Photo: Western Digital / Manufacturer product image source
WD
WD Black SN850X 4TB.
high-end
- Whole-library capacity at flagship Gen4 speed
- One slot, 4TB - no SATA rats' nest
Best price
$460$700 MSRP
at Amazon
//01SPEC SHEET
BrandWD
Release year2023
MSRP$700
TypeNVMe SSD
Capacity4 TB
InterfacePCIe 4.0
Form factorM.2 2280
Seq. read7,300 MB/s
Seq. write6,600 MB/s
//02PRICE COMPARISON
Prices as of 01 Oct 2026, 22:44 UTC
//03PRICE HISTORY
90d min
$377
90d avg
$425
90d max
$460
//04COMPATIBILITY
//05ALTERNATIVES
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