Which motherboard fits the Lenovo IdeaPad 3 14ADA05? OEM part numbers

12 motherboards are documented for the Lenovo IdeaPad 3 14ADA05: 5B20S44284, 5B20S44285, 5B20S44286, 5B20S44287, 5B20S44288 and 7 more. 12 of 12 come from OEM documentation (pcsupport.lenovo.com); last checked 2026-11-04. Not bench-tested: match the number on your old motherboard and any constraint before ordering.

Part number	Part	Constraints	Confidence	Last checked
5B20S44284	Lenovo Lenovo BDPLANAR MB L 81W0 WIN R33250U_UMA_4G 5B20S44284	Lenovo description: "Lenovo BDPLANAR MB L 81W0 WIN R33250U_UMA_4G". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B20S44285	Lenovo MB L 81W0 NOK R33250U_UMA_4G 5B20S44285	Lenovo description: "MB L 81W0 NOK R33250U_UMA_4G". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B20S44286	Lenovo BDPLANAR MB L 81W0 WIN A3150U_UMA_4G 5B20S44286	Lenovo description: "BDPLANAR MB L 81W0 WIN A3150U_UMA_4G". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B20S44287	Lenovo MB L 81W0 NOK A3150U_UMA_4G 5B20S44287	Lenovo description: "MB L 81W0 NOK A3150U_UMA_4G". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B20S44288	Lenovo Lenovo BDPLANAR MB L 81W0 WIN A3050U_UMA_4G 5B20S44288	Lenovo description: "Lenovo BDPLANAR MB L 81W0 WIN A3050U_UMA_4G". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B20S44289	Lenovo MB L 81W0 NOK A3050U_UMA_4G 5B20S44289	Lenovo description: "MB L 81W0 NOK A3050U_UMA_4G". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B20S44369	Lenovo Lenovo BDPLANAR MB L 81W0 WINR53500U_UMA_4G 5B20S44369	Lenovo description: "Lenovo BDPLANAR MB L 81W0 WINR53500U_UMA_4G". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B20S44370	Lenovo BDPLANAR MB L 81W0 NOKR53500U_UMA_4G 5B20S44370	Lenovo description: "BDPLANAR MB L 81W0 NOKR53500U_UMA_4G". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B20S44371	Lenovo Lenovo BDPLANAR MB L 81W0 WINR73700U_UMA_4G 5B20S44371	Lenovo description: "Lenovo BDPLANAR MB L 81W0 WINR73700U_UMA_4G". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B20S44372	Lenovo MB L 81W0 NOKR73700U_UMA_4G 5B20S44372	Lenovo description: "MB L 81W0 NOKR73700U_UMA_4G". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B20S44373	Lenovo MB L 81W0 WIN3020E_UMA_0G 5B20S44373	Lenovo description: "MB L 81W0 WIN3020E_UMA_0G". OEM documentation only; not bench-tested.	OEM documented	2026-11-04
5B20S44374	Lenovo MB L 81W0 NOK3020E_UMA_0G 5B20S44374	Lenovo description: "MB L 81W0 NOK3020E_UMA_0G". OEM documentation only; not bench-tested.	OEM documented	2026-11-04

Where do these Lenovo IdeaPad 3 14ADA05 motherboard part numbers come from?

12 of 12 fits are from OEM documentation (pcsupport.lenovo.com); each row links its source. Last checked 2026-11-04.

Are these motherboards tested in the Lenovo IdeaPad 3 14ADA05?

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 IdeaPad 3 14ADA05.

Other parts for the IdeaPad 3 14ADA05

Service Part (233) · Camera (5) · Battery (9) · SSD (18) · Keyboard (217) · Screen (13) · Cable (3) · Memory (14) · Hard Drive (4) · Screw Kit (8) · Display Bezel (1) · Wireless Card (2) · Fan (1) · Hinge Cover (4) · Hinge (1) · Display Back Cover (4) · Power Adapter (18) · RTC Battery (2) · I/O Board (2) · Heat Sink (2)

For AI agents: the same list as JSON from the free MCP server at /mcp (tool get_model_parts, model lenovo-ideapad-3-14ada05) or the keyless JSON API.