Which hard drive fits the HP ProBook 640 G4? OEM part numbers

5 hard drives are documented for the HP ProBook 640 G4: 703267-001, 820572-001, 820573-001, L06427-850, L09539-001. 5 of 5 come from OEM documentation (kaas.hpcloud.hp.com); last checked 2026-11-12. Not bench-tested: match the number on your old hard drive and any constraint before ordering.

Part number	Part	Constraints	Confidence	Last checked
703267-001	HP 500 GB 7200 rpm 7 mm hard drive 703267-001	HP spare part: Hard drive, 500 GB, 7200 rpm. OEM documentation only; not bench-tested.	OEM documented	2026-11-12
820572-001	HP 500 GB 7200 rpm FIPS hard drive 820572-001	HP spare part: Hard drive, 500 GB, 7200 rpm, FIPS 140-2. OEM documentation only; not bench-tested.	OEM documented	2026-11-12
820573-001	HP 500 GB 7200 rpm Opal-2 hard drive 820573-001	OEM documentation only; not bench-tested.	OEM documented	2026-11-12
L06427-850	HP Hard drive, 1 TB, 7200 rpm L06427-850	HP spare part: Hard drive, 1 TB, 7200 rpm. OEM documentation only; not bench-tested.	OEM documented	2026-11-12
L09539-001	HP Hard drive cover (included in Bracket Kit) L09539-001	HP spare part: Hard drive cover (included in Bracket Kit). OEM documentation only; not bench-tested.	OEM documented	2026-11-12

Where do these HP ProBook 640 G4 hard drive part numbers come from?

5 of 5 fits are from OEM documentation (kaas.hpcloud.hp.com); each row links its source. Last checked 2026-11-12.

Are these hard drives tested in the HP ProBook 640 G4?

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.

All documented parts for the HP ProBook 640 G4.

Other parts for the HP ProBook 640 G4

Power Adapter (5) · Battery (1) · RTC Battery (2) · Display Bezel (2) · Cosmetic Plate (3) · Fingerprint Reader (2) · Display Cable (3) · Palmrest (2) · Screen (6) · Display Back Cover (2) · Bottom Cover (2) · Fan (1) · Heat Sink (2) · Hinge (2) · Keyboard (7) · Speakers (1) · Touchpad (4) · Camera (1) · Wireless Card (7) · Card Reader (1) · Microphone (1) · I/O Board (1) · SSD (8) · Power Cord (35) · Cable (1) · Power Button (1) · Motherboard (10) · Service Part (4) · Memory (3) · Antenna (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-g4) or the keyless JSON API.