WD - BLACK SN850X 8TB Internal SSD PCIe Gen 4 x4 NVMe
Storage Capacity
8000GB
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Specifications
- Storage Capacity8000 gigabytesStorage Drive TypeSSDMaximum Read Speed7200 megabytes per secondMaximum Write Speed6600 megabytes per secondForm FactorM.2 2280Interface(s)PCIe Gen 4 x4
- Key Specs
- Storage Capacity: 8000 gigabytes (Measured in megabytes (MB), gigabytes (GB) and terabytes (TB), this is the amount available for storing files, music, movies, photos and more. The total includes the capacity of the hard disk drive and solid state drive if both are included on the computer.)
- Storage Drive Type: SSD (Traditional, mechanical hard disk drives are the most common type of storage because they're relatively inexpensive and offer huge capacities. However, they also generate both noise and heat. Solid state drives, also known as SSDs, are many times faster than hard disk drives and have no moving parts to wear out, but typically offer less capacity for the same price.)
- Maximum Read Speed: 7200 megabytes per second (The greatest speed at which the device can read information; for example, opening files.)
- Maximum Write Speed: 6600 megabytes per second (The greatest speed at which the device can write information; for example, saving files.)
- Form Factor: M.2 2280
- Interface(s): PCIe Gen 4 x4 (Refers to the types of connections that devices use to interact and communicate with each other.)
- General
- Brand: WD
- Model Number: WDBB9G0080BNC-WRSN
- Product Name: BLACK SN850X 8TB Internal SSD PCIe Gen 4 x4 NVMe
- Capacity
- Storage Capacity: 8000 gigabytes (Measured in megabytes (MB), gigabytes (GB) and terabytes (TB), this is the amount available for storing files, music, movies, photos and more. The total includes the capacity of the hard disk drive and solid state drive if both are included on the computer.)
- Performance
- Storage Drive Type: SSD (Traditional, mechanical hard disk drives are the most common type of storage because they're relatively inexpensive and offer huge capacities. However, they also generate both noise and heat. Solid state drives, also known as SSDs, are many times faster than hard disk drives and have no moving parts to wear out, but typically offer less capacity for the same price.)
- Maximum Read Speed: 7200 megabytes per second (The greatest speed at which the device can read information; for example, opening files.)
- Maximum Write Speed: 6600 megabytes per second (The greatest speed at which the device can write information; for example, saving files.)
- SSD Endurance: 4800 terabytes (The total amount of data that the solid-state drive (SSD) is able to write before it wears out, as specified by the manufacturer. Endurance is limited because the flash on a SSD has a finite number of cycles that it can complete.)
- Heatsink: false (Dissipates heat during intense operation for sustained peak performance.)
- Compatibility
- Internal Or External: Internal
- Product Compatibility: Desktop computers, Laptop computers
- Form Factor: M.2 2280
- Interface(s): PCIe Gen 4 x4 (Refers to the types of connections that devices use to interact and communicate with each other.)
- Operating System Compatibility: Windows
- Features
- Usage: Everyday computing, Gaming, Performance computing
- Memory
- NAND Flash Memory Type: 3D TLC (Single Level Cell (SLC) stores 1 bit of data per memory cell; Multi Level Cell (MLC) stores 2 bits per cell, Triple Level Cell (TLC) 3 bits, and Quad Level Cell (QLC) 4 bits. Vertical NAND (V-NAND) or 3D NAND stores more data by layering cells vertically. Similarly, there are 3D MLC, 3D TLC and 3D QLC stacked cells.)
- Dimensions
- Product Height: 0.15 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
- Product Width: 0.87 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
- Product Weight: 0.019 ounces (The out of box weight of the item.)
- Warranty
- Warranty - Parts: 5 years
- Warranty - Labor: 5 Years
- Other
- UPC: 619659208417
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 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 7,300MB/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 (ATM).
- DirectStorage supported: Improve load times and get precious time back with Microsoft DirectStorage technology.
- Gain the ultimate gaming edge: Insane speeds up to 7,300MB/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 (ATM).
- DirectStorage supported: Improve load times and get precious time back with Microsoft DirectStorage technology.
Whats Included
- BLACK SN850X 8TB Internal SSD PCIe Gen 4 x4 NVMe
- Owner's manual
- BLACK SN850X 8TB Internal SSD PCIe Gen 4 x4 NVMe
- Owner's manual
Q: Is the SSD designed for gaming?
A: This gaming drive is built for top-tier performance so you can enjoy your favorite games without worrying about lag.
Q: What is the storage capacity of the SSD?
A: The storage capacity of the SSD is 8000 gigabytes.
Q: What is the read speed of the SSD?
A: The maximum read speed is 7200 megabytes per second.
Q: Are there any software features that can be used with the SSD?
A: Yes, the WD_BLACK Dashboard (Windows only) can be downloaded and used with this SSD.
Q: What is the warranty period for the SSD?
A: The manufacturer's warranty for parts on this SSD is 5 years.
Q: Can the SSD be used in a desktop computer?
A: This SSD is compatible with desktop computers.
Q: Does the SSD come with a heatsink?
A: This SSD does not come with a heatsink.
A: Hi Brok3n94, As of February 2025, Western Digital has separated into two independent companies and the support process for your Western Digital and Sandisk branded products may have changed. All Hard Drive products remain with Western Digital, and all SSD and Flash products are now supported by Sandisk. We apologize for any confusion or inconvenience. For support of your SSD or Flash product, please contact the SanDisk support team on Social Media handle @sandisk
Compare similar products
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 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.
Reach max performance of PCIe 4.01. Experience longer-lasting, opponent blasting speed. The in-house controller's smart heat control delivers our best power efficiency while maintaining ferocious performance that always keeps you at the top of your game.
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 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.
Strap in for breakneck gaming speeds with the WD_BLACK SN850X NVMe internal SSD. Crush load times and slash throttling, lagging, and model pop-ins for a smooth, fast experience that lets you compete at your absolute peak. This purpose-built gaming drive comes in the capacity of 4TB. With the advanced features of Game Mode 2.0 (Windows only) plus speeds that approach the limits of the PCIe Gen43 interface, the WD_BLACK SN850X NVMe SSD delivers top-tier performance to keep you playing, streaming, recording, and dominating the game.
| Pros for WD - BLACK SN850X 8TB Internal SSD PCIe Gen 4 x4 NVMe | |||
|---|---|---|---|
| Storage Capacity, Reliability | Speed, Performance, Storage, Installation, SSD | Storage Capacity, Performance, Speed | Speed, Storage, Performance, Ease of use, Price |
| Cons for WD - BLACK SN850X 8TB Internal SSD PCIe Gen 4 x4 NVMe | |||
| There were no cons for this product— | Heat, Price | There were no cons for this product— | Heat |
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Reviews
Customer Images
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
- Rated 5 out of 5 stars
Really good
It’s a bit overkill, and there’s not much difference in performance for most tasks, but it’s currently one of the top storage solutions available, with the added benefit of a very large capacity.
Posted by JorgeJ
- Rated 5 out of 5 stars
Smooth Upgrade - 4× 8TB WD Black in RAID 0
Upgraded from a 4×4TB Crucial MX500 RAID 0 array (which was solid in its own right) to four 8TB WD Black SN850s in a RAID 0 configuration for a 32TB setup. The goal was to move away from SATA III bottlenecks—and mission accomplished. Load times are noticeably faster, and shader caching is instant across all titles. No stuttering before, but now everything feels even more seamless and snappy. Setup was clean, drives run cool, and the capacity bump is a huge win. If you're transitioning from SATA to NVMe for gaming installs and live play, this setup delivers real-world gains without compromise.
Posted by Saad
- Rated 5 out of 5 stars
Go Big with the SN850X 8TB
SN850X performs well. I was considering a gen 5, but after reviewing the overall average speed, I felt a 8TB gen 4 was better value than a 4TB Gen 5. Yaay, with 8TB of storage, there is no longer a need to content back and forth between HDD and SDD to manage space!
Posted by DanW
