Western Digital WD Black SSD SN850X, 4 TB M.2 NVMe SSD
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Product Code: UDHO-1348
MPN #: WDS400T2XHE-00BCA0
Out Of Stock
UK Free Shipping UK Free Shipping over £249
Product Code: UDHO-1348
MPN #: WDS400T2XHE-00BCA0
Built for elite gaming.
Crush load times and slash throttling, lagging, and texture pop-ins with the WD_BLACK SN850X NVMe™ SSD. Available in capacities of 1TB up to 8TB, this gaming drive is built for top-tier performance. With 7,300MB/s1 speeds (1TB - 4TB models) and a heatsink option to maintain performance, you can enjoy your favorite games without worrying about lag. Plus, the downloadable WD_BLACK Dashboard (Windows® only) can automatically turn on Game Mode 2.0 features. The WD_BLACK SN850X NVMe™ SSD delivers a smooth, fast experience —and the innovations that let you compete at your absolute peak.
Gain the Ultimate Gaming Edge
Insane speeds up to 7,300 MB/s (1TB - 4TB models) deliver top-tier performance with ridiculously short load times — for the elite gaming experience you’ve been waiting for.
Heatsink for the Win
All capacities have an optional heatsink version that's not only eye-catching, but also helps your rig maintain peak performance through your most intense gaming sessions.
More Room for More Games
Capacities up to 8TB built with Western Digital TLC 3D NAND, means you get to keep more games at the ready — and get into the action even faster.
Do more with WD_BLACK Dashboard
The downloadable WD_BLACK Dashboard (Windows® only) monitors your drive’s health, lets you customize your RGB lighting, and, exclusively on the SN850X SSD, enables Game Mode 2.0 to transform your gaming experience.
Future-forward features
The WD_BLACK SN850X SSD boasts a powerful suite of features, including Predictive Loading, Overhead Balancing, and Adaptive Thermal Management.
DirectStorage Supported
Improve load times and get precious time back with Microsoft® DirectStorage technology.
| Features | |
| TBW rating | 2400 |
| Windows operating systems supported | Windows 10, Windows 11 |
| PCI Express interface data lanes | x4 |
| Random write (4KB) | 1100000 IOPS |
| Random read (4KB) | 1200000 IOPS |
| Write speed | 6600 MB/s |
| Read speed | 7300 MB/s |
| Hardware encryption | No |
| Component for | PC |
| NVMe | Yes |
| Interface | PCI Express 4.0 |
| SSD form factor | M.2 |
| SSD capacity | 4 TB |
| Weight & dimensions | |
| Weight | 30.4 g |
| Height | 10.4 mm |
| Depth | 80 mm |
| Width | 24.3 mm |
| Operational conditions | |
| Maximum operating temperature | 85 °C |
| Minimum operating temperature | 0 °C |
| Storage temperature (T-T) | -40 - 85 °C |
| Operating temperature (T-T) | 0 - 85 °C |
| Other features | |
| Operating temperature (T-T) | 0 - 85 °C |
| Warranty period | 5 year(s) |
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