Product Chart / Ssd drives / WD Black SN850X
WD_BLACK SN850X 2TB NVMe SSD with Heatsink - 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 - WDS200T2XHE
For $429.49 on Amazon (As of Feb 8, 2026, 07:52 PST - Details)
Brand Western Digital
Storage 2000 GB
FormM.2
InterfacePCIe
Sequential Read speed7300 MB/s
Sequential Write speed6600 MB/s
Random Read speed1200k IOPS
Random Write speed1100k IOPS

We know 2 variations of the WD Black SN850X with the above specifications:

WD_BLACK SN850X 2TB NVMe SSD with Heatsink - 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 - WDS200T2XHE
For $429.49 on Amazon (As of Feb 8, 2026, 07:52 PST - Details)
WD_BLACK SN850X 2TB 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 - WDS200T2X0E
For $378.00 on Amazon (As of Feb 8, 2026, 12:09 PST - Details)
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