Which motherboard fits the HP ProBook 455 G9? OEM part numbers

5 motherboards are documented for the HP ProBook 455 G9: N01923-xx1, N01924-xx1, N01925-xx1, N01926-xx1, N01927-xx1. 5 of 5 come from OEM documentation (kaas.hpcloud.hp.com); last checked 2026-11-04. Not bench-tested: match the number on your old motherboard and any constraint before ordering.

Part number	Part	Constraints	Confidence	Last checked
N01923-xx1	HP System board with AMD Ryzen 3 5425U processor N01923-xx1	HP description: "System board with integrated AMD Ryzen 3 5425U". Listed in a sibling or family document (tier B). OEM documentation only; not bench-tested.	OEM documented	2026-11-04
N01924-xx1	HP System board with AMD Ryzen 3 5425U processor, WWAN models N01924-xx1	HP description: "System board with integrated Ryzen 3 5425U, WWAN models". Listed in a sibling or family document (tier B). OEM documentation only; not bench-tested.	OEM documented	2026-11-04
N01925-xx1	HP System board with AMD Ryzen 5 5625U processor N01925-xx1	HP description: "System board with integrated AMD Ryzen 5 5625U". Listed in a sibling or family document (tier B). OEM documentation only; not bench-tested.	OEM documented	2026-11-04
N01926-xx1	HP System board with AMD Ryzen 5 5625U processor, WWAN models N01926-xx1	HP description: "System board with integrated Ryzen 5 5625U, WWAN models". Listed in a sibling or family document (tier B). OEM documentation only; not bench-tested.	OEM documented	2026-11-04
N01927-xx1	HP System board with AMD Ryzen 7 5825U processor N01927-xx1	HP description: "System board with integrated AMD Ryzen 7 5825U". Listed in a sibling or family document (tier B). OEM documentation only; not bench-tested.	OEM documented	2026-11-04

Where do these HP ProBook 455 G9 motherboard part numbers come from?

5 of 5 fits are from OEM documentation (kaas.hpcloud.hp.com); each row links its source. Last checked 2026-11-04.

Are these motherboards tested in the HP ProBook 455 G9?

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 ProBook 455 G9.

Other parts for the HP ProBook 455 G9

Keyboard (2) · Cable (21) · Touchpad (1) · Speakers (1) · Heat Sink (1) · Fan (2) · I/O Board (1) · Battery (2) · Bottom Cover (3) · RTC Battery (1) · Fingerprint Reader (3) · Display Bezel (4) · Camera (2) · Screen (5) · Hinge (1) · Display Cable (1) · Display Back Cover (3) · Power Adapter (44) · Power Cord (71) · SSD (6) · Wireless Card (5) · Microphone (1) · Service Part (15) · Memory (3) · Antenna (1) · Screw Kit (3)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model hp-probook-455-g9) or the keyless JSON API.