My Lenovo E73 MT sleeper build I've been using and upgrading for the past few months while pc prices and GPU's have skyrocketed. Originally was a basic Lenovo E73 Before I upgraded
Lenovo FRU 00KT266 Motherboard IH81M Socket 1150 System Board
For Lenovo ThinkCentre E73 IH81M H81 Motherboard DDR3 03T7161 00KT254 00KT255 LGA 1150 Full Tested