Samsung 990 EVO Plus MZ-V9S4T0BW 4 TB
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Capable of running at PCIe 4.0 4x or PCIe 5.0 2x. 8th-generation V-NAND with three bits per cell (TLC) and a 5nm controller without an external DRAM buffer.
E-Catalog UK editor, SSD
Valerii Lenko, edited 10.04.2026
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Samsung 2026 - new arrivals, bestsellers, and the most relevant models Samsung.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Samsung 2026 - new arrivals, bestsellers, and the most relevant models Samsung.
TLC, QLC, MLC, SLC: which type of drive memory is better?Important differences between the types of NAND memory TLC, QLC, MLC, SLC, which determine the scope of their use and development prospects
How to choose the right SSDChoosing an SSD with the required speed and good reliability for home, work and gaming
Buy Samsung 990 EVO Plus MZ-V9S4T0BW 4 TB
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SAMSUNG 990 EVO Plus M.2 Internal SSD - 4 TB 000000000010474136 | £418.99 |  | |||
SAMSUNG 990 EVO Plus M.2 Internal SSD - 4 TB, Black | £419.00 |  | |||
4TB Samsung 990 EVO Plus M.2 2280 PCI Express 4.0 x4 NVMe Solid State Drive MZ-V9S4T0BW | £499.99 |  | |||
Samsung 990 EVO Plus 4TB M.2 2280 NVMe PCIe 5.0 SSD MZ-V9S4T0BW | £519.99 |  | |||
Samsung 990 EVO Plus 4TB M.2 2280 Internal SSD MZ-V9S4T0BW | £529.97 |  | |||
12 more offer(s)
Series Samsung EVO (high efficiency TLC)Compare using chart →
2 TB, M.2, 22x80, PCIe 5.0 2x, 3D TLC NAND, write: 6300 MB/s, read: 7250 MB/s, warranty 5 years
1 TB, M.2, 22x80, PCIe 5.0 2x, 3D TLC NAND, write: 6300 MB/s, read: 7150 MB/s, warranty 5 years
4 TB, M.2, 22x80, PCIe 5.0 2x, 3D TLC NAND, write: 6300 MB/s, read: 7250 MB/s, warranty 5 years
1 TB, 2.5", 3D TLC NAND, write: 530 MB/s, read: 560 MB/s, SATA 3, DRAM buffer, warranty 5 years
500 GB, 2.5", 3D TLC NAND, write: 530 MB/s, read: 560 MB/s, SATA 3, DRAM buffer, warranty 5 years
4 TB, 2.5", 3D TLC NAND, write: 530 MB/s, read: 560 MB/s, SATA 3, DRAM buffer, warranty 5 years
2 TB, M.2, 22x80, PCIe 5.0 2x, 3D TLC NAND, write: 4200 MB/s, read: 5000 MB/s, warranty 5 years
2 TB, 2.5", 3D TLC NAND, write: 530 MB/s, read: 560 MB/s, SATA 3, DRAM buffer, warranty 5 years
500 GB, 2.5", 3D TLC NAND, write: 530 MB/s, read: 560 MB/s, SATA 3, DRAM buffer, warranty 5 years
250 GB, 2.5", 3D TLC NAND, write: 530 MB/s, read: 560 MB/s, SATA 3, DRAM buffer, warranty 5 years
1 TB, M.2, 22x80, PCIe 5.0 2x, 3D TLC NAND, write: 4200 MB/s, read: 5000 MB/s, warranty 5 years
2 TB, 2.5", 3D TLC NAND, write: 530 MB/s, read: 560 MB/s, SATA 3, DRAM buffer, warranty 5 years
1 TB, M.2, 22x80, PCIe 3.0 4x, 3D TLC NAND, write: 3300 MB/s, read: 3500 MB/s, DRAM buffer, warranty 5 years
1 TB, 2.5", 3D TLC NAND, write: 530 MB/s, read: 560 MB/s, SATA 3, DRAM buffer, warranty 5 years
500 GB, 2.5", 3D TLC NAND, write: 520 MB/s, read: 550 MB/s, SATA 3, DRAM buffer, warranty 5 years
250 GB, 2.5", 3D TLC NAND, write: 520 MB/s, read: 550 MB/s, SATA 3, DRAM buffer, warranty 5 years
4 TB, 2.5", 3D TLC NAND, write: 520 MB/s, read: 550 MB/s, SATA 3, DRAM buffer, warranty 5 years
Great fast memory. Programs, games, anything launches instantly. Compared to the 970 EVO, the difference is not very noticeable, but next to an HDD, it's like comparing a sports car with a compact car. The attached test screenshots show it falling slightly short of the stated claims, but I think that's due to my PC configuration. Speed, reliability The sudden chip crisis that has caused the price to skyrocket  Volodimir : use Samsung MZ-V9S2T0BW less than month |
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Samsung 990 EVO Plus MZ-V9S4T0BW configurations
| Price for Samsung 990 EVO Plus MZ-V9S4T0BW | ||||
|---|---|---|---|---|
 | Samsung 990 EVO Plus MZ-V9S1T0BW 1 TB | from £173.30 | 18 offers | |
| Samsung 990 EVO Plus MZ-V9S2T0BW 2 TB | from £247.99 | 19 offers | |
| Samsung 990 EVO Plus MZ-V9S4T0BW 4 TB | from £418.99 | 20 offers | |
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We recommendCompare using chart →
4 TB, M.2, 22x80, PCIe 5.0 4x, 3D TLC NAND, write: 12600 MB/s, read: 14100 MB/s, DRAM buffer, warranty 5 years
4 TB, M.2, 22x80, PCIe 5.0 4x, 3D TLC NAND, write: 13800 MB/s, read: 14500 MB/s, DRAM buffer, warranty 5 years
4 TB, M.2, 22x80, PCIe 5.0 4x, 3D TLC NAND, write: 11800 MB/s, read: 12400 MB/s, warranty 5 years
4 TB, M.2, 22x80, PCIe 5.0 4x, 3D TLC NAND, write: 12600 MB/s, read: 14100 MB/s, DRAM buffer, warranty 5 years
4 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 6600 MB/s, read: 7300 MB/s, DRAM buffer, warranty 5 years
4 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 7000 MB/s, read: 7000 MB/s, DRAM buffer, warranty 5 years
4 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 6700 MB/s, read: 7000 MB/s, warranty 5 years
4 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 6900 MB/s, read: 7000 MB/s, warranty 5 years
4 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 6900 MB/s, read: 7400 MB/s, warranty 5 years
4 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 6600 MB/s, read: 7400 MB/s, DRAM buffer, warranty 5 years
4 TB, M.2, 22x80, PCIe 5.0 4x, 3D TLC NAND, write: 11000 MB/s, read: 14000 MB/s, warranty 5 years
4 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 6800 MB/s, read: 7400 MB/s, DRAM buffer, warranty 5 years