Lenovo SYSTEM BOARDS
5B20W03052
is compatible in the following Models:
Lenovo ThinkStation P Series workstations
ThinkStation P520c Workstation - 30BXCTO1WW
ThinkStation P520c Workstation - 30BXCTO1WWAU2
ThinkStation P520c Workstation - 30BXCTO1WWAU3
ThinkStation P520c Workstation - 30BXCTO1WWENAU9