MSG copy Table 3-3 "Cable Kit, includes: I/O board cable, I/O board cable (USB 3.0), Touchpad cable, Fingerprint reader board cable". Listed for all 8 checked SKUs. 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 8 of 8 checked US product numbers (7G6S1US, 7P8W4US, 6L1U6US, 7N504US, 6N0K6US, 759J3US, 78Z11US, 7K7U8US; product name "HP ProBook 450 15.6 inch G9 Notebook PC (4D3W8AV)"). HP description: "SPS-CABLE KIT 15". Keyword: Unknown Keyword. OrderFlag: 1. (via MM-LOOP-051).