You are currently viewing Western Digital SN850X PCIe 4.0 SSD Reviews, Pros and Cons

Western Digital SN850X PCIe 4.0 SSD Reviews, Pros and Cons




WD’s first PCIe Gen 4 drive, the very popular WD Black SN850, was and still is a very quick drive. But it was launched nearly two years ago, which in the Gen 4 drive market space, seems like an eternity. But now we have its successor for the fastest WD…

By KitGuru


WD’s Black SN850 drive was already a very good flagship drive but with an upgrade from 96-layer to 112-layer NAND and improvements to the firmware, the SN850X takes over that mantle with great effect. But the price could do with some tweaking.

By ThinkComputers


With what I call the second generation of Gen4 NVMe solid state drives we’ve had a lot of entries in the space already and it does seem that Western Digital is a little late to the party with the WD Black SN850X, but if you haven’t picked up a Gen4…

By Games Radar


With a brave new era of PCIe Gen 5 SSDs for gaming just around the corner, for the PC at least, the new WD Black SN850X 1TB represents the last gasp for high-end Gen 4 SSDs. Unsurprisingly, then, this isn’t a radical new design. Instead, it’s a revision…



Delivering over a million IOPS, speed at or near 7000MB/s read and 6300MB/s write, the WD_Black SN850X is a quantum leap over the competition. Now sporting a whopping 24GB of Cache, and Sony’s PS5 endorsement, it makes this drive the one to get,…

By PCMag


The WD Black SN850X takes the company’s flagship PCIe 4.0 gaming SSD and makes it even better, offering higher capacity and improved test results (including a new PC Labs record in the 3DMark Storage benchmark). About all it lacks is hardware-based security.

By Tom’s Hardware


The WD Black SN850X is a powerful, high-end PCIe 4.0 SSD that’s near the top of the heap in almost every category. The SN850X is available in high capacities and has an optional RGB-laden heatsink for most models, but pricing and the questionable Game Mode 2.0 keep it from being the very best.

By Tom’s Hardware UK


Western Digital touts the WD Black SN850X as a high-end PCIe 4.0 SSD for gaming that has options for RGB lighting and a heatsink, making it ready for the PlayStation 5 (PS5) or your PC. The 4TB model is especially enticing as many drives, like the SK…

By PCWorld


WD’s Black SN850X is an excellent, and slightly more affordable alternative to Seagate’s might FireCuda 530. It’s also especially adept at real-world transfers and random operations.

By Club386


WD succeeds in its ambition to tempt PC gamers and enthusiasts away from other brands plying the premium consumer SSD space. Want a big-name, no-nonsense SSD that makes a mockery of most benchmarks? WD Black SN850X 2TB fits the bill nicely.

By TweakTown


Western Digital’s newest member of its legendary “Black” series is an absolute dream for gamers or anyone that values real-world results over marketing fluff. BiCS 5 may or may not be the best-performing flash currently in circulation. We couldn’t determine that concretely today as hoped.

By StorageReview

Overall, the WD BLACK SN850X is a gaming NVMe drive that stacks up very well against other PCIe Gen4 mainstream consumer SSDs in performance. Across the board in our synthetic tests, the SN850X found itself at the top of the pack (usually behind the Samsung 980 Pro), measuring a peak bandwidth of 5.93GB/s read and 1.84GB/s write in 64K sequential performance.

By DongKnows

The WD Black SN850X is an excellent NVMe SSD, though not as awesome as Western Digital would like you to believe.


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