Antec C40. Type: Cooler, Fan diameter: 9.2 cm, Rotational speed (min): 800 RPM, Rotational speed (max): 1600 RPM, Noise level (low speed): 10 dB, Noise level (high speed): 22 dB. Product colour: CopperC40 AIR COOLER SERIESDefeat heat created by your processor and allow for improved operation with Antec CPU coolers flow. Designed for compatibility with leading desktop processor sockets, all four CPU coolers supports Intel Core i7, Core i5, Core i3 and 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 and rubber fan grommets to reduce vibration.KEY FEATURES:- 100% Fine copper Base- 92mm LED PWM Fan- Fin nickeling- Seamless joint process Performance Suitable location Processor Type Cooler Fan diameter 9.2 cm Supported processor sockets Socket AM2, Socket AM3, Socket FM1, Socket FM2+ Compatible processor series Intel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7 Rotational speed (min) 800 RPM Rotational speed (max) 1600 RPM Noise level (low speed) 10 dB Noise level (high speed) 22 dB Design Product colour Copper Other features Harmonized System (HS) code 84733080