00KT289 CTO; suitable for Lenovo M4500t IH81M motherboard H81 M73 M4550 100% tested before shipment and can be used normally|Motherboards| - AliExpress
Lenovo 03T7161 Socket LGA1150 IH81M VER:1.0 Mainboard for ThinkCentre E73 SFF PC | Motherboards | Blackmore IT