These were removed from working PC's.
Lenovo ThinkCentre M700 Socket LGA1151 DDR4 Motherboard I/O Shield 01AJ167
Mainboard Lenovo Thinkcentre M910q FRU 01LM269 IQ2X0IH LGA1151 Q270
Lenovo ThinkCentre M82 Type 2929 Cables & Front Panel Parts FRU Variants
Lenovo ThinkCentre M720q Motherboard 5B20U53712 LGA1151 DDR4
IBM Lenovo IS8XT Motherboard System Board ThinkCentre
Lenovo P520 ThinkStation Motherboard Logic Board 5B20W03038 Socket Type LGA2066
