Which memory fits the HP EliteBook 850 G5? OEM part numbers

4 memories are documented for the HP EliteBook 850 G5: 862397-850, 862398-850, 865396-850, L48394-001. 4 of 4 come from OEM documentation (kaas.hpcloud.hp.com); last checked 2026-11-12. Not bench-tested: match the number on your old memory and any constraint before ordering.

Part numberPartConstraintsConfidenceLast checked
862397-850HP Memory 862397-850HP spare part: 4-GB. OEM documentation only; not bench-tested.OEM documented2026-11-12
862398-850HP Memory 862398-850HP spare part: 8-GB. OEM documentation only; not bench-tested.OEM documented2026-11-12
865396-850HP Memory module (DDR-2400), 16-GB 865396-850HP spare part: 16-GB. OEM documentation only; not bench-tested.OEM documented2026-11-12
L48394-001HP 118 GB, PCIe (Optane Memory Module) L48394-001HP spare part: 118 GB, PCIe (Optane Memory Module). OEM documentation only; not bench-tested.OEM documented2026-11-12

Where do these HP EliteBook 850 G5 memory part numbers come from?

4 of 4 fits are from OEM documentation (kaas.hpcloud.hp.com); each row links its source. Last checked 2026-11-12.

Are these memories tested in the HP EliteBook 850 G5?

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 EliteBook 850 G5.

Other parts for the HP EliteBook 850 G5

Battery (2) · Power Adapter (7) · RTC Battery (1) · Camera (2) · Keyboard (2) · Microphone (2) · Bottom Cover (1) · Heat Sink (2) · Hinge (2) · Speakers (1) · Touchpad (1) · Display Back Cover (1) · Display Bezel (2) · Screen (3) · Palmrest (1) · Fan (1) · Wireless Card (7) · Fingerprint Reader (2) · I/O Board (1) · Motherboard (12) · SSD (8) · Card Reader (1) · Power Button (1) · Power Cord (25) · Service Part (8) · Cable (5)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model hp-elitebook-850-g5) or the keyless JSON API.

Key facts

Model
HP EliteBook 850 G5
Part type
Memory
Documented parts
4
OEM-documented fits
4 of 4
Source sites
kaas.hpcloud.hp.com
Last checked
2026-11-12
Tested
Not bench-tested; documentation only