Which motherboard fits the HP EliteBook 840 G3? OEM part numbers
7 motherboards are documented for the HP EliteBook 840 G3: 821167-001, 821188-001, 826804-xxx, 826805-xxx, 826806-xxx and 2 more. 7 of 7 come from OEM documentation (h10032.www1.hp.com); last checked 2026-11-12. Not bench-tested: match the number on your old motherboard and any constraint before ordering.
| Part number | Part | Constraints | Confidence | Last checked |
|---|---|---|---|---|
821167-001 | HP Smart card reader board with cable 821167-001 | HP description: "Smart card reader board with cable". OEM documentation only; not bench-tested. | OEM documented | 2026-11-04 |
821188-001 | HP Smart card reader board, mobile workstation 821188-001 | HP spare part: Mobile workstation only. OEM documentation only; not bench-tested. | OEM documented | 2026-11-12 |
826804-xxx | HP Intel i3-6100U UMA system board, EliteBook 848/840 826804-xxx | HP description: "Intel i3-6100U UMA system board, EliteBook 848/840". OEM documentation only; not bench-tested. | OEM documented | 2026-11-04 |
826805-xxx | HP Intel i5-6200U UMA system board, EliteBook 848/840 826805-xxx | HP description: "Intel i5-6200U UMA system board, EliteBook 848/840". OEM documentation only; not bench-tested. | OEM documented | 2026-11-04 |
826806-xxx | HP Intel i5-6300U UMA system board, EliteBook 848/840 826806-xxx | HP description: "Intel i5-6300U UMA system board, EliteBook 848/840". OEM documentation only; not bench-tested. | OEM documented | 2026-11-04 |
826807-xxx | HP Intel i7-6500U UMA system board, EliteBook 848/840 826807-xxx | HP description: "Intel i7-6500U UMA system board, EliteBook 848/840". OEM documentation only; not bench-tested. | OEM documented | 2026-11-04 |
826808-xxx | HP Intel i7-6600U UMA system board, EliteBook 848/840 826808-xxx | HP description: "Intel i7-6600U UMA system board, EliteBook 848/840". OEM documentation only; not bench-tested. | OEM documented | 2026-11-04 |
Where do these HP EliteBook 840 G3 motherboard part numbers come from?
7 of 7 fits are from OEM documentation (h10032.www1.hp.com); each row links its source. Last checked 2026-11-12.
Are these motherboards tested in the HP EliteBook 840 G3?
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 840 G3.
Other parts for the HP EliteBook 840 G3
Keyboard (4) · Palmrest (3) · I/O Board (4) · Touchpad (5) · Speakers (1) · Fingerprint Reader (1) · Heat Sink (3) · RTC Battery (1) · Battery (1) · Bottom Cover (3) · Display Bezel (3) · Hinge (2) · Camera (1) · Display Cable (3) · Screen (12) · Display Back Cover (5) · Power Adapter (5) · Wireless Card (1) · Hard Drive (6) · Service Part (13) · SSD (7) · Memory (3) · Microphone (2) · Cable (1) · Power Cord (33) · Screw Kit (1)
For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model hp-elitebook-840-g3) or the keyless JSON API.
Key facts
- Model
- HP EliteBook 840 G3
- Part type
- Motherboard
- Documented parts
- 7
- OEM-documented fits
- 7 of 7
- Source sites
- h10032.www1.hp.com
- Last checked
- 2026-11-12
- Tested
- Not bench-tested; documentation only