Antec KUHLER Shelf CPU Cooler CPU cooler for Intel sockets LGA 1366, 1156, 775 Fits AMD sockets AM2, AM2+ and AM3 Compatible with Intel Core i8, i5, 2 extreme, 2 Quad, 2 Duo, Pentium D Compatible with AMD Phenom II, Athlon II, Sempron 100, Phenom 120mm Pulse Width Modulation fan for whisper-quiet operation