Type: Fan & Heatsinks RPM: Quiet Mode(with RC5): 850 ~ 1,100rpm ± 10% Performance Mode(without RC5): 950 ~ 1,200rpm ± 10% LED: Blue Noise Level: Quiet Mode(with RC5): 22dBA ± 10% Performance Mode(without RC5): 24dBA ± 10% Color: Gray Heatsink Material: Pure Copper, Aluminum Compatibility: Intel: 2011 / 1155 / 1156 / 1366 / 775 AMD: FM1 / AM3+ / AM3 / AM2+ / AM2 Heatsink Dimensions: 151(L) x 132(W) x 154(H)mm