Which motherboard fits the HP ProBook 645 G1? OEM part numbers
70 motherboards are documented for the HP ProBook 645 G1: 738401-001, 738701-001, 738703-001, 738704-001, 744007-001 and 65 more. 2 of 70 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 |
|---|---|---|---|---|
738401-001 | HP Motherboard 738401-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
738701-001 | HP Power button board with cable 738701-001 | HP spare part: Power button board (includes cable) For 15.6-in. models. OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
738703-001 | HP Function button board with cable 738703-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
738704-001 | HP Optical drive connector board, 15.6-in. 738704-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744007-001 | HP system board 744007-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744007-501 | HP system board 744007-501 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744007-601 | HP system board 744007-601 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744008-001 | HP system board 744008-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744008-501 | HP system board 744008-501 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744008-601 | HP system board 744008-601 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744009-001 | HP system board 744009-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744009-501 | HP system board 744009-501 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744009-601 | HP system board 744009-601 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744010-001 | HP system board 744010-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744010-501 | HP system board 744010-501 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744010-601 | HP system board 744010-601 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744015-001 | HP System board, discrete memory, WWAN, 15.6-in. 744015-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744015-501 | HP System board, discrete memory, Win8 Standard, WWAN, 15.6-in. 744015-501 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744015-601 | HP System board, discrete memory, Win8 Professional, WWAN, 15.6 744015-601 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744016-001 | HP system board 744016-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744016-501 | HP system board 744016-501 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744016-601 | HP system board 744016-601 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744017-001 | HP System board, shared memory, WWAN, 15.6-in. 744017-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744017-501 | HP System board, shared memory, Win8 Standard, WWAN, 15.6-in. 744017-501 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744017-601 | HP System board, shared memory, Win8 Professional, WWAN, 15.6-i 744017-601 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744018-001 | HP system board 744018-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744018-501 | HP system board 744018-501 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744018-601 | HP system board 744018-601 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744020-001 | HP system board 744020-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744020-501 | HP system board 744020-501 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744020-601 | HP system board 744020-601 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744022-001 | HP system board 744022-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744022-501 | HP system board 744022-501 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
744022-601 | HP system board 744022-601 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
745883-001 | HP system board 745883-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
745883-501 | HP system board 745883-501 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
745883-601 | HP system board 745883-601 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
745884-001 | HP system board 745884-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
745884-501 | HP system board 745884-501 | HP description: "System board, shared memory, Win8 Standard, no WWAN". OEM documentation only; not bench-tested. | OEM documented | 2026-11-04 |
745884-601 | HP system board 745884-601 | HP description: "System board, shared memory, Win8 Professional, no WWAN". OEM documentation only; not bench-tested. | OEM documented | 2026-11-04 |
745887-001 | HP system board 745887-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
745887-501 | HP system board 745887-501 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
745887-601 | HP system board 745887-601 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
745888-001 | HP system board 745888-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
745888-501 | HP system board 745888-501 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
745888-601 | HP system board 745888-601 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
801633-001 | HP system board 801633-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
801633-501 | HP system board 801633-501 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
801633-601 | HP system board 801633-601 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
801634-001 | HP system board 801634-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
801634-501 | HP system board 801634-501 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
801634-601 | HP system board 801634-601 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
801635-001 | HP system board 801635-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
801635-501 | HP system board 801635-501 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
801635-601 | HP system board 801635-601 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
801636-001 | HP system board 801636-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
801636-501 | HP system board 801636-501 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
801636-601 | HP system board 801636-601 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
803847-001 | HP system board 803847-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
803847-501 | HP system board 803847-501 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
803847-601 | HP system board 803847-601 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
803848-001 | HP system board 803848-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
803848-501 | HP system board 803848-501 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
803848-601 | HP system board 803848-601 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
803849-001 | HP system board 803849-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
803849-501 | HP system board 803849-501 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
803849-601 | HP system board 803849-601 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
803850-001 | HP system board 803850-001 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
803850-501 | HP system board 803850-501 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
803850-601 | HP system board 803850-601 | OEM documentation only; not bench-tested. | Mostly documented (90–99%) | 2026-11-12 |
Where do these HP ProBook 645 G1 motherboard part numbers come from?
2 of 70 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 ProBook 645 G1?
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 645 G1.
Other parts for the HP ProBook 645 G1
Service Part (48) · Keyboard (198) · Speakers (1) · Touchpad (10) · Fan (2) · Heat Sink (2) · Cable (3) · Bottom Cover (2) · Power Adapter (9) · Wireless Card (5) · Hard Drive (17) · RTC Battery (1) · Battery (4) · Camera (1) · Microphone (1) · SSD (16) · Display Cable (4) · Power Cord (16) · Screw Kit (1) · Memory (4) · Display Bezel (6) · Hinge (1) · Screen (14) · Card Reader (3) · Service Door (4) · Hinge Cover (1)
For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model hp-probook-645-g1) or the keyless JSON API.
Key facts
- Model
- HP ProBook 645 G1
- Part type
- Motherboard
- Documented parts
- 70
- OEM-documented fits
- 2 of 70
- Source sites
- h10032.www1.hp.com
- Last checked
- 2026-11-12
- Tested
- Not bench-tested; documentation only