









🚀 Upgrade to the SSD that leaves loading screens in the dust!
The WD_BLACK SN850X 4TB NVMe SSD by SanDisk delivers elite PCIe Gen4 performance with up to 7,300 MB/s read and 6,600 MB/s write speeds. Designed for gamers and professionals, it offers massive storage capacity, advanced Game Mode 2.0 for optimized load times, and a compact M.2 2280 form factor. Backed by WD_BLACK Dashboard software, it ensures sustained peak performance and drive health monitoring, making it the ultimate high-performance internal SSD for next-level gaming and productivity.











| ASIN | B0B7CQ2CHH |
| Are Batteries Included | No |
| Batteries | 1 Lithium Ion batteries required. |
| Best Sellers Rank | 1,458 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 9 in Internal Solid State Drives |
| Brand | SanDisk |
| Colour | Black |
| Customer Reviews | 4.8 4.8 out of 5 stars (16,710) |
| Date First Available | 8 Aug. 2022 |
| Form Factor | M.2 |
| Guaranteed software updates until | unknown |
| Hard Disk Description | NVMe SSD |
| Hard Drive Interface | Solid State |
| Hard Drive Size | 4 TB |
| Hardware Platform | PC |
| Item Weight | 7.5 g |
| Item model number | WDS400T2X0E |
| Lithium Battery Packaging | Batteries only |
| Lithium Battery Weight | 0.19 Grams |
| Manufacturer | Sandisk Technologies, Inc. |
| Number Of Lithium Ion Cells | 1 |
| Number of Lithium Metal Cells | 1 |
| Product Dimensions | 8 x 2.2 x 0.24 cm; 7.5 g |
| Series | SN850X |
| Voltage | 1 Volts |
B**T
The New Gold Standard for PCIe 4.0 Gaming
The WD_BLACK SN850X in the 2TB capacity is a definitive update to an already legendary line, firmly positioning itself as a top-tier performer in the PCIe Gen 4 NVMe market. For any modern enthusiast or power user—especially gamers running large titles on a high-performance system like my Windows machine, Gengar—this drive provides a tangible upgrade in responsiveness, load times, and overall system snappiness. Blazing Speed and Consistent Performance The advertised sequential read speed of up to 7,300 MB/s is backed up by equally impressive sequential writes of up to 6,600 MB/s (for the 2TB model). These speeds are pushing the theoretical limits of the PCIe 4.0 interface. Gaming Load Times: The most noticeable benefit is the near-instantaneous loading of huge environments in modern games. The drive's strong random read/write IOPS performance (up to 1,200K/1,100K) means not only do sequential transfers fly, but the small-file operations that govern OS responsiveness and application launching are incredibly fast. Sustained Transfers: Unlike some budget drives that choke after transferring a large file, the SN850X maintains its blistering speed. This is crucial for content creators or engineers who frequently move massive media libraries or project files. Endurance and Longevity The 2TB model is rated for 1,200 TBW (Terabytes Written), backed by a 5-year limited warranty. This endurance rating is excellent for a consumer drive and offers significant peace of mind. Given that the average user rarely hits these thresholds, this drive is built to last far beyond the typical upgrade cycle. Form Factor and Management The standard M.2 2280 form factor makes installation straightforward in nearly any desktop or laptop supporting PCIe Gen 4. For those installing into systems with limited airflow, the non-heatsink version is sleek and easily fits under a motherboard's built-in M.2 thermal guard. Western Digital's WD_BLACK Dashboard software is worth downloading (for Windows users). It allows you to monitor drive health, thermal performance, and activate Game Mode 2.0. This feature is designed to optimize the drive’s operation when detecting game launches, ensuring maximum sustained speed by disabling low power states and prioritizing game-related I/O. The Verdict If you are currently running an older PCIe 3.0 NVMe drive or, worse, a SATA SSD, the WD_BLACK SN850X is arguably the best single upgrade you can make to your PC. It offers world-class performance for the PCIe 4.0 generation, excellent longevity, and the reliable engineering expected from the WD_BLACK line. For a primary boot/gaming drive that will eliminate loading screens and maintain rapid response times, this 2TB model is a stellar, professional choice.
A**4
A premium SSD that delivers on its promises. A fantastic investment!
The **WD_BLACK SN850X 4TB SSD** has been an absolute game-changer for my mini PC setup, delivering top-tier performance that exceeds expectations. As an M.2 2280 NVMe SSD with PCIe Gen4 compatibility, it boasts incredible read speeds of up to 7300 MB/s and write speeds of up to 6600 MB/s, making it one of the fastest drives on the market. After installing it in my mini PC, I immediately noticed a massive improvement in load times for games and applications. Games that used to take minutes to load now start almost instantly, providing a seamless and immersive gaming experience. To put it to the test, I ran **CrystalDiskMark**, and the results were impressive: **6938.39 MB/s read speed** and **6616.51 MB/s write speed**, which are very close to the advertised speeds. This level of performance is exceptional, especially for a high-capacity 4TB drive. The SSD handles everything I throw at it—whether it’s gaming, multitasking, or transferring large files—with ease and reliability. The compact design of the WD_BLACK SN850X makes it perfect for mini PCs, where space is often limited. Despite its small size, it doesn’t compromise on performance or capacity. The 4TB storage is more than enough for my extensive game library, work files, and multimedia projects, eliminating the need for additional drives. In conclusion, the **WD_BLACK SN850X 4TB SSD** is a powerhouse of speed, reliability, and capacity. It’s an excellent choice for gamers, content creators, and anyone who demands high performance from their storage solution. I highly recommend it to anyone looking to upgrade their system with a premium SSD that delivers on its promises. A fantastic investment!
R**Y
Brilliant Buy
Anyone looking to finally make a very late upgrade from HDD/SSD to NVMe please just do it, you will not regret it! The difference this one component makes to an entire PC build is so significant, just install the OS you are running on this drive and everything feels so much quicker and snappier. Dealling with older builds or even PC's at my work is almost a frustrating task now after being so used with the speeds you get with this. I have dealt with a few NVMe's now and all have been good but this one is fantastic because of the extra speeds of course but mainly just the value. Persoanlly I think it's great payong this price for such a great product and at 4TB, it's a component you can comfortably leave in your PC build for years and years. Extremely easy and simple to install and I have not ran into a single issue yet, great compatibility.
A**R
It's the best 8tb nvme drive as of late 2024
P**L
Używany w obudowie Thunderbolt 4 z aktywnym chłodzeniem. No wymiata. PE-TAR-DA.
M**D
not the same rebrand, this is the old NVME ممتاز
C**K
Fast delivery and great item
I**Y
Playstation 5 konsolümüm hafızasını genişletmek için ürünü önce Amazon Germany üzerinden almıştım fakat zamanında teslim olmayacağı için iptal edip neredeyse aynı paraya Amazon.com.tr'den satın aldım. Ürün kesinlikle vaad ettiği hızları görüyor. Ps5'de işlem ve depolama hızı isteyen oyunlarımın tamamını sorunsuz şekilde oynabiliyorum. Tek eksiği (ki bunu aşmak çok kolay) soğutucusunun olmaması. Ben harici bir soğutucu alarak bu sorunu bertaraf ettim. Ps5'de hafıza sorunu yaşayanlar biçilmiş kaftan.
Trustpilot
2 weeks ago
2 months ago