WD_Black SN850X 8TB NVMe SSD with Heatsink - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s Write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS800T2XHE
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Availability:
Only 2 left in stock, order soon!
Arrives
Monday, Mar 30
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Capacity: 8TB
Style: SN850X w/ Heatsink
Features
- TRANFORM YOUR PC: Insane speeds up to 7,300MB/s (1TB - 4TB models) deliver top-tier performance with ridiculously short load times for your gaming PC or workstation for the elite experience youve been waiting for.
- MORE ROOM FOR MORE GAMES: Capacities up to 8TB built with SANDISK TLC 3D NAND, means you get to keep more games at the ready and get into the action even faster.
- HEATSINK FOR THE WIN: The WD_BLACK SN850X NVMe SSD 1TB and 2TB drives have an optional heatsink version that not only looks awesome but also helps your rig maintain peak performance through the most intense gaming sessions.
- DO MORE WITH WD_BLACK DASHBOARD: The downloadable WD_BLACK Dashboard (Windows only) monitors your drives 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 FREATURES: The WD_BLACK SN850X SSD boasts a powerful suite of features, including Predictive Loading, Overhead Balancing, and Adaptive Thermal Management (ATM).
- POWERED BY SANDISK: The WD_BLACK, WD Blue, and WD Green flash products are manufactured by Sandisk Technologies, Inc. or its affiliates and distributed under license from Western Digital Corporation.
Description
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/s speeds (1TB - 4TB models) and a heatsink option to maintain performance, you can enjoy your favorite games without worrying about lag. Plus, the downloadable SANDISK 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. POWERED BY SANDISK
Digital Storage Capacity: 8 TB
Hard Disk Interface: PCIE x 4
Connectivity Technology: NVMe
Brand: Sandisk
Special Feature: Heatsink
Hard Disk Form Factor: 2280 Centimeters
Hard Disk Description: Solid State Drive
Compatible Devices: Laptop, Motherboards, PS5
Installation Type: Internal Hard Drive
Color: Black
Hard Drive: 8 TB Solid State Drive
Brand: Sandisk
Series: WD_BLACK SN850X NVMe SSD with Heatsink
Item model number: WDS800T2XHE
Hardware Platform: PC
Item Weight: 0.303 ounces
Product Dimensions: 3.16 x 0.93 x 0.35 inches
Item Dimensions LxWxH: 3.16 x 0.93 x 0.35 inches
Color: Black
Flash Memory Size: 8 TB
Hard Drive Interface: PCIE x 4
Manufacturer: Sandisk Technologies, Inc.
Date First Available: August 5, 2024
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Mar 30
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Capacity: 2TB
Style: SN850X w/ Heatsink
Upgraded to the WD_BLACK 2TB SN850X NVMe from a Gen 3 SSD, and the difference is massive. This drive delivers exactly what it promises — insane speeds, great thermal performance, and rock-solid reliability. Speed & Performance: Right out of the box, I was getting read/write speeds over 7,000 MB/s, matching advertised specs. Game load times are almost instant, and large file transfers (like 4K video or game installs) finish in seconds. Perfect for my gaming rig and content creation workflow. Gaming Benefits: Games launch faster, textures stream without stutter, and overall system responsiveness is noticeably smoother. If you’re using Windows 11 with DirectStorage support, this drive is built to take advantage of it. Thermals: I bought the version with the heatsink, and it’s doing a great job keeping temps in check. Even under sustained load, it stays cool and doesn’t throttle. If you’re using this in a cramped case or PS5, definitely get the heatsink version. Installation: Easy to install in my ATX motherboard. Plug it in, screw it down, format in Disk Management, and you’re good to go. Final Thoughts: ✅ Fast, future-proof PCIe Gen 4 performance ✅ Great for gaming, productivity, and OS drive ✅ Reliable WD quality ✅ Excellent price-to-performance ratio If you’re looking for a top-tier Gen 4 NVMe SSD, the SN850X is an absolute no-brainer. Would buy again in a heartbeat.
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Reviewed in the United States on September 22, 2025 by Kayla Mom Kayla Mom
Capacity: 4TB
Style: SN850X
Great quality and reliable functionality that you'd expect from Western Digital. The capacity is amazing, it has blazing fast read/write speeds, and installation was a breeze as it fits a standard M.2 socket. I was able to immediately initialize and partition it for use after installing it. This went into my laptop, so it obviously changed nothing externally and added only a few grams to the weight. It's pricey, but I'd rather get a good one from a brand I trust than just go with the cheapest option available.
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Reviewed in the United States on January 4, 2026 by MattB
Capacity: 2TB
Style: SN850X w/ Heatsink
This SSD with Heatsink has been an absolutely massive upgrade over my previous SSD. Installation was quick and straightforward, and the performance difference was immediately noticeable. Boot times are faster, games and applications load almost instantly, and overall system responsiveness is on a whole new level. I really love the built in heatsink. It looks great, fits perfectly, and does an excellent job keeping temperatures under control even during heavy use. It’s nice not having to worry about thermal throttling or buying a separate cooling solution. The only downside is that it didn’t come with a mounting screw to secure it to the motherboard. It’s a small thing, but worth noting, thankfully most motherboards include one. Overall, this is a top tier SSD that delivers incredible speed, great thermals, and premium build quality. Highly recommended for anyone looking to seriously upgrade their system.
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Reviewed in the United States on December 28, 2025 by Amazon Customer
Capacity: 1TB
Style: SN850X
The WD_BLACK SN850X 1TB NVMe SSD delivers outstanding speed and performance. Boot times are noticeably faster, games and applications load almost instantly, and overall system responsiveness feels dramatically improved. Installation was simple, and the drive runs reliably even under heavy workloads. It’s a fantastic upgrade for gaming rigs or productivity setups and offers excellent value for such high-end performance.
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Reviewed in the United States on January 12, 2026 by Pedro Guimaraes
Capacity: 2TB
Style: SN850X w/ Heatsink
The Western Digital WD_BLACK SN850X 2TB NVMe SSD with Heatsink absolutely impressed me. Install was quick, and boot times plus game and file load speeds dropped dramatically right away. The drive feels incredibly responsive and consistent under heavy workloads. The built-in heatsink is a huge plus — temps stay controlled even during long gaming or editing sessions, with no throttling issues. Build quality feels premium, and the 2TB capacity is perfect for modern game libraries or large projects. Fast, reliable, and thoughtfully engineered — exactly the kind of high-performance tech I enjoy testing and recommending.
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Reviewed in the United States on February 20, 2026 by Benjamin Butters
Capacity: 4TB
Style: SN850X
I’ve been using this drive for a few months, and it’s easily one of the fastest and most stable Gen4 SSDs I’ve tested. Benchmarks reached 7,133 MB/s read and 4,169 MB/s write in performance mode — right in line with WD’s specs. Even under load, it maintained around 6,500 MB/s read and 3,600 MB/s write, showing great consistency. For testing purposes, I also ran a power-saving “stress” scenario that intentionally limited performance to simulate extreme throttling. Those results were only for analysis — customers will never experience that kind of slowdown in normal use. Thermals stay solid with a basic heatsink (mid-50 °C), and there’s no throttling during long transfers. The WD Dashboard software is easy to use and adds an optional Gaming Mode for max speed. ⚖️ Pros: - Reaches full Gen4 performance (7,000+ MB/s reads) - Excellent sustained write speed and thermal stability - Rock-solid reliability for OS, games, or content creation - Intuitive WD Dashboard software ⚠️ Cons: - Can run warm without heatsink - Requires a PCIe Gen4 slot and good airflow for full speed 🏁 Final Thoughts: The WD_BLACK SN850X is a premium SSD that lives up to its reputation. Under the right conditions, it delivers near-theoretical Gen4 speeds and flawless stability. Even in multitasking or gaming scenarios, performance stays consistent and responsive. The “low” benchmark results included here were testing artifacts—stress conditions designed to show how power management affects throughput, not what normal users should expect. In everyday use, this drive is exceptionally fast, reliable, and built to last. ✅ Verdict: A flagship-level NVMe SSD that rewards systems tuned for performance. Highly recommended for gamers, developers, and creators who want speed with zero compromise.
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Reviewed in the United States on October 18, 2025 by R. Ortiz R. Ortiz