Which laptops does 778189-001 fit? 778189-001 (HP hard drive) is documented to fit 7 laptop models, including HP ProBook 450 G4, HP ProBook 455 G4 and HP ProBook 440 G4 and 4 more. Fits come from OEM documentation (HP service guide), last checked 2026-11-12; not bench-tested. Full compatibility list.
HP Hard drive, 500 GB, 7200 rpm, 7 mm. Documented OEM replacement; see each fit for configuration limits.
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 450 G4 All hard drive for this model | HP | 2026-11-09 | OEM documented |
| HP ProBook 455 G4 All hard drive for this model | HP | 2026-11-09 | OEM documented |
| HP ProBook 440 G4 All hard drive for this model | HP | 2026-11-09 | OEM documented |
| HP ProBook 640 G1 All hard drive for this model | HP | 2026-11-12 | Mostly documented (90–99%) |
| HP ProBook 645 G1 All hard drive for this model | HP | 2026-11-12 | Mostly documented (90–99%) |
| HP ProBook 650 G1 All hard drive for this model | HP | 2026-11-12 | Mostly documented (90–99%) |
| HP ProBook 655 G1 All hard drive for this model | HP | 2026-11-12 | Mostly documented (90–99%) |
HP lists this part as: Hard drive, 500 GB, 7200 rpm, 7 mm. OEM documentation only; not bench-tested.
HP Maintenance and Service Guide c05270979 (Document Part Number 903116-001), PDF pages 28, 34, 46: 778189-001: Hard drive, 500 GB, 7200 rpm, 7 mm. (via SOLO-22 pinned fold 2026-11-09)
HP lists this part as: Hard drive, 500 GB, 7200 rpm, 7 mm. OEM documentation only; not bench-tested.
HP Maintenance and Service Guide c05270979 (Document Part Number 903116-001), PDF pages 28, 34, 46: 778189-001: Hard drive, 500 GB, 7200 rpm, 7 mm. (via SOLO-22 pinned fold 2026-11-09)
HP lists this part as: Hard drive, 500 GB, 7200 rpm, 7 mm. OEM documentation only; not bench-tested.
HP Maintenance and Service Guide c05269107 (Document Part Number 903114-001), PDF pages 28, 33, 44: 778189-001: Hard drive, 500 GB, 7200 rpm, 7 mm. (via SOLO-22 pinned fold 2026-11-09)
OEM documentation only; not bench-tested.
HP Maintenance and Service Guide c04823617, PDF page 51: "only on computer models equipped with a 778189-001". 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 51: "only on computer models equipped with a 778189-001". 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 51: "only on computer models equipped with a 778189-001". 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 51: "only on computer models equipped with a 778189-001". 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 450 G4 | HP | Business laptop |
| HP ProBook 455 G4 | HP | Business laptop |
| HP ProBook 440 G4 | HP | Business laptop |
| HP ProBook 640 G1 | HP | Business laptop |
| HP ProBook 645 G1 | HP | Business laptop |
| HP ProBook 650 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
778189-001