WD Black SN850X WDS100T2X0E 1 TB without radiator
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Top solution in the Western Digital storage lineup, created for gamers, creators, and enthusiasts who value not just high speed, but a precise combination of architecture, reliability, and thoughtful cooling. This is the 2022 flagship built on the proprietary SanDisk hardware platform, showcasing outstanding performance in the PCIe 4.0 class. The device is based on the SanDisk 20-82-20035-B2 controller—an exclusive Western Digital development, optimized for its own firmware and architecture.
This approach allows for more stable and predictable performance, as well as more efficient caching and power management across different scenarios—from gaming to video streaming. The maximum read speed reaches 7300 MB/s, and write speed—up to 6300 MB/s, making the drive confidently rank among the fastest models among consumer Gen4 solutions. High performance is supported not only in linear operations but also in random access: up to 1.1 million IOPS in writing and up to 800 thousand IOPS in reading, rendering the device effective for multitasking and heavy load on the file system.
Despite the use of 3D QLC NAND, the WD Black SN850X demonstrates an impressive endurance rating—600 TBW, and reliability compliant with the standard: 1.77 million hours MTBF. Additional stability under high loads is provided by the DRAM buffer, enhancing the efficiency of handling large amounts of data and minimizing delays in complex scenarios. Besides all stated, the manufacturer emphasizes the use of a thin graphene heatsink and an official 5-year warranty.
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 WD 2026 - new arrivals, bestsellers, and the most relevant models WD.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog WD 2026 - new arrivals, bestsellers, and the most relevant models WD.
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 WD Black SN850X WDS100T2X0E 1 TB without radiator
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| £169.99 |  | ||||
Western Digital Black WDBLACK SN850X NVMe M.2 PCI WDS100T2X0E-00BCA0 | £186.70 |  | |||
Western Digital CF39313 | £200.99 |  | |||
Western Digital Black SN850X NVMe 1 TB M.2 PCI WDBB9G0010BNC-WRSN | £202.86 | | |||
Western Digital Black SN850X 1TB NVMe SSD - WDS100T2X0E WDS100T2X0E | £211.99 |  | |||
10 more offer(s)
Series WD Black (consumer high class)Compare using chart →
2 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 6900 MB/s, read: 7250 MB/s, warranty 5 years
1 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 6900 MB/s, read: 7250 MB/s, warranty 5 years
2 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 6600 MB/s, read: 7300 MB/s, DRAM buffer, warranty 5 years
1 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 6300 MB/s, read: 7300 MB/s, DRAM buffer, warranty 5 years
8 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 6600 MB/s, read: 7200 MB/s, DRAM buffer, warranty 5 years
500 GB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 5800 MB/s, read: 6800 MB/s, warranty 5 years
1 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 6300 MB/s, read: 7300 MB/s, DRAM buffer, warranty 5 years
2 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 6600 MB/s, read: 7300 MB/s, DRAM buffer, warranty 5 years
1 TB, M.2, 22x80, PCIe 5.0 4x, 3D TLC NAND, write: 11000 MB/s, read: 14900 MB/s, 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
1 TB, M.2, 22x30, PCIe 4.0 4x, 3D TLC NAND, write: 4900 MB/s, read: 5100 MB/s, warranty 5 years
2 TB, M.2, 22x30, PCIe 4.0 4x, 3D TLC NAND, write: 4850 MB/s, read: 5150 MB/s, warranty 5 years
2 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 6600 MB/s, read: 7300 MB/s, warranty 5 years
2 TB, M.2, 22x80, PCIe 5.0 4x, 3D TLC NAND, write: 14000 MB/s, read: 14900 MB/s, 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: 6600 MB/s, read: 7300 MB/s, warranty 5 years
1 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 5300 MB/s, read: 7000 MB/s, 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
1 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 5300 MB/s, read: 7000 MB/s, warranty 5 years
Model overview based on user reviews
WD Black SN850X is a high-performance PCIe 4.0 NVMe SSD aimed at gaming PCs and PS5 systems. It delivers strong sequential and random performance, improved write behavior over the previous SN850, and offers capacities up to 8 TB. Sustained workloads can produce high temperatures, especially without a heatsink, while Game Mode 2.0 currently provides limited and workload-dependent benefits.
Pros
Cons
A good SSD that is on par with the KC3000, but runs hotter. It's almost the same drive, but with some minor drawbacks in terms of temperature. The drive itself is quite high-quality and maintains normal temperatures under the motherboard's secondary heat sink. Cache, quality, similarity to KC3000 Temperature in some scenarios  Sriblo: use WD WDS100T2X0E more than year |
Corresponds to the declared speeds Not a bad price/performance ratio I still peeled off the sticker, under the native x570 radiator, after running CrystalDiskMark, it was 5 degrees lower at the peak Dmitriy Mitus: use WD WDS200T2X0E less than month |
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WD Black SN850X WDS100T2X0E configurations
| Price for WD Black SN850X WDS100T2X0E | ||||
|---|---|---|---|---|
 | WD Black SN850X WDS100T2X0E 1 TB without radiator | from £169.99 | 18 offers | |
 | WD Black SN850X WDS100T2XHE 1 TB with radiator | from £139.52 | 7 offers | |
 | WD Black SN850X WDS200T2X0E 2 TB without radiator | from £211.95 | 10 offers | |
| WD Black SN850X WDS200T2XHE 2 TB with radiator | from £350.00 | 8 offers | |
 | WD Black SN850X WDS400T2X0E 4 TB without radiator | from £479.99 | 9 offers | |
| WD Black SN850X WDS400T2XHE 4 TB with radiator | from £544.99 | 4 offers | |
 | WD Black SN850X WDS800T2X0E 8 TB without radiator | from £1,239.98 | 4 offers | |
| WD Black SN850X WDS800T2XHE 8 TB with radiator | from £1,171.40 | 4 offers | |
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We recommendCompare using chart →
1 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 6800 MB/s, read: 7300 MB/s, DRAM buffer, warranty 5 years
1 TB, M.2, 22x80, PCIe 5.0 4x, 3D TLC NAND, write: 10200 MB/s, read: 13600 MB/s, DRAM buffer, warranty 5 years
1 TB, M.2, 22x80, SATA 3, 3D TLC NAND, write: 450 MB/s, read: 521 MB/s, warranty 3 years
1 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 5300 MB/s, read: 7000 MB/s, warranty 5 years
1 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 6300 MB/s, read: 7300 MB/s, 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
1 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 6900 MB/s, read: 7450 MB/s, DRAM buffer, warranty 5 years
1 TB, M.2, 22x80, PCIe 4.0 4x, 3D TLC NAND, write: 6000 MB/s, read: 7000 MB/s, DRAM buffer, warranty 5 years
1 TB, M.2, 22x80, PCIe 5.0 4x, 3D TLC NAND, write: 9500 MB/s, read: 11000 MB/s, warranty 5 years