Key Specifications
Choose one or multiple features to search for items that have the same specifications.| Technical details | |
| Device type | SSD |
| Weight & dimensions | |
| Weight | 7.5 g |
| Height | 2.38 mm |
| Width | 22 mm |
| Depth | 80 mm |
| Energy management | |
| Operating voltage | 3.3 V |
| 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 | |
| Product colour | Black |
| Product family | WD_Black |
| Features | |
| Drive capacity | 4 TB |
| Interface | PCI Express 4.0 |
| ECC | ![]() |
| Read speed | 7300 MB/s |
| Write speed | 6600 MB/s |
| Hot-Plug support | ![]() |
| S.M.A.R.T. support | ![]() |
| Windows operating systems supported | Windows 10, Windows 11, Windows 8.1 |
| TRIM support | ![]() |
| Random write (4KB) | 1100000 IOPS |
| Random read (4KB) | 1200000 IOPS |
| Component for | Game console |
| Enhanced Power Loss Data Protection technology | ![]() |
| Hardware encryption | ![]() |
| SSD temperature monitoring | ![]() |
| PCI Express interface data lanes | x4 |
| End-to-End Data Protection | ![]() |
| TBW rating | 2400 |
| SSD form factor | M.2 |
| Market segment | Gaming |
| NVMe | ![]() |
| NVMe version | 1.4 |
| Sequential read speed (ATTO) | 7300 MB/s |
| DevSlp (device sleep) support | ![]() |
| Temperature monitoring and logging | ![]() |
| EAN | 0718037891378 |
| Warranty | 2 years |
The WD_BLACK SN850X is an internal solid-state drive utilizing the M.2 2280 form factor, engineered for high-demand applications such as PC gaming and professional workstations. It connects via the PCIe Gen4 x4 interface, providing the high data bandwidth necessary for sustained system performance. Sequential reading speeds peak at 7300 MB/s, with sequential writing reaching 6600 MB/s. This high throughput capability reduces load times significantly for large files and complex application environments.
This model offers 4TB of storage, making it suitable for users maintaining extensive application libraries and large media files. The drive utilizes advanced TLC 3D NAND flash technology, managed by the WD 20-82-20035-B1 controller. Its physical dimensions conform to the standard M.2 2280 specification, facilitating broad compatibility across desktop and laptop systems. Reliability for intensive writing cycles is defined by an endurance rating of 2400 Terabytes Written (TBW).
Key Features:- Storage capacity of 4 TB
- M.2 2280 physical form factor
- PCIe Gen4 x4 interface connection
- NVMe 1.4 protocol support
- Sequential read performance up to 7300 MB/s
- Sequential write performance up to 6600 MB/s
- Random read performance up to 1,200,000 IOPS
- Uses TLC 3D NAND flash technology
- Supports TCG Opal 2.01 security protocols
Estimated delivery: 22.12
Today: 11:00 - 15:00
Estimated delivery: 22.12
Today: 10:00 - 14:00
Estimated delivery: 22.12
Today: Closed
Estimated delivery: 22.12
Today: Closed
Estimated delivery: 22.12
Today: 10:00 - 14:00
Estimated delivery time: 22.12
Estimated delivery time: 23.12
Estimated delivery time: 22.12
Estimated delivery time: 23.12
Estimated delivery time: 23.12
Estimated delivery time: 22.12
Estimated delivery time: 22.12
Estimated delivery time: 23.12
- leaflet (English)


