Zalman Fatal1ty FS-C77 CPU Cooler with Red LEDs (Socket 478, 775, 754, 939, 940) From the world's best known PC gamer Johnathan "Fatal1ty" Wendel Intel Pentium 4 (Socket 775/478), AMD Sempron/AMD64 (Socket 754/939/940) compatible design for broad compatibility 120mm fan (with red LEDs) mounted in the heatsink for maximum cooling efficiency Wide reach of air flow simultaneously cools the VGA card, Northbridge, FET, and RAM Pure Copper base material ensures excellent heat dissipation