Intel I3 I5 I7 LGA Socket 1156 / 1155 CPU Cooler Fan Heatsink, Screw Mounting Type Designed for Intel Core i3 / i5 (LGA Socket 1150 / 1151 / 1156 / 1155) CPU Cooler Fan Heatsink, Screw Mounting Type Dimensions (As mounted to motherboard): 88mm x 88mm x 70mm TDP 130W, 82.6 CFM, 4400 RPM, PWM Fan 4-wire/4-Pin Fan with Speed Sensor / PWM Function, (Wire's color may vary) Screw Mounting to Motherboard's Backplate Style (NOT PLASTIC PUSH PIN STYLE)