Western Digital WD Black SSD SN850X 8 TB PC Internal SSD | NVMe PCI Express 4.0 M.2
KEY FEATURES
- Get top-tier performance and ridiculously short load times for your gaming PC or workstation
- High capacities built with Western Digital TLC 3D NAND so you get to download more games
- Optional heatsink version to help maintain peak performance through your most intense gaming sessions
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Frequently Asked Questions

Western Digital WD Black SSD SN850X 8 TB PC Internal SSD | NVMe PCI Express 4.0 M.2
Description
Western Digital WD Black SSD SN850X. SSD capacity: 8 TB, SSD form factor: M.2, Read speed: 7200 MB/s, Write speed: 6600 MB/s, Component for: PC
Built for elite gaming.
Crush load times and slash throttling, lagging, and texture pop-ins with the WD_BLACK SN850X NVMe™ SSD. Available in capacities of 1TB up to 8TB, this gaming drive is built for top-tier performance. With 7,300MB/s1 speeds (1TB - 4TB models) and a heatsink option to maintain performance, you can enjoy your favorite games without worrying about lag. Plus, the downloadable WD_BLACK Dashboard (Windows® only) can automatically turn on Game Mode 2.0 features. The WD_BLACK SN850X NVMe™ SSD delivers a smooth, fast experience —and the innovations that let you compete at your absolute peak.
Gain the Ultimate Gaming Edge
Insane speeds up to 7,300 MB/s (1TB - 4TB models) deliver top-tier performance with ridiculously short load times — for the elite gaming experience you’ve been waiting for.
Heatsink for the Win
All capacities have an optional heatsink version that's not only eye-catching, but also helps your rig maintain peak performance through your most intense gaming sessions.
More Room for More Games
Capacities up to 8TB built with Western Digital TLC 3D NAND, means you get to keep more games at the ready — and get into the action even faster.
Do more with WD_BLACK Dashboard
The downloadable WD_BLACK Dashboard (Windows® only) monitors your drive’s health, lets you customize your RGB lighting, and, exclusively on the SN850X SSD, enables Game Mode 2.0 to transform your gaming experience.
Future-forward features
The WD_BLACK SN850X SSD boasts a powerful suite of features, including Predictive Loading, Overhead Balancing, and Adaptive Thermal Management.
DirectStorage Supported
Improve load times and get precious time back with Microsoft® DirectStorage technology.
Feature
Easy 14 days Returns
Eligible for Next day Delivery
100% Money-back guarantee
24/7 Customer support
Secure payment method
Shipping Information
- Next Business Day: £6.99
- 2 days Delivery: £4.99
- 3- 5 Days Shipping: £3.99
- Orders Over £99.00: Free Standard Delivery
Features | |
---|---|
TBW rating | 4800 |
Windows operating systems supported | Windows 10, Windows 11 |
PCI Express interface data lanes | x4 |
Random write (4KB) | 1200000 IOPS |
Random read (4KB) | 1200000 IOPS |
Write speed | 6600 MB/s |
Read speed | 7200 MB/s |
Hardware encryption | No |
Component for | PC |
NVMe | Yes |
Interface | PCI Express 4.0 |
SSD capacity | 8 TB |
SSD form factor | M.2 |
Operational conditions | |
---|---|
Maximum operating temperature | 85 °C |
Minimum operating temperature | 0 °C |
Storage temperature (T-T) | -40 - 85 °C |
Operating temperature (T-T) | 0 - 85 °C |
Technical details | |
---|---|
Warranty period | 5 year(s) |
Weight & dimensions | |
---|---|
Weight | 30.4 g |
Height | 10.4 mm |
Depth | 80 mm |
Width | 24.3 mm |
Frequently Asked Questions
When will it arrive?
Any order over £99 wil be shipped on our free 2-3 working day service, if you opt for Next Working Day shipping then this will be with you the next working day between 09:00 and 18:00. Deliveries to Northern Ireland, Channel Islands and the Scottish Highlands will be on a 3 day service.
Do you offer a credit account?
We offer credit accounts to Gotraka Business customers, please enquire with our customer support team for more information. Credits accounts are subject to KYC.
How long is the returns policy?
For most products bought online, you have a legal right to change your mind within 14 days and receive a refund. If you wish to return unwanted products, you must let us know that you want to return them within 14 calendar days from the day after delivery. The item must also be returned to us within 7 working days from approval of return and receipt of the return label.
How long will it take to receive my order?
This is something that we are working hard to bring to you - we recognise that having deliveries on preferred days not only makes it easier for you but it is also great for the environment. By having deliveries arranged on days that you are going to be in or consolidating your orders to arrive to you at the same time means that the courier won't need to come back multiple times due to missed deliveries or multiple deliveries.
Can I change my delivery address once the order has been placed?
Our systems are highly automated, where possible we will do our utmost to accommodate this. To ensure we maintain a high delivery success rate most of our orders are picked and prepped for shipment within 30 minutes
How do I return my order?
If you need to return your order please raise a return through your order page detailing the reason for return. Once this form has been submitted it will be reviewed by the Returns Department who will contact you to arrange the return.
Please note the returns department may ask for more information such as the serial number(s) and images where applicable to process the return.
How long do I have to return an item?
For most products bought online, you have a legal right to change your mind within 14 days and receive a refund. If you wish to return unwanted products, you must let us know that you want to return them within 14 calendar days from the day after delivery. The item must also be returned to us within 7 working days from approval of return and receipt of the return label
Are returns free?
Returns for faulty / damaged items will be free of charge
Returns for unwanted items that have no fault will incur a minimal returns fee - delivery charges will not be refunded
Can’t find what you’re looking for?
Our friendly support team is just a message away, ready to assist with anything. Our team is experienced with gaming gear, home tech, and everything in between—feel free to reach out.
📧 Email: help@gotraka.com
📞 Phone: 020 8208 1234
💬 Live Chat: Available 9 AM – 6 PM ( Monday - Friday )