Which hard drive fits the HP ProBook 640 G1?

17 hard drives are documented for the HP ProBook 640 G1: 603783-001, 634862-001, 683801-001, 686850-001, 703267-001 and 12 more. All 17 come from a labelled third-party retailer listing (h10032.www1.hp.com), not Samsung documentation; last checked 2026-11-12. Not bench-tested: match the number on your old hard drive and any constraint before ordering.

Part numberPartConstraintsConfidenceLast checked
603783-001HP Hard drive, 320-GB 7200-rpm, 9.5-mm 603783-001HP spare part: 320-GB, 7200-rpm, 9.5-mm hard drive. OEM documentation only; not bench-tested.Mostly documented (90–99%)2026-11-12
634862-001HP Hard drive 320-GB 7200-rpm SATA 7.0-mm 634862-001HP spare part: 320-GB, 720000-rpm, 7.0-mm hard drive. OEM documentation only; not bench-tested.Mostly documented (90–99%)2026-11-12
683801-001HP Hard drive, 500-GB 7200-rpm, 7.0-mm SED 683801-001HP spare part: 500-GB, 7200-rpm, 7.0-mm, SED hard drive. OEM documentation only; not bench-tested.Mostly documented (90–99%)2026-11-12
686850-001HP Hard Drive 686850-001OEM documentation only; not bench-tested.Mostly documented (90–99%)2026-11-12
703267-001HP 500 GB 7200 rpm 7 mm hard drive 703267-001HP spare part: 500-GB, 7200-rpm, 7.0-mm hard drive. OEM documentation only; not bench-tested.Mostly documented (90–99%)2026-11-12
703268-001HP Hard drive, 500-GB 7200-rpm SATA 7.0-mm 703268-001HP spare part: 500-GB, 7200-rpm, 7.0-mm, SED hard drive. OEM documentation only; not bench-tested.Mostly documented (90–99%)2026-11-12
730946-001HP Hard drive 500-GB 5400-rpm FIPS 7.0-mm 730946-001HP spare part: 500-GB, 5400-rpm, 7.0-mm, FIPS hard drive. OEM documentation only; not bench-tested.Mostly documented (90–99%)2026-11-12
738395-001HP Hard drive hardware kit with bracket and screws 738395-001OEM documentation only; not bench-tested.Mostly documented (90–99%)2026-11-12
766644-001HP Hard drive, 1-TB 7200-rpm SATA 9.5-mm 766644-001OEM documentation only; not bench-tested.Mostly documented (90–99%)2026-11-12
778186-001HP Hard drive, 500-GB 5400-rpm, 7.0-mm 778186-001HP spare part: 500-GB, 5400-rpm, 7.0-mm hard drive. OEM documentation only; not bench-tested.Mostly documented (90–99%)2026-11-12
778188-001HP Hard drive, 500-GB 5400-rpm, 9.5-mm 778188-001OEM documentation only; not bench-tested.Mostly documented (90–99%)2026-11-12
778189-001HP Hard drive, 500 GB, 7200 rpm, 7 mm 778189-001OEM documentation only; not bench-tested.Mostly documented (90–99%)2026-11-12
778191-001HP Hard drive, 750-GB 7200-rpm, 9.5-mm 778191-001HP spare part: 750-GB, 7200-rpm, 9.5-mm hard drive. OEM documentation only; not bench-tested.Mostly documented (90–99%)2026-11-12
778192-001HP Hard drive, 1-TB 5400-rpm, 9.5-mm 778192-001HP spare part: 1-TB, 5400-rpm, 9.5-mm hard drive. OEM documentation only; not bench-tested.Mostly documented (90–99%)2026-11-12
812618-001HP Hard drive, 500-GB 5400-rpm SATA FIPS 7.0-mm 812618-001HP spare part: 500-GB, 5400-rpm, 7.0-mm, FIPS hard drive. OEM documentation only; not bench-tested.Mostly documented (90–99%)2026-11-12
817631-001HP Hard drive, 500-GB 7200-rpm, 7.0-mm locked 817631-001OEM documentation only; not bench-tested.Mostly documented (90–99%)2026-11-12
835495-001HP Hard drive, 500-GB 5400-rpm, 7.0-mm locked 835495-001OEM documentation only; not bench-tested.Mostly documented (90–99%)2026-11-12

Where do these HP ProBook 640 G1 hard drive part numbers come from?

All 17 fits are from a labelled third-party retailer listing (h10032.www1.hp.com), not Samsung documentation; each row links its source. Last checked 2026-11-12.

Are these hard drives tested in the HP ProBook 640 G1?

No. Fits come from manufacturer or retailer documentation and are not bench-tested. Check the part number on your old part and any listed constraint.

How to replace it

Steps paraphrased from the manufacturer service manual, with page citations. Not bench-tested.

All documented parts for the HP ProBook 640 G1.

Other parts for the HP ProBook 640 G1

Power Adapter (9) · Battery (4) · Fan (2) · Heat Sink (2) · SSD (17) · Memory (4) · Screen (14) · Keyboard (198) · Hinge Cover (1) · Bottom Cover (2) · Service Door (4) · Card Reader (3) · Speakers (1) · Touchpad (10) · Motherboard (70) · Display Bezel (6) · Display Cable (4) · Power Cord (16) · Service Part (48) · Cable (3) · Wireless Card (5) · RTC Battery (1) · Camera (1) · Microphone (1) · Hinge (1) · Screw Kit (1)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model hp-probook-640-g1) or the keyless JSON API.

Key facts

Model
HP ProBook 640 G1
Part type
Hard Drive
Documented parts
17
OEM-documented fits
0 of 17
Source sites
h10032.www1.hp.com
Last checked
2026-11-12
Tested
Not bench-tested; documentation only