Which I/O board fits the HP EliteBook 645 G10? OEM part numbers

2 I/O boards are documented for the HP EliteBook 645 G10: N40109-001, N40110-001. 2 of 2 come from OEM documentation (kaas.hpcloud.hp.com); last checked 2026-10-27. Not bench-tested: match the number on your old I/O board and any constraint before ordering.

Part numberPartConstraintsConfidenceLast checked
N40109-001HP I/O board (AMD PRO models)Models with AMD PRO processors only. I/O board cables are a separate Cable Kit part. OEM documentation only; not bench-tested.OEM documented2026-10-27
N40110-001HP I/O board (non-PRO models)Models without AMD PRO processors only. I/O board cables are a separate Cable Kit part. OEM documentation only; not bench-tested.OEM documented2026-10-27

Where do these HP EliteBook 645 G10 I/O board part numbers come from?

2 of 2 fits are from OEM documentation (kaas.hpcloud.hp.com); each row links its source. Last checked 2026-10-27.

Are these I/O boards tested in the HP EliteBook 645 G10?

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.

How to replace it

Steps paraphrased from the manufacturer service manual, with page citations. Not bench-tested.

All documented parts for the HP EliteBook 645 G10.

Other parts for the HP EliteBook 645 G10

Keyboard (5) · Cable (5) · Touchpad (2) · Speakers (1) · Heat Sink (1) · Fan (1) · Battery (2) · Bottom Cover (1) · RTC Battery (1) · Fingerprint Reader (2) · Display Bezel (7) · Camera (6) · Screen (7) · Hinge (1) · Display Cable (2) · Display Back Cover (5) · Power Adapter (24) · SSD (11) · Power Cord (60) · Wireless Card (7) · Antenna (3) · Service Part (15) · Microphone (1) · Screw Kit (1) · Motherboard (13) · Memory (4) · Card Reader (1)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model hp-elitebook-645-g10) or the keyless JSON API.

Key facts

Model
HP EliteBook 645 G10
Part type
I/O Board
Documented parts
2
OEM-documented fits
2 of 2
Source sites
kaas.hpcloud.hp.com
Last checked
2026-10-27
Tested
Not bench-tested; documentation only