The ASUS GTX660-DC2-2GD5 is 20% cooler and 3x quieter than reference for better gaming experience. This graphic card not only brings performance and features of the industry-leading Kepler architecture, but also incorporates a number of exclusive innovation and technology, which are the products of years of research and experience by ASUS. DIGI+ VRM with Super Alloy Power delivers better power efficiency, lower noise and greater voltage modulation range. GPU Tweak utility puts you into driver's seat, allowing you to fully monitor and optimize the settings. DirectCU II cooling solution produces 20% higher cooling performance than reference design, eliminating your worry about overheating when overclocking.