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WD_BLACK SN850X 4TB PCIe Gen4 NVMe M.2 Gaming SSD – Up to 7,300MB/s High Performance Storage
WD_BLACK SN850X 4TB PCIe Gen4 NVMe M.2 Gaming SSD – Up to 7,300MB/s High Performance Storage
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Take your gaming and professional workloads to the next level with the WD_BLACK SN850X 4TB NVMe SSD, engineered specifically for gamers, enthusiasts, and power users who demand extreme speed and massive storage capacity.
Featuring advanced PCIe Gen4 x4 NVMe technology, the SN850X delivers exceptional performance with sequential read speeds of up to 7,300MB/s, reducing game loading times, improving system responsiveness, and accelerating demanding applications.
With a huge 4TB capacity, this SSD provides enough space for large game libraries, operating systems, creative projects, and professional workloads. Built with Western Digital’s advanced controller technology and optimized firmware, the SN850X delivers consistent performance for high-end gaming PCs and workstations.
Key Features
- Massive 4TB Storage Capacity
- WD_BLACK Gaming Performance SSD
- PCIe Gen4 x4 NVMe Interface
- Up to 7,300MB/s Sequential Read Speed
- Up to 6,600MB/s Sequential Write Speed
- M.2 2280 Compact Form Factor
- Designed for Gaming PCs and Enthusiast Systems
- Microsoft DirectStorage Ready
- Faster Game Loading and Installation
- Advanced Thermal Management
- Supports WD_BLACK Dashboard Software
- High Endurance and Reliability
- 5-Year Limited Warranty
Complete Technical Specifications
| Specification | Details |
|---|---|
| Brand | Western Digital |
| Gaming Brand | WD_BLACK |
| Series | SN850X |
| Model | WDS400T2X0E |
| Capacity | 4TB |
| Product Type | Internal NVMe SSD |
| Form Factor | M.2 2280 |
| Interface | PCIe Gen4 x4 |
| Protocol | NVMe 1.4 |
| NAND Flash | 3D TLC NAND |
| Controller | Western Digital Proprietary Controller |
| DRAM Cache | DRAM Cache |
| Sequential Read Speed | Up to 7,300 MB/s |
| Sequential Write Speed | Up to 6,600 MB/s |
| Random Read IOPS | Up to 1,200,000 IOPS |
| Random Write IOPS | Up to 1,100,000 IOPS |
| Endurance (TBW) | 2,400 TBW |
| MTBF | 1,750,000 Hours |
| Operating Temperature | 0°C – 85°C |
| Storage Temperature | -40°C – 85°C |
| Shock Resistance | 1500G |
| Dimensions | 80 × 22 × 2.38 mm |
| Weight | Approx. 7.5g |
| Power Consumption | Not Available |
| Encryption | AES 256-bit Hardware Encryption |
| Heatsink | Not Included (Heatsink version available separately) |
Read Speed
Up to 7,300 MB/s
Write Speed
Up to 6,600 MB/s
Random Read/Write IOPS
Random Read IOPS: Up to 1,200,000 IOPS
Random Write IOPS: Up to 1,100,000 IOPS
Interface
PCIe Gen4 x4 NVMe 1.4
Compatibility
Compatible with:
- Gaming desktops
- High-performance PCs
- Workstations
- Motherboards with M.2 PCIe NVMe slot
- PlayStation 5 console (with compatible heatsink requirements)
Supports:
- PCIe Gen4 systems (maximum performance)
- PCIe Gen3 systems (performance limited)
Not compatible with M.2 SATA slots.
Package Includes
- 1 × WD_BLACK SN850X 4TB PCIe Gen4 NVMe M.2 SSD
Warranty
5 Years Limited Warranty
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