Which I/O board fits the HP Elite c640 14 inch G3 Chromebook?

2 I/O boards are documented for the HP Elite c640 14 inch G3 Chromebook: N13678-001, N13679-001. All 2 come from a labelled third-party retailer listing (support.hp.com), not Samsung documentation; last checked 2026-11-12. Not bench-tested: match the number on your old I/O board and any constraint before ordering.

Part number	Part	Constraints	Confidence	Last checked
N13678-001	HP USB board, For use in models with WWAN N13678-001	HP spare part: USB board, For use in models with WWAN. Unverified source; not bench-tested.	Not sure (under 90%)	2026-11-12
N13679-001	HP USB board, For use in models with WLAN N13679-001	HP spare part: USB board, For use in models with WLAN. Unverified source; not bench-tested.	Not sure (under 90%)	2026-11-12

Where do these HP Elite c640 14 inch G3 Chromebook I/O board part numbers come from?

All 2 fits are from a labelled third-party retailer listing (support.hp.com), not Samsung documentation; each row links its source. Last checked 2026-11-12.

Are these I/O boards tested in the HP Elite c640 14 inch G3 Chromebook?

No. Fits come from manufacturer or retailer documentation and are not bench-tested. Check the part number on your old part and any listed constraint.

All documented parts for the HP Elite c640 14 inch G3 Chromebook.

Other parts for the HP Elite c640 14 inch G3 Chromebook

Heat Sink (1) · Fan (1) · Battery (1) · Bottom Cover (3) · Screen (19) · Power Adapter (12) · SSD (2) · Motherboard (13) · Keyboard (2) · Hinge (1) · Hinge Cover (1) · Power Cord (19) · Speakers (1) · Fingerprint Reader (4) · Memory (6) · Cable (8) · Card Reader (1) · Wireless Card (2) · SIM Tray (1) · Display Cable (1) · Screw Kit (1) · Service Part (7)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model hp-elite-c640-14-g3-chromebook) or the keyless JSON API.