Dynatron K2 low-profile CPU cooler for Intel LGA 1155 and 1156 applications, including: 2nd generation Intel Core i3/i5/i7, 3rd generation Intel Core i3/i5/i7 and Intel Xeon E3 processors. Maximum TDP 73W design w/ pre-printed thermal compound. The K2 features a copper heatsink w/ alloy-frame PWM, double ball-bearing blower for compact and efficient cooling.