Lenovo FANS
45K6550
is compatible in the following Models:
Lenovo ThinkCentre M Series desktops
ThinkCentre M78 - 10BS0006AU
ThinkCentre M78 - 10BS0007AU
ThinkCentre M78 - 10BS000BAU
ThinkCentre M78 - 10BSS00K1Y
ThinkCentre M78 - 1562A42
ThinkCentre M77 - 1997AU2
ThinkCentre M78 - 21141M3
ThinkCentre M78 - 4860CTO
ThinkCentre M75e - 5054B3M