Lenovo HEAT SINKS
41R5731
is compatible in the following Models:
Lenovo ThinkStation C Series workstations
ThinkStation C20 - 426323M
ThinkStation C20 - 4263AM7
ThinkStation C20 - 4263AV7
ThinkStation C20 - 4263B77
ThinkStation C20 - 4263BA4
ThinkStation C20 - 4263BF7
ThinkStation C20 - 4263C12
ThinkStation C20 - 4263CTO
ThinkStation C20 - 4265CTO
ThinkStation C20x - 426921M
ThinkStation C20x - 4269CTO