MSI N560GTX Twin Frozr II/OC Video Card Twin Frozr II Thermal DesignDual 8cm PWM Fans for 50% more airflow. MSI Afterburner overclocking utilitySupport Over Voltage function of GPU. Support advanced fan speed control.Support burn-in stability test. Military Class II ComponentsSFC (Super Ferrite Choke) has higher current for better overclocking ability. PhysX & 3D Vision Surround technologySupport PhysX technology effects for realist physics effect. SuperPipe technology and nickel-plated copper base for better dissipation. Cooler than reference design Hi-C CAP for GPU provides more precise voltage. All Solid CAPs have longer lifespan. Support 3D Vision Surround technology in SLI mode to provide 3 monitor output simultaneously and real 3D image experience.