Which laptops does 738404-001 fit? 738404-001 (HP speakers) 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 2026-11-04; not bench-tested. Full compatibility list.
HP service-guide description: Speakers (include cables).
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 speakers for this model | HP | 2026-11-01 | OEM documented |
| HP ProBook 650 G1 All speakers for this model | HP | 2026-11-01 | OEM documented |
| HP ProBook 645 G1 All speakers for this model | HP | 2026-11-04 | OEM documented |
| HP ProBook 655 G1 All speakers for this model | HP | 2026-11-04 | OEM documented |
HP lists this spare part number for the HP ProBook 640 G1 in its Maintenance and Service Guide (printed p.35).
HP Maintenance and Service Guide for the HP ProBook 640 G1, spare parts table, printed p.35: "(8) Speakers (include cables) 738404-001". 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.35).
HP Maintenance and Service Guide for the HP ProBook 650 G1, spare parts table, printed p.35: "(8) Speakers (include cables) 738404-001". Read from the cached HP manual (via FDY-MM-016-H1).
HP description: "Speaker pair with cables". OEM documentation only; not bench-tested.
HP Maintenance and Service Guide c04823617, PDF pages 45, 105: "738404-001" (Speaker pair with cables). (via MG fold)
HP description: "Speaker pair with cables". OEM documentation only; not bench-tested.
HP Maintenance and Service Guide c04823617, PDF pages 45, 105: "738404-001" (Speaker pair with cables). (via MG fold)
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
738404-001