Western Digital Black SN7100 4TB NVMe M.2 2280 SSD (WDS400T4X0E) delivers a dramatic leap in storage performance and capacity for anyone building a high-performance desktop, upgrading a laptop, or outfitting a portable gaming rig. In a compact M.2 2280 package, this drive leverages PCIe 4.0 x4 bandwidth to produce blistering sequential speeds—up to 7,000 MB/s read and 6,700 MB/s write—so systems feel snappier from the moment they boot. With a full 4TB of ultra-fast NVMe storage, the SN7100 gives you the headroom to store huge game libraries, massive media projects, sample libraries and datasets while preserving the responsiveness and thermal efficiency needed for sustained creative and gaming workloads.
Benefits
- Lightning-fast system responsiveness: Reduce game load times, accelerate application launches, and speed through large file transfers. The SN7100’s high sequential and sustained throughput makes everyday tasks and demanding operations feel instant.
- Spacious single-drive solution: A 4TB capacity lets you consolidate your OS, games, work projects and media on a single M.2 SSD—eliminating juggling multiple drives and simplifying storage management for creators and enthusiasts.
- Future-ready performance: PCIe 4.0 x4 compatibility supports next-generation titles, demanding creative suites and increasing AI/compute workloads, extending the useful life of your system and protecting your investment in performance.
- Portable power-efficiency: Engineered to deliver desktop-class throughput in a power-conscious M.2 2280 form factor, the SN7100 is ideal for high-performance laptops, compact desktops and gaming handhelds where space and thermals matter.
- Built for builders and creators: Designed by Western Digital with PC builders, gamers and content creators in mind, this drive combines proven engineering with the compatibility and credentials needed for serious system builds.
- Feature: PCIe 4.0 x4 NVMe performance
- Feature: Massive 4TB capacity
- Feature: Compact M.2 2280 form factor
- Feature: Sustained throughput and low latency
- Feature: Built for gamers, creators and PC builders
Key features
Harness the full bandwidth of PCIe 4.0 x4 for blistering transfer rates. With peak sequential reads up to 7,000 MB/s and writes up to 6,700 MB/s, the SN7100 accelerates load times, media swaps and large-file transfers so workflows move as fast as your ideas.
Store entire game libraries, multi-terabyte video projects, extensive sample collections and large datasets on a single NVMe drive. The 4TB capacity reduces the need to manage multiple drives and lets you keep the files you need at native NVMe speed.
The M.2 2280 design fits modern desktops, small-form-factor PCs and high-performance laptops/handhelds. Enjoy desktop-class speed even in compact systems without compromising on power efficiency or thermal management.
Engineered for consistent performance under sustained loads, the SN7100 maintains high transfer rates during prolonged transfers and demanding creative tasks. Low NVMe latency improves responsiveness for real-time editing, large dataset manipulation and competitive gaming.
Developed by Western Digital for professionals and enthusiasts, this drive is PC Builder Rated and tuned to meet the demands of gaming, content creation and growing AI workloads. Easy to install and broadly compatible, it integrates seamlessly into modern builds and upgrades.
Summary
The Western Digital Black SN7100 4TB NVMe M.2 2280 SSD (WDS400T4X0E) is a performance-first storage solution that blends enormous capacity with cutting-edge PCIe 4.0 speed in a compact package. Whether you’re building a high-end desktop, upgrading a portable workstation, or stocking a gaming handheld, the SN7100 provides the responsiveness, capacity and sustained throughput to accelerate creative workflows and gaming experiences. Choose the SN7100 when you need massive, fast, and efficient storage that keeps pace with the most demanding applications and games.
| Manufacturer | Western Digital |
|---|---|
| Manufacturer Part | WDS400T4X0E |
| UPC | 718037902982 |
| SSD Capacity | 4TB |
| SSD Form Factor | M.2 2280 |
| SSD Seq Speeds | MAX read 7000MB/s, MAX write 6700MB/s |
| SSD Interface | PCI-E 4.0 x4 |
| Manufacturer Warranty | Limited 5 Years |





