MSI N560GTX-Ti Twin Frozr II GeForce GTX 560 Ti (Fermi) 1GB 256-bit GDDR5 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card Twin Frozr II Thermal DesignDual 8cm PWM Fans for 50% more airflow. SuperPipe technology and nickel-plated copper base for better dissipation20 cooler than reference design. MSI Afterburner overclocking utility Support Over Voltage function of GPU. Support advanced fan speed control. Support burn-in stability test. Military Class II Components SFC (Super Ferrite Choke) has higher current for better overclocking ability. Hi-C CAP for GPU provides more precise voltage. All Solid CAPs have longer lifespan. PhysX & 3D Vision Surround technology Support PhysX technology effects for realist physics effect. Support 3D Vision Surround technology in SLI mode to provide 3 monitor output simultaneously and real 3D image experience Engine Clock: 822 MHz Video Memory: 1GB DDR5 Memory Clock: 4008 MHz Memory Interface: 256-bit Bus: PCI-Express 2.0 x16