ARCTIC Freezer i30 CO Extreme CPU Cooler - Intel, 320W Ultimate Cooling Power,  for 24/7 Operation CPU cooler for Intel with superior cooling performance with a maximum cooling capacity of 320 Watts and lots of headroom for overclocking Transport-proof Intel cooler due to sturdy mounting mechanism with metal clips and back-plate, High performance ARCTIC MX-4 thermal paste included 4 double-sided direct-touch heatpipes and 48-fins heatsink for efficient heat dissipation, flexible 4 mounting directions to fulfill different air flow preferences Interchangeable 120 mm PWM fan with rubber vibration absorbers to minimize noise level of max. 0.3 sone even at full speed, Dual Ball Bearings designed for 24/7 Continuous Operation Compatible with Intel Sockets: 1150, 1151, 1155, 1156, 2011, 2011-3