ITEM NAME:RGB CPU Cooler Fan 48 CFM Cooling Fan 22 dBA Radiator for Intel LGA1156 Description: 5 Color LED fan fin assembly designed, superb cooling performance. High air-flow Blade generate a large volume of air passing through the aluminum heatsink for steady air flow and cooling quality. Hassle-free installation with all-in-one back plate to be compatible with Intel LGA775 LGA 1155/1156/1366 CPU Sockets. 22dB(A) low noise hydraulic bearing ,the outer and inner quiet move to achieve the perfect combination of performance and silent. Fan Speed 1800RPM  ± 10%. Maximum working time 30000h. Compatible withï ¼Å¡Intel LGA775: Core2DUO/Celeronp/Pentium4/PentiumD; For Intel LGA 1155/1156/1366: Core i3/i5/i7 AMD/AM2AM2+/AM3/AM4ï ¼Å¡Sempron/Athlon 64/Athlon X2/Phenom 64/X58 X79 Specification: Prdouct Dimensions : 120 x 120 x 90mm Heat Sink Material: Aluminum Coltage : DC 12V Fan Speed : 1800R.P.M +/-10% Noise Level : 22 dB(A) Package Includes: 1 x LED Fan CPU Cooler Note: Transition: 1cm=10mm=0.39inch Please allow slightly 0-1cm difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience! SKU: DMO0011531477021993.1 x LED Fan CPU Cooler. 5 Color LED fan fin assembly designed, superb cooling performance. Fan Speed 1800RPM  ± 10%. Fan Speed : 1800R. P.M +/-10%. Noise Level : 22 dB(A).