This Supermicro heatsink assembly is designed for a 1U passive environment and is compatible with AMD Opteron Socket F (1207), 754, or Athlon64 939 and 940 processors.
Application:
AMD Athlon64 Socket 939 and 940 CPU up 4200+
AMD Opteron Socket 754 CPU up 2800+
AMD Opteron Socket 1207(F) 3.5" Mounting Pitch & CPU up 2800+