Which laptops does 834423-001 fit? 834423-001 (HP SSD) is documented to fit 4 laptop models: HP ProBook 655 G1, HP ProBook 650 G1, HP ProBook 640 G1 and HP ProBook 645 G1. Fits come from OEM documentation (HP service guide), last checked 2026-11-12; not bench-tested. Full compatibility list.
HP spare part description: "256-GB SM841 locked solid-state drive, Opal2". 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 655 G1 All SSD for this model | HP | 2026-11-04 | OEM documented |
| HP ProBook 650 G1 All SSD for this model | HP | 2026-11-04 | OEM documented |
| HP ProBook 640 G1 All SSD for this model | HP | 2026-11-12 | Mostly documented (90–99%) |
| HP ProBook 645 G1 All SSD for this model | HP | 2026-11-12 | Mostly documented (90–99%) |
HP description: "256-GB SM841 locked solid-state drive, Opal2". OEM documentation only; not bench-tested.
HP Maintenance and Service Guide c04823617, PDF pages 58, 81: "834423-001" (256-GB SM841 locked solid-state drive, Opal2). (via MG fold)
HP description: "256-GB SM841 locked solid-state drive, Opal2". OEM documentation only; not bench-tested.
HP Maintenance and Service Guide c04823617, PDF pages 58, 81: "834423-001" (256-GB SM841 locked solid-state drive, Opal2). (via MG fold)
OEM documentation only; not bench-tested.
HP Maintenance and Service Guide c04823617, PDF page 58: "drive supporting Opal2 (for use only on 834423-001". 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 58: "drive supporting Opal2 (for use only on 834423-001". 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 655 G1 | HP | Business laptop |
| HP ProBook 650 G1 | HP | Business laptop |
| HP ProBook 640 G1 | HP | Business laptop |
| HP ProBook 645 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
834423-001