configuration-specific: 6 of 8 checked SKUs. Only the listed SKUs/configurations are evidenced; not a universal model fit. Saved PartSurfer BOM; no HP fetch. OEM documentation only; not bench-tested.
Source notes
PartSurfer BOM (saved cache) 4X5G9US / Unknown Keyword; HP description: "WLAN RT 11AC 2X2 +BT5 M.2"; US product numbers: 4X5G9US, 50Z81US, 521U7US, 545T9US, 551H1US, 59D54US. Saved PartSurfer BOM checked offline 2026-10-29, no HP fetch (via FOB-CX-001).