Processor Air cooler 9.2 cm 2000 RPM Supported processor sockets: LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1156 (Socket H) Dual ball bearing Pulse-width modulation (PWM) support Aluminium, Black 1 pc(s) Here is the Freezer i13 X CO - Ready to cool your Intel CPUThe ARCTIC Freezer i13 X CO is a compact CPU cooler with one 92mm fan. It benefits from an improved heatsink design and a reworked heat pipe layout. In conjunction with the fan, which is optimised for high static pressure, ARCTIC was been able to significantly improve the Freezer i13 X CO's cooling performance. With the use of a double ball bearing it is designed for continuous operation and is therefore also suitable for 24/7 operations. It is supplied with pre-applied ARCTIC MX-2 thermal compound and has a simple assembly system. Performance Quantity per pack 1 pc(s) Bearing type Dual ball bearing Pulse-width modulation (PWM) support Yes Noise level 0.3 sone Rotational speed (max) 2000 RPM Rotation