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Sandisk

WD_Black SN850X 8TB NVMe SSD - 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 - WDS800T2X0E

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Availability: Only 2 left in stock, order soon!
Fulfilled by Amazon
Arrives Wednesday, Apr 1
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Capacity: 8TB


Style: SN850X


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: Solid State


Connectivity Technology: NVMe


Brand: Sandisk


Special Feature: WD_BLACK Dashboard


Hard Disk Form Factor: 22 Millimeters


Hard Disk Description: Solid State Drive


Compatible Devices: Laptop, Motherboards


Installation Type: Internal Hard Drive


Color: Black


Digital Storage Capacity: 8 TB


Hard Disk Interface: Solid State


Connectivity Technology: NVMe


Additional Features: WD_BLACK Dashboard


Hard Disk Form Factor: 22 Millimeters


Compatible Devices: Laptop, Motherboards


Specific Uses For Product: Gaming


Read Speed: 7200 Megabytes Per Second


Media Speed: 6300 MB/s


Cache Memory Installed Size: 8


Data Transfer Rate: 7200 Megabytes Per Second


Form Factor: M.2 2280


Hardware Connectivity: PCI Express x16


Hard-Drive Size: 8 TB


Item Weight: 5 Grams


Number of Items: 1


Unit Count: 1.0 Count


Customer Package Type: Standard Packaging


Brand: Sandisk


Model Number: WDS800T2X0E


Hard Disk Description: Solid State Drive


Built-In Media: 7200, Internal Solid State Drive, Megabytes Per Second


Model Name: WD_BLACK SN850X NVMe SSD


Manufacturer: Sandisk Technologies, Inc.


Global Trade Identification Number: 18


UPC: 718037903118


Warranty Description: 5 year limited warranty


Installation Type: Internal Hard Drive


Color: Black


Enclosure Material: Information Not Available


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Apr 1

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.

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Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Great quality and reliability
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. ... show more
Reviewed in the United States on January 4, 2026 by MattB
    • Lightning-fast, reliable, and built for performance — highly recommended.
Capacity: 4TB Style: SN850X
Review Image by R. Ortiz R. Ortiz
Review Image by R. Ortiz R. Ortiz
Review Image by R. Ortiz R. Ortiz
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. ... show more
Reviewed in the United States on October 18, 2025 by R. Ortiz R. Ortiz
    • Blazing Fast Performance and Excellent Reliability
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. ... show more
Reviewed in the United States on January 12, 2026 by Pedro Guimaraes
    • Perfect upgrade! works flawlessly, fast and without issues.
Capacity: 8TB Style: SN850X
I bought this 8TB drive during black friday 2024 over a year ago for $535 and im so glad i did, it still works perfectly on my gaming laptop where i got almost my whole STEAM library of games installed on it. today Jan 11 2026 with the shortage of Ram and NAND chips this same Drive is listed at $899. this thing is perfect and for a PCIe Gen4 NVME drive this is the best available 8TB Drive. there are others like the Samsung SSD 9100 PRO but that is PCIe Gen5 it is backwards compatible with GEN4 but you are praying a premium for performance you cant use if your motherboard/Device cant use GEN5. ... show more
Reviewed in the United States on January 11, 2026 by SDE Bellisarius
    • Very fast and reliable—big speed boost, still perfect
Capacity: 4TB Style: SN850X
Fast, reliable NVMe drive. Installation was straightforward and it immediately delivered a noticeable speed boost—boot times, large file transfers, and app/game loads are all much quicker. It runs stable with no errors or dropouts, and the 4TB capacity is perfect for keeping everything in one place. Still in perfect condition and working exactly as expected. ... show more
Reviewed in the United States on January 25, 2026 by Angel Esteva
    • Fast NVMe SSD with legendary quality -- zero issues after 18 months
Capacity: 4TB Style: SN850X
Not a whole lot to say—this WD_BLACK SN850X 4TB is rock-solid. Installation was dead easy; popped right into the M.2 slot, no drama or BIOS tweaks needed. Game loads, file transfers—everything feels blazing fast compared to my old drive. Legendary WD quality shines through: no crashes, no throttling, no weird errors after 18 months of heavy daily use (gaming, work, storage). It's performed flawlessly in my setup. Great value for the capacity and speed. No complaints at all; if you're upgrading storage, this one's a winner. Would buy again without hesitation. ... show more
Reviewed in the United States on March 14, 2026 by Erick
    • Legit Great
Capacity: 4TB Style: SN850X
This nvme screams with speed and reliability. I run AI models off of it mainly and the load/response times are so good. Super happy with this. Already had a 2TB which has been reliable so I picked up the 4TB as well now.
Reviewed in the United States on March 7, 2026 by RD
    • Fine product, but beware of sketchy sellers
Capacity: 8TB Style: SN850X
Review Image by brwyatt brwyatt
Well, the product is fine. Fast, high capacity. It's great. But it seem some sellers/suppliers are trying to pass-off the 2TB variant as 8TB (see picture), and are just putting a sticker for the 8TB ASIN/SKU on the 2TB box/item. So be warned and check it when you receive it to make sure you got what you actually paid for! ... show more
Reviewed in the United States on November 1, 2025 by brwyatt brwyatt

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