AK-955A-BV2 Features: Intel® approved cooler for LGA 1200, 775, 1150, 1151, 1155, 1156 Core™ i3, i5 and i7 processors Full length copper ventilated core for rapid heat dissipation 9cm PWM fan with long-life twin ball bearing Open fan frame design increases air induction Bi-ped fins maximise heat dissipation Intel® approved push-pins for reliable retention and easy mounting High-performance thermal interface pre-applied for quick and clean installation Specifications: Socket type Intel LGA775, LGA1150, LGA1151, LGA1155, LGA1156, LGA1200 Cooler dimensions 94.8 x 94.8 x 62.4 (H) mm Heatsink material Aluminium with copper insert Weight 381 g Installation Push-pins Fan dimension ∅95 x 25 mm Fan speed 500 - 3400 RPM (PWM controlled) Max airflow 40.90 CFM Fan air pressure 3.81 mm H20 Noise level 19 - 36 dB(A) Current rating 0.34A Voltage rating 12V DC Bearing type Twin ball Fan life expectancy 50,000 hours Fan connector 4pin PWM Product code AK-955A-BV2