The Arctic Alpine 12 CO is a compact CPU cooler for Intel processors, and provides a relatively flat radial heat sink made of aluminum and a 92 millimeter fan at a speed of 250 - 2.700 RPM (Controlled by PWM). The noise level is according to the manufacturer at only 35 db (A) .The features of the Arctic Alpine 12 CO processor cooler at a glance:- Tool-less installation without removal of the mainboard- Low weight of only 270 g- Compact dimensions with 95 x 77x 95 mm (W x H x D)- Suitable for Intel Socket 1150/1151/1155/1156 For processors up to 100 TDP max.The Arctic Alpine 12 CO is economical, light and low in vibration:With its light weight of just 270 grams , the Alpine 12 CO is a lightweight among the CPU coolers. With its long-life ball bearings and efficient motor, which has very little commutation due to sine magnetization, the 92 millimeter fan is very efficient in cooling the processor. The processor cooler comes complete with accessories: The efficient Arctic MX-2 thermal grease is already applied to the underside of the Alpine 12 CO from the factory . Also, the installation is done without tools , because with the help of the push pins, the cooler is simply installed on the CPU socket. Danger: Please note that some coolers come with a protective film on the bottom. This must always be removed before installation and commissioning. We assume no liability for damage due to incorrect or incorrect installation and improper use! Technical details:- Dimensions: 95 x 77 x 95 mm- Material: aluminum, copper, plastic-Weight: 270 g- Connection: 4-pin PWMCompatibility: - Intel Socket 1200, 1151, 1150, 1155, 1156Manufacturer\'s warranty:- 6 years