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The WD_BLACK SN850X is a PCIe 4.0 NVMe gaming SSD rated up to 7,300MB/s sequential reads on the 1TB to 4TB models. It uses SanDisk TLC 3D NAND and offers an optional heatsink version for sustained performance in a PC or PS5. Game Mode 2.0 in the SanDisk Dashboard (Windows only) turns on load-priority features automatically. It is a strong pick for gamers and workstation users who want near-top PCIe 4.0 speed, though PCIe 5.0 drives now beat it on paper and WD has replaced it with the SanDisk Optimus GX PRO 850X.
In stockPriced in CAD (CA$2,874.99)
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Lowest price we've seen: $246.99 on Nov 12 at Amazon. Tracked across 1 store since Nov 12.
Owners and reviewers rate the SN850X as one of the fastest PCIe 4.0 gaming drives, with quick load times and steady performance under sustained writes. Complaints center on the heatsink version's fit in tight slots and on the drive being superseded by a newer model.
The WD_BLACK SN850X is an NVMe solid state drive made for gaming PCs and workstations. It is built with SANDISK TLC 3D NAND. This model has 1TB of storage, and the SN850X line goes up to 8TB.
Read speeds reach up to 7,300MB/s on the 1TB to 4TB models. A heatsink option is available to help maintain performance. The downloadable SANDISK Dashboard, for Windows only, can automatically turn on Game Mode 2.0 features.
