Lenovo PROCESSORS
63Y9159
is compatible in the following Models:
Lenovo ThinkStation S Series workstations
ThinkStation S20 - 41051EM
ThinkStation S20 - 4105B5M
ThinkStation S20 - 4105CTO
ThinkStation S20 - 4105NU6
ThinkStation S20 - 4105PH2
ThinkStation S20 - 4157CTO
ThinkStation S20 - 4157NR8