ARCTIC Freezer i11 CO, Compact Performance CPU Cooler with High-Precision Dual Ball Bearing and 92 mm PWM Fan for Intel, Direct Touch Heat Transfer CPU cooler with dual ball bearing to enable continuous operation for Intel sockets 1150, 1151, 1155, 1156, 2011, 2011-3 Improved air flow guidance due to a refined 92 mm ARCTIC PWM fan Direct touch heat transfer with 3 double-sided copper heat pipes High performance ARCTIC MX-4 thermal paste included 6-year warranty and easy-to-reach support provided by the ARCTIC service team