CPU, LPDDR4 memory and eMMC are on the board; PartSurfer "With heatsink" (MSG Table 3-1). Match exact CPU/RAM/eMMC. Chrome OS board. PartSurfer OrderFlag 0 on 28R74US (orderability not confirmed by PartSurfer). Configuration-specific: 1/8 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 2026-10-28 before this loop; no new HP fetch, HP OEM cool-down ON). Listed for 1 of 8 checked product numbers (28R74US; 1 of 7 US US/UT SKUs; product name "HP Chromebook 14 G6 (8MQ31AV)"). HP description: "Motherboard (system board) UMA Cel N4120 8GB 32GeMMC - With heatsink". Keyword: PC Board. OrderFlag: 0. Also in the saved HP Maintenance and Service Guide L89294-001 (hpmsg/cb14g6.pdf). (via MM-LOOP-042).