Which motherboard fits the HP EliteBook 645 G9? OEM part numbers
11 motherboards are documented for the HP EliteBook 645 G9: N00114-xx1, N00115-xx1, N00116-xx1, N00117-xx1, N00118-xx1 and 6 more. 11 of 11 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 |
|---|---|---|---|---|
N00114-xx1 | HP System board for models with discrete graphics memory N00114-xx1 | HP description: "AMD Ryzen 3 5425U processor". Listed in a sibling or family document (tier B). OEM documentation only; not bench-tested. | OEM documented | 2026-11-04 |
N00115-xx1 | HP AMD Ryzen 3 5425U processor, WWAN models N00115-xx1 | HP description: "AMD Ryzen 3 5425U processor, WWAN models". Listed in a sibling or family document (tier B). OEM documentation only; not bench-tested. | OEM documented | 2026-11-04 |
N00116-xx1 | HP AMD Ryzen 5 5625U processor, WWAN models N00116-xx1 | HP description: "AMD Ryzen 5 5625U processor, WWAN models". Listed in a sibling or family document (tier B). OEM documentation only; not bench-tested. | OEM documented | 2026-11-04 |
N00117-xx1 | HP AMD Ryzen 5 PRO 5675U processor N00117-xx1 | HP description: "AMD Ryzen 5 PRO 5675U processor". Listed in a sibling or family document (tier B). OEM documentation only; not bench-tested. | OEM documented | 2026-11-04 |
N00118-xx1 | HP AMD Ryzen 5 PRO 5675U processor, WWAN models N00118-xx1 | HP description: "AMD Ryzen 5 PRO 5675U processor, WWAN models". Listed in a sibling or family document (tier B). OEM documentation only; not bench-tested. | OEM documented | 2026-11-04 |
N00119-xx1 | HP AMD Ryzen 7 5825U processor, WWAN models N00119-xx1 | HP description: "AMD Ryzen 7 5825U processor, WWAN models". Listed in a sibling or family document (tier B). OEM documentation only; not bench-tested. | OEM documented | 2026-11-04 |
N00120-xx1 | HP AMD Ryzen 7 PRO 5875U processor N00120-xx1 | HP description: "AMD Ryzen 7 PRO 5875U processor". Listed in a sibling or family document (tier B). OEM documentation only; not bench-tested. | OEM documented | 2026-11-04 |
N06859-xx1 | HP System board, Ryzen 5 PRO 5675U, IR camera models N06859-xx1 | HP description: "System board, Ryzen 5 PRO 5675U, IR camera models". Listed in a sibling or family document (tier B). OEM documentation only; not bench-tested. | OEM documented | 2026-11-04 |
N06860-xx1 | HP System board, Ryzen 5 PRO 5675U, IR camera and WWAN N06860-xx1 | HP description: "System board, Ryzen 5 PRO 5675U, IR camera and WWAN". Listed in a sibling or family document (tier B). OEM documentation only; not bench-tested. | OEM documented | 2026-11-04 |
N06861-xx1 | HP System board, Ryzen 7 PRO 5875U, IR camera models N06861-xx1 | HP description: "System board, Ryzen 7 PRO 5875U, IR camera models". Listed in a sibling or family document (tier B). OEM documentation only; not bench-tested. | OEM documented | 2026-11-04 |
N06862-xx1 | HP AMD Ryzen 7 PRO 5875U processor, WWAN models N06862-xx1 | HP description: "AMD Ryzen 7 PRO 5875U processor, WWAN models". Listed in a sibling or family document (tier B). OEM documentation only; not bench-tested. | OEM documented | 2026-11-04 |
Where do these HP EliteBook 645 G9 motherboard part numbers come from?
11 of 11 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 EliteBook 645 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.
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 G9.
Other parts for the HP EliteBook 645 G9
Keyboard (6) · Cable (20) · Touchpad (2) · Speakers (1) · Heat Sink (1) · Fan (2) · I/O Board (2) · Battery (2) · Bottom Cover (3) · RTC Battery (1) · Wireless Card (5) · Fingerprint Reader (3) · Display Bezel (6) · Camera (2) · Screen (7) · Hinge (1) · Display Cable (1) · Display Back Cover (5) · Power Adapter (44) · Power Cord (74) · SSD (10) · Microphone (1) · Antenna (3) · Service Part (16) · Memory (4) · Card Reader (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-elitebook-645-g9) or the keyless JSON API.
Key facts
- Model
- HP EliteBook 645 G9
- Part type
- Motherboard
- Documented parts
- 11
- OEM-documented fits
- 11 of 11
- Source sites
- kaas.hpcloud.hp.com
- Last checked
- 2026-11-04
- Tested
- Not bench-tested; documentation only