WD_BLACK SN850X NVMe SSD
Best high performance storage for serious gamers and content creators.
Experience unparalleled speed and performance with this internal NVMe SSD. Designed to crush load times and eliminate throttling, this drive ensures a seamless gaming and high-performance computing experience. Available in capacities up to 8TB, it offers ample space for your games, applications, and large files. It utilizes the NVMe PCIe Gen4 interface for blazing-fast sequential read speeds, minimizing lag and texture pop-ins. Its robust design and compatibility with major operating systems make it a top choice for serious gamers and power users seeking the ultimate storage solution.
$1199.99
Owner Satisfaction
4.6
/ 5
Category Rank
411
/ 4142
#411 in Hard Drives
Price vs Category Average
+127%
Above average
Model Number
40020000
/ WDSTXE-BCA
Who it's for
- Serious gamers, professional content creators, performance enthusiasts.
- Competitive gamers, esports players, demanding PC users.
- Users prioritizing data integrity, long-term system builders, professionals.
Who should skip it
- Budget-conscious consumers, casual users, value-oriented buyers.
- Small form factor PC builders, laptop owners, silent system enthusiasts.
- Older system owners, upgraders with legacy hardware, mainstream users.
Performance breakdown
Sequential Read Speed
Blazing throughput that makes long loading screens a thing of history.
Thermal Management
Advanced controller design keeps performance consistent during intense, sustained gaming sessions.
Storage Capacity
Massive 8TB ceiling accommodates even the largest modern game library collections.
System Responsiveness
Near-instant file access makes OS navigation and application launching feel snappy.
Build Reliability
Five-year warranty coverage provides peace of mind for mission-critical data storage.
Installation Ease
Standard M.2 2280 form factor ensures a simple drop-in upgrade process.
Key Specs
Model Number
WDS400T2X0E-00BCA0
Capacity
4TB
Interface
NVMe PCIe Gen4 x4
Sequential Read Performance
7300MB/s
Warranty
5-Year Limited Warranty
Form Factor
M.2 2280
Intended Use
Gaming, High-performance computing
Operating System Compatibility
Windows, macOS, Linux
Know before you buy
The WD_BLACK SN850X uses the M.2 2280 form factor and a PCIe Gen4 interface. As long as your motherboard or laptop has an available M.2 slot that supports NVMe, it will be compatible, though it is best to check your device manual to ensure it supports Gen4 speeds.
Yes, the SN850X meets the performance requirements for PS5 storage expansion. It is recommended to use a version with an integrated heatsink if you plan to install it in a console to ensure optimal thermal management during long gaming sessions.
PCIe Gen4 offers significantly higher bandwidth compared to Gen3, allowing for the 7300MB/s read speeds seen on this drive. While it is backward compatible with Gen3 slots, you will be limited to the slower speeds of the older interface.
Absolutely. The high sequential read speeds and consistent performance make it an excellent choice for high-performance computing tasks, such as loading large project files or rendering complex 3D assets quickly.
The drive operates at its rated speeds natively via the NVMe protocol. However, you can use the WD_BLACK Dashboard software to monitor drive health, manage firmware updates, and enable a 'Game Mode' that helps maintain peak performance during heavy workloads.
The warranty covers defects in materials and workmanship under normal use for five years from the date of purchase. It does not cover data recovery or damage resulting from accidents, abuse, or unauthorized modifications.
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$1200