-601 = Windows board, -001 = non-Windows (MSG copy "xxxxxx-601: Windows operating system"; MSG copy lists -xx1 patterns only, which do not count as exact-PN corroboration). CPU soldered; RAM is socketed SODIMM. Match the exact board PN/CPU. i5-1145G7 (vPro-class) board; not in the MSG copy board list. PartSurfer OrderFlag 0 (5B0T2US for -001; 3A3G4US/3K0M9US for -601). gotlaptopparts labels M21700-601 ProBook 450 G8 (shared board; PartSurfer 440 G8 BOM wins). Configuration-specific: 2/8 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 (partsurfer/cache_<SKU>.json, captured before this loop; no new HP fetch, HP OEM cool-down ON). Listed for 2 of 8 checked US product numbers (3A3G4US, 3K0M9US; product name "HP ProBook 440 G8 Notebook PC (2Q527AV)"). HP description: "SPS-MB UMA i5-1145G7 WIN". Keyword: Unknown Keyword. OrderFlag: 0. (via MM-LOOP-052).