C40 AIR COOLER SERIESDefeat heat created by your processor & allow for enhanced operation with Antec CPU coolers flow Designed for compatibility with leading desktop processor sockets all four CPU coolers supports Intel Core i 7 Core i 5 Core i 3 & AMD Phenom II among others This high-performance CPU cooler features a whisper-quiet liquid state bearing fan that works with your case s airflow to effectively force out heat created by your processor & rubber fan grommets to reduce vibration KEY FEATURES100 Fine copper Base 92mm LED PWM Fan Fin nickeling Seamless joint process Performance Rotational speed (min) 800 RPMRotational speed (max) 1600 RPMNoise level (low speed) 10 d B Noise level (high speed) 22 d B Type Cooler Suitable for Processor Fan diameter 92 cm Supported processor sockets Socket AM2 Socket AM3 Socket FM1 Socket FM2 Compatible processor series Intel Core i 3 Intel Core i 5 Intel Core i 7 Design Colour of product Copper