WD Black SN850X 4TB M.2 PCIe 4.0 NVMe SSD with Heatsink
Key Specifications
Choose one or multiple features to search for items that have the same specifications.| Technical details | |
| Device type | SSD |
| Weight & dimensions | |
| Weight | 30.4 g |
| Height | 10.4 mm |
| Width | 24.3 mm |
| Depth | 80 mm |
| Operational conditions | |
| Storage temperature (T-T) | -40 - 85 °C |
| Operating temperature (T-T) | 0 - 85 °C |
| Maximum operating temperature | 85 °C |
| Minimum operating temperature | 0 °C |
| Other features | |
| Warranty period | 5 year(s) |
| Features | |
| Drive capacity | 4 TB |
| Interface | PCI Express 4.0 |
| Certification | BSMI, CAN ICES-3(B)/NMB-3(B), CE, FCC, KCC, Morocco, RCM, TUV, UL, VCCI |
| Read speed | 7300 MB/s |
| Write speed | 6600 MB/s |
| Windows operating systems supported | Windows 10, Windows 11 |
| Random write (4KB) | 1100000 IOPS |
| Random read (4KB) | 1200000 IOPS |
| Component for | PC |
| Hardware encryption | ![]() |
| PCI Express interface data lanes | x4 |
| TBW rating | 2400 |
| SSD form factor | M.2 |
| Market segment | Gaming |
| NVMe | ![]() |
| Sequential read speed (ATTO) | 7300 MB/s |
| M.2 SSD size | 2280 (22 x 80 mm) |
| EAN | 0718037901480 |
| Warranty | 1 year |
The Western Digital WD_BLACK SN850X is a high-performance internal solid-state drive with a 4TB capacity designed for demanding gaming PCs and workstations. This storage device utilizes the M.2 2280 form factor and operates via the PCIe Gen4 x4 interface, delivering the high bandwidth required for intensive computing tasks. The drive achieves sequential read speeds up to 7,300 MB/s and sequential write speeds up to 6,600 MB/s, which facilitates rapid game loading and efficient handling of large media assets.
To sustain these elevated speeds during extended periods of use, this specific model incorporates an integrated heatsink for active thermal management. This cooling system is necessary to prevent thermal throttling, ensuring consistent performance continuity during heavy system load. Built with TLC 3D NAND technology, the SN850X configuration provides a substantial endurance rating of 2,400 Terabytes Written (TBW), guaranteeing durability and longevity for users with high data transfer requirements.
Key Features:- 4 TB storage capacity
- M.2 2280 standard form factor
- Interface utilizes PCIe Gen4 x4 and NVMe protocol
- Sequential read speed up to 7300 MB/s
- Sequential write speed up to 6600 MB/s
- Integrated heatsink for thermal regulation
- Random read performance up to 1,200,000 IOPS
- Random write performance up to 1,100,000 IOPS
- 2400 TBW endurance rating
Estimated delivery: 16.12 - 22.12
Today: 10:00 - 18:00
Estimated delivery: 16.12 - 22.12
Today: 09:00 - 17:00
Estimated delivery: 16.12 - 22.12
Today: 10:00 - 17:00
Estimated delivery: 16.12 - 22.12
Today: 10:00 - 18:00
Estimated delivery: 16.12 - 22.12
Today: 10:00 - 17:00
Estimated delivery time: 16.12 - 22.12
Estimated delivery time: 17.12 - 22.12
Estimated delivery time: 16.12 - 21.12
Estimated delivery time: 17.12 - 22.12
Estimated delivery time: 17.12 - 21.12
Estimated delivery time: 16.12 - 22.12
Estimated delivery time: 16.12 - 22.12
Estimated delivery time: 17.12 - 21.12
- leaflet (English)


