M.2 2280 SSD. Configuration-specific. PCIe Gen4 drive not in this MSG revision (later BOM addition); PartSurfer wins. Configuration-specific: 3/8 checked SKUs. Match your product number or the original part number. OEM parts list only; not bench-tested.
Source notes
Saved HP PartSurfer product BOM(s) on box (captured 2026-10-23 by partsurfer/harvest_b3new; no new HP fetch, HP OEM cool-down ON). Listed for 3 of 8 checked US product numbers (462Q4US, 5B0Q5US, 5Z997US). HP description: "SKO-SSD 256GB PCIe-4x4 2280 NVMe M.2". Keyword: Drive. OrderFlag: 1. (via MM-LOOP-032).