WD_BLACK SN850X 2TB NVMe SSD
The WD_BLACK SN850X 2TB is a high-performance internal NVMe solid-state drive engineered for gaming PCs, workstations, and PlayStation 5 consoles. It delivers sequential read speeds up to 7,300 MB/s and write speeds up to 6,600 MB/s, backed by a dedicated DRAM cache that sets it apart from DRAMless competitors. The drive targets gaming enthusiasts and power users who demand consistent throughput, low latency, and enough capacity to house a large game library without compromise.
Technical Specifications
| Specification | Detail |
|---|---|
| Model Number | WDS200T2X0E |
| Capacity | 2 TB |
| Form Factor | M.2 2280 |
| Interface | PCIe Gen 4.0 x4 (backwards compatible with Gen 3) |
| Protocol | NVMe 1.4 |
| NAND Type | 112-layer BiCS5 3D TLC NAND |
| Cache | 2 GB LPDDR4 DRAM |
| Sequential Read | Up to 7,300 MB/s |
| Sequential Write | Up to 6,600 MB/s |
| Random Read | Up to 1,200,000 IOPS |
| Random Write | Up to 1,100,000 IOPS |
| Endurance (TBW) | 1,200 TBW |
| Heatsink Option | Available separately (with optional RGB lighting) |
| Warranty | 5-year limited |
Note: The SN850X is available in a standard M.2 version and an optional heatsink variant with RGB lighting. The heatsink version helps sustain peak performance during prolonged intensive sessions. Both variants share identical performance ratings.
Use Cases & Applications
High-End Gaming PCs: The WD_BLACK SN850X 2TB NVMe SSD suits demanding desktop builds where consistent peak performance matters. Microsoft DirectStorage technology support improves load times in compatible titles, reducing texture pop-in and shortening level transitions in open-world games. Furthermore, pairing the drive with a RAM upgrade amplifies system-wide responsiveness, particularly in CPU-intensive gaming and simulation workloads.
PlayStation 5 Storage Expansion: The PS5’s internal M.2 slot accepts PCIe Gen 4 NVMe drives. The SN850X is a well-suited option for PS5 owners who need additional storage beyond the console’s factory 825 GB drive. The 2TB capacity accommodates a large library of modern titles without requiring frequent deletions.
Content Creation and Video Editing: The SN850X delivers up to 7.3 GB/s read and 6.6 GB/s write in sequential transfers, which accelerates large video file imports, project scrubbing, and export renders. The DRAM cache ensures these speeds hold up under sustained workloads, not just in short burst scenarios. StorageReview
Workstation and Developer Use: In application testing, the SN850X showed strong latency performance, placing it near the top of comparable Gen 4 consumer drives. Developers running virtual machines, compiling large codebases, or working with containerised environments benefit from the drive’s consistent random I/O performance. StorageReview
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