCIe 4.0 x4 M.2 Internal SSD offers an M.2 2280 form factor and a PCIe 4.0 x4 / NVMe 2.0 interface to deliver sequential read speeds of up to 7450 MB/s and sequential write speeds of up to 6900 MB/s. Users will also have access to encryption via TCG/Opal 2.0 and MS eDrive, while a TBW (Total Bytes Written) rating of 2400TB helps ensure a long operational life.
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Samsung 990 PRO Internal SSD Overview

From Manufacturer

Built using their V-NAND 3-bit MLC flash technology and in-house controller, the Samsung 4TB 990 PRO PCIe 4.0 x4 M.2 Internal SSD offers an M.2 2280 form factor and a PCIe 4.0 x4 / NVMe 2.0 interface to deliver sequential read speeds of up to 7450 MB/s and sequential write speeds of up to 6900 MB/s. Users will also have access to encryption via TCG/Opal 2.0 and MS eDrive, while a TBW (Total Bytes Written) rating of 2400TB helps ensure a long operational life.

Maximum Speed
Get sequential read speeds of up to 7450 MB/s and sequential write speeds of up to 6900 MB/s with the 990 PRO and push the limits of what SSDs can do. The 990 PRO is powered by Samsung's own controller, which is designed to harmonize the flash memory components and the interface for improved speed, with a PCIe 4.0 interface that's up to twice as fast as PCIe 3.0 SSDs, so every component of this NVMe 2.0 SSD is manufactured by Samsung for lasting performance.
Power-Efficient Performance
Use less power and get more performance. Enjoy improved performance per watt, plus optimal power efficiency with max PCIe 4.0 performance.
The Champion Maker
A more than 55% improvement in random performance enables faster loads for an ultimate gaming experience on PS5 and DirectStorage PC games.
Efficient M.2 SSD
The 990 PRO comes in a compact M.2 2280 form factor, which can be easily installed into desktops and laptops. Due to its size and optimized power efficiency, it's ideal for building high-performance computers.
Smart Thermal Solution
Samsung's own nickel-coated high-end controller delivers effective thermal control and prevents sudden performance drops from overheating.
Samsung Magician Software
Unlock the full potential of the 990 PRO with Samsung Magician's advanced, yet intuitive optimization tools. Monitor drive health, optimize performance, protect valuable data, and receive important updates with Magician to ensure you're always getting the best performance out of your SSD.
UPC: 887276795195

Samsung 990 PRO Internal SSD Specs

Key Specs
Total Capacity
4 TB
Drive Type
PCIe 4.0 x4 / M.2 2280 SSD
Read Speed
Maximum: 7450 MB/s
Random: 1,600,000 IOPS
Write Speed
Maximum: 6900 MB/s
Random: 1,550,000 IOPS
Heatsink Included
No
Total Capacity
4 TB
Drive Type
PCIe 4.0 x4 / M.2 2280 SSD
Performance
Read Speed
Maximum: 7450 MB/s
Random: 1,600,000 IOPS
Write Speed
Maximum: 6900 MB/s
Random: 1,550,000 IOPS
Encryption Support
Yes
Mean Time Between Failures (MTBF)
1.5 Million Hours
Endurance (Total Bytes Written)
2400 TB
Heatsink Included
No
Electrical
Power Draw
6.5 W (Active)
5.8 mW (Standby)
Input Power
3.3 VDC
General
Operating Conditions
32 to 158°F / 0 to 70°C
Operating Shock
1500 G / 0.5 ms
Dimensions
3.15 x 0.87 x 0.09" / 80.01 x 22.09 x 2.31 mm
Weight
0.3 oz / 9 g
Packaging Info
Package Weight
0.15 lb
Box Dimensions (LxWxH)
6.5 x 3.9 x 0.9"

Samsung 990 PRO Internal SSD Reviews

Fast ssd for windows 11

By Malkimeansking
Rated 5 out of 5
Date: 2026-08-29

[This review was collected as part of a promotion.] Fast ssd storage. I have 20tb of Samsung ssd nvme storage in my new pc (5 drives). Haven't had a problem with it. It transfers reads and writes fast with no issues. I bought it so it would not bottleneck my new CPU hardware. For my OS drive I bought the 990 pro and for my secondary drives I bought the 990 evo's. I haven't done an exact test for read write speeds but I would say they are as advertised. Also prices at the time for these drives were good. Mainly bought the drives for video editing, but I also record music and do some gaming. Works great.

Samsung SSD is always fast

By Apollo
Rated 5 out of 5
Date: 2026-08-28

[This review was collected as part of a promotion.] Great SSD with fast performance and samsung software is great for getting performance readings. Got at a great price on sale during holidays. Hard to beat samsung SSD. 👍

See any errors on this page?

Hi, I would like to know if this drive will be ...

Hi, I would like to know if this drive will be compatible and fully readable in my Dell Precision 7740 Mobile workstation? Thx
Asked by: Aleksandar
Yes, the Samsung 4TB 990 PRO PCIe 4.0 x4 M.2 Internal SSD, B&H # SAMZV9P4T0B, is compatible with a Dell Precision 7740. 
Answered by: Miguel M
Date published: 2024-11-19

Will the 4TB Samsung 990 PRO Internal SSD work in ...

Will the 4TB Samsung 990 PRO Internal SSD work in the OWC Express 1M2 USB4 External SSD Enclosure?
Asked by: Twain
Twain, So that we can best assist you, please reach out to our Customer Service team. You can reach us at: 1-800-SAMSUNG (ask for Memory) Available 9AM – 12AM EST (Mon-Fri) ~Samsung Pro
Answered by: Samsung
Date published: 2026-02-04

Does this work with PCIe Gen3?

Does this work with PCIe Gen3?
Asked by: Gilbert
Yes, the Samsung 4TB 990 PRO PCIe 4.0 x4 M.2 Internal SSD would work with PCIe 3.0, but please be advised that it will only run at PCIe 3.0 speeds.
Answered by: Michael S
Date published: 2025-02-26

Will this work as an upgrade for my Mac Pro (Late ...

Will this work as an upgrade for my Mac Pro (Late 2013) storage?
Asked by: Hersh
No, the Samsung 4TB 990 PRO PCIe 4.0 x4 M.2 Internal SSD is not compatible with the late 2013 Mac Pro. For this Mac Pro, you'll need an SSD that uses the specific interface used on the Mac Pro, like the OWC Aura Pro X2 2TB NVMe SSD Upgrade for Mac Pro (Late 2013), B&H # OWS3DA4MP20P.
Answered by: Kenneth C
Date published: 2024-03-28

Is it gen 3 backward compatible ?

Is it gen 3 backward compatible ?
Asked by: MARK
Yes, the Samsung 4TB 990 PRO PCIe 4.0 x4 M.2 Internal SSD is backwards compatible with PCIe Gen 3. It will just run at Gen3 speeds.
Answered by: JP A
Date published: 2025-12-11

will the Samsung 4TB 990 PRO PCIe 4.0 x4 M.2 ...

will the Samsung 4TB 990 PRO PCIe 4.0 x4 M.2 Internal SSD work ssd work in synology nas?
Asked by: Bo
No, only Synology branded M.2 SSDs like the Synology 800GB SNV3410 NVMe M.2 2280 SSD (BH #SYSNV3410800) are recommended for use in Synology NAS. The Samsung 4TB 990 PRO PCIe 4.0 x4 M.2 Internal SSD is not compatible.
Answered by: Paige K
Date published: 2024-12-27

Will this device work with an ASUS Tuff Gaming ...

Will this device work with an ASUS Tuff Gaming B550 Plus motherboard?
Asked by: Gary
Yes, the Samsung 4TB 990 PRO PCIe 4.0 x4 M.2 Internal SSD is compatible with motherboards that have M.2 NVMe storage slots.
Answered by: Calvin M
Date published: 2024-08-08

will it fit and work in a 17" Dell XPS 9730?

will it fit and work in a 17" Dell XPS 9730?
Asked by: Franco
Yes, this Samsung 4TB 990 PRO PCIe 4.0 x4 M.2 Internal SSD is compatible with the 17" Dell XPS 9730 laptop.
Answered by: Sagi C
Date published: 2024-04-03
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