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18 Mar, 2026
Samsung 990 PRO 4 TB M.2 PCI Express 4.0 NVMe V-NAND TLC
£626.50
£751.80 inc. VAT
Out of Stock(0)MPN: MZ-V9P4T0BW
🚚 Next-day delivery £4.95
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Key Features
Samsung 990 PRO MZ-V9P4T0BW
SSD
encrypted
4 TB
internal
M.2 2280
PCIe 4.0 x4 (NVMe)
256-bit AES
Product Overview
AI-generated summary
The Samsung 990 PRO 4TB is a “buy it once, don’t think about it again” kind of SSD, but at £631.10 ex-VAT you’d better be buying it for a use case that actually benefits from top-end NVMe performance and reliability. Day-to-day office work or typical LOB apps won’t feel like you’re getting value for money versus cheaper PCIe 4.0 drives. Where this makes sense is in serious read/write workloads: VM hosts, heavy SQL/reporting servers, content pipelines, big local caches for creative tools, or any workstation that’s constantly moving large datasets. Samsung also tends to have solid firmware maturity, so it’s a sensible choice for businesses who hate surprises and downtime.
Should you avoid it? If you’re mostly chasing capacity on a budget, there are better value options that still perform great in the real world. Also, if you don’t need 4TB specifically, buying a smaller high-quality drive can give you nearly the same “feel” for less money. Overall: if this is going into a workstation/server where the SSD is a daily workhorse, the 990 PRO is a credible premium pick. If it’s for lighter usage, that price is hard to justify—there are smarter ways to spend that money.
Why This Product
Superb SSD for gaming enthusiasts
Reach max performance of PCIe® 4.0.Experience longer-lasting, opponent-blasting speed.The in-house controller's smart heat control delivers supreme power efficiency while maintaining ferocious spee...
PCIe 4.0 speed maximised
Huge speed boost.40% and 55% faster random read/write speeds than 980 PRO - up to 1400K/1550K IOPS, while sequential read/write speeds up to 7450/6900 MB/s reach near max performance of PCIe® 4.0. ...
Breakthrough power efficiency
More power-efficient performance.Higher performance usually consumes more power. But, 990 PRO uses less power with over 50% improved performance per Watt over 980 PRO. This low-power design makes m...
Smart thermal solution
Speed beyond the heat.The nickel-coated controller and cutting-edge thermal control algorithm manage heat for unwavering performance. The heat spreader label controls NAND chip heat, while Dynamic ...
Game like a pro
Secure victory with 990 PRO's expanded 4TB capacity, empowering you with a random read speed of up to 1,600.000 IOPS. Witness faster loading times on your PC and PlayStation® 5, as it breathes life...
Samsung Magician software
Unlock the full power of 990 PRO.Samsung Magician software's user-friendly suite of optimisation tools always gets you the best SSD performance. Protect data, get firmware updates and monitor the d...
Specifications
Features
NVMe version2.0
Security algorithms256-bit AES
SSD capacity4000 GB
SSD form factorM.2
InterfacePCI Express 4.0
Power
Operating voltage3.3 V
Power consumption (max)8.6 W
Power consumption (average)6.5 W
Power consumption (idle)0.055 W
Weight & dimensions
Width80 mm
Depth2.3 mm
Height22 mm
Weight9 g
Operational conditions
Operating temperature (T-T)0 - 70 °C
Operating shock1500 G
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