
WD_BLACK SN850X 4TB SSD, M.2 2280 NVMe SSD, Read speeds up to 7300 MB/s, Write speeds up to 6,600 MB/s, Gaming Expansion SSD, PCIe Gen4 NVMe, High Performance Internal SSD, Black
The WD_BLACK SN850X 4TB SSD is an outstanding choice for gamers and PC enthusiasts seeking unparalleled performance and reliability. Its impressive specifications and features make it a worthy investment for anyone looking to enhance their system.
Overview
The WD_BLACK SN850X 4TB SSD is a cutting-edge M.2 2280 NVMe SSD designed specifically for gamers and high-performance PC users. With astonishing read speeds of up to 7300 MB/s and write speeds reaching 6600 MB/s, this SSD ensures that users can load games and applications faster than ever before. Its PCIe Gen4 interface maximises performance, allowing for seamless gameplay and quick access to data.
Equipped with advanced features such as the latest Game Mode, the SN850X enhances PC performance by predicting loads and preparing resources in advance. This results in reduced latency, minimised stutters, and a smoother gaming experience. The sleek black design not only looks great but also fits perfectly into any gaming rig, making it an ideal choice for those looking to upgrade their storage solutions.
Amazon Price History
We’ve been tracking Amazon prices for the WD_BLACK SN850X 4TB SSD, M.2 2280 NVMe SSD, Read speeds up to 7300 MB/s, Write speeds up to 6,600 MB/s, Gaming Expansion SSD, PCIe Gen4 NVMe, High Performance Internal SSD, Black (B0B7CQ2CHH) over the past day, providing a detailed history of its price fluctuations.
Condition | Lowest Price | Highest Price | Last Price | Average Price |
---|---|---|---|---|
New | £202.75 31/03/2025 | £267.40 23/03/2025 | £254.46 15/04/2025 | £250.23 |
Used | £192.00 01/04/2025 | £257.03 29/01/2025 | £246.81 15/04/2025 | £239.73 |
* The Seek Monkey monitors individual Amazon product prices for products in 2 specific conditions: New, Used. If any of the conditions are not in the table above, it means there were no offers for that condition.
See also

WD_BLACK SN850X 1TB SSD, M.2 2280 NVMe SSD, Read speeds up to 7300 MB/s, Write speeds up to 6,300 MB/s, Gaming Expansion SSD, PCIe Gen4 NVMe, High Performance Internal SSD, Black

WD_BLACK SN850X 2TB SSD, M.2 2280 NVMe SSD, Read speeds up to 7300 MB/s, Write speeds up to 6,600 MB/s, Gaming Expansion SSD, PCIe Gen4 NVMe, High Performance Internal SSD, Black
Product Details
Check some product details below and make sure you are buying the right product.
Category | PC & Video Games |
Product Group | Personal Computer |
Brand | WD_BLACK |
Color | Black |
Manufacturer | Western Digital |
Binding | Personal Computers |
Unit Count | 1 |
Formats | Digital |
EAN | 7180378913782, 0718037891378 |
UPC | 718037891378 |
Item Part Number | WDS400T2X0E |
Model | WDS400T2X0E |
Warranty | 5 year manufacturer |
Languages | Spanish |
Release Date | 7 August 2022 |
Target Audience
- 1. Gamers
- 2. PC builders
- 3. Content creators
- 4. Tech enthusiasts
Features
Lightning-fast read speeds of up to 7300 MB/s and write speeds of 6600 MB/s ensure rapid data access and transfer.
Utilises PCIe Gen4 NVMe technology to deliver ultra-fast performance, making it ideal for gaming and high-performance tasks.
Advanced Game Mode with load prediction optimises resource management for smoother gameplay.
Extremely low latency reduces stutters and lag, providing a seamless gaming experience.
Sleek black design complements any gaming setup while maintaining a compact form factor.
Size, Weight and Dimensions
Check information about size, weight and dimensions of this product.
Use Cases
- Gamers looking to enhance their gaming experience by reducing load times and improving overall system responsiveness.
- PC builders and enthusiasts who require high-speed storage for demanding applications and large game libraries.
- Content creators needing fast read and write speeds for video editing and rendering tasks.
Pros and Cons
Check out the pros and cons of this product and make your own decision.

Good
Incredibly fast read and write speeds significantly reduce load times.
PCIe Gen4 technology maximises performance for demanding applications.
Game Mode feature optimises performance for gaming, enhancing the overall experience.
Compact M.2 2280 form factor fits easily into most modern motherboards.
5-year manufacturer warranty provides peace of mind.

Bad
Higher price point compared to traditional SSDs.
Requires a compatible motherboard to take full advantage of PCIe Gen4 speeds.
Is it worth it?
The WD_BLACK SN850X 4TB SSD is a game-changer for anyone serious about gaming or high-performance computing. With its exceptional speed and advanced features, it elevates the user experience to new heights. Investing in this SSD means investing in a future-proof solution that will keep pace with the demands of modern gaming and computing.
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