Which laptops does 745883-501 fit? 745883-501 (HP motherboard) is documented to fit 4 laptop models: HP ProBook 640 G1, HP ProBook 650 G1, HP ProBook 645 G1 and HP ProBook 655 G1. Fits come from OEM documentation (HP service guide), last checked 2026-11-12; not bench-tested. Full compatibility list.
HP service-guide description: System board for use only on 14-in. computer models equipped with shared memory.
Devices documented to accept this OEM component. Compatibility from OEM documentation or a labelled source, with a confidence level on each fit; not bench-tested.
| Model | Brand | Last checked | Confidence |
|---|---|---|---|
| HP ProBook 640 G1 All motherboard for this model | HP | 2026-11-01 | OEM documented |
| HP ProBook 650 G1 All motherboard for this model | HP | 2026-11-01 | OEM documented |
| HP ProBook 645 G1 All motherboard for this model | HP | 2026-11-12 | Mostly documented (90–99%) |
| HP ProBook 655 G1 All motherboard for this model | HP | 2026-11-12 | Mostly documented (90–99%) |
HP lists this spare part number for the HP ProBook 640 G1 in its Maintenance and Service Guide (printed p.39).
HP Maintenance and Service Guide for the HP ProBook 640 G1, spare parts table, printed p.39: "with shared memory and the Windows 10 745883-501". Read from the cached HP manual (via FDY-MM-016-H1).
HP lists this spare part number for the HP ProBook 650 G1 in its Maintenance and Service Guide (printed p.39).
HP Maintenance and Service Guide for the HP ProBook 650 G1, spare parts table, printed p.39: "with shared memory and the Windows 10 745883-501". Read from the cached HP manual (via FDY-MM-016-H1).
OEM documentation only; not bench-tested.
HP Maintenance and Service Guide c04823617, PDF page 49: "with shared memory and the Windows 10 745883-501". Content match to the fetched guide. (via v10 fold 2026-11-12)
OEM documentation only; not bench-tested.
HP Maintenance and Service Guide c04823617, PDF page 49: "with shared memory and the Windows 10 745883-501". Content match to the fetched guide. (via v10 fold 2026-11-12)
Summary of the documented fits above (sources on each model card); not bench-tested.
| Model | Brand | Type |
|---|---|---|
| HP ProBook 640 G1 | HP | Business laptop |
| HP ProBook 650 G1 | HP | Business laptop |
| HP ProBook 645 G1 | HP | Business laptop |
| HP ProBook 655 G1 | HP | Business laptop |
Fit check: Always confirm the OEM part/FRU number on your machine's label or in the service manual before buying. HP service guide
745883-501