Source:HP service guide
Source notes
HP Maintenance and Service Guide, PDF pages 33, 81, 84: "840694-001" (Smart card reader including metal shield). (via MG fold)
840694-001
HP Smart card reader including metal shield 840694-001
Which laptops does 840694-001 fit? 840694-001 (HP card reader) is documented to fit 4 laptop models: HP ProBook 640 G2, HP ProBook 645 G2, HP ProBook 650 G2 and HP ProBook 655 G2. Fits come from OEM documentation (HP service guide), last checked 2026-11-04; not bench-tested. Full compatibility list.
HP spare part description: "Smart card reader including metal shield". Documented OEM replacement; see each fit for configuration limits.
Compatible Business Laptop Models (4)
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.
Fit note for all 4 models: HP description: "Smart card reader including metal shield". OEM documentation only; not bench-tested.
Fits these models
| Model | Brand | Last checked | Confidence |
|---|---|---|---|
| HP ProBook 640 G2 All card reader for this model | HP | 2026-11-04 | OEM documented |
| HP ProBook 645 G2 All card reader for this model | HP | 2026-11-04 | OEM documented |
| HP ProBook 650 G2 All card reader for this model | HP | 2026-11-04 | OEM documented |
| HP ProBook 655 G2 All card reader for this model | HP | 2026-11-04 | OEM documented |
Source:HP service guide
Source notes
HP Maintenance and Service Guide, PDF pages 33, 81, 84: "840694-001" (Smart card reader including metal shield). (via MG fold)
Source:HP service guide
Source notes
HP Maintenance and Service Guide, PDF pages 33, 84: "840694-001" (Smart card reader including metal shield). (via MG fold)
Source:HP service guide
Source notes
HP Maintenance and Service Guide, PDF pages 33, 84: "840694-001" (Smart card reader including metal shield). (via MG fold)
Fits these models
Summary of the documented fits above (sources on each model card); not bench-tested.
| Model | Brand | Type |
|---|---|---|
| HP ProBook 640 G2 | HP | Business laptop |
| HP ProBook 645 G2 | HP | Business laptop |
| HP ProBook 650 G2 | HP | Business laptop |
| HP ProBook 655 G2 | HP | Business laptop |
Which card reader fits each model?
How to replace it
Fit check: Always confirm the OEM part/FRU number on your machine's label or in the service manual before buying. HP service guide
Key facts
- Part number
840694-001- Type
- Card Reader
- Brand
- HP
- Fits
- 4 catalog models
- Evidence
- OEM documented: 4
- Source
- h10032.www1.hp.com
- Last checked
- 2026-11-04
- Tested
- Not bench-tested; documentation only
- Machine-readable
- JSON, Markdown