GIGABYTE ATI Radeon HD6670 1 GB DDR3 VGA/DVI/HDMI PCI-Express Video Card GV-R667OC-1GI Powered by AMD Radeon HD 6670 GPU and Integrated with industry's best 1GB DDR3 memory and 128-bit memory interface Low RdS MOSFET DesignLow Power Loss - Ferrite Core Choke DesignLonger Life - All Solid Capacitor Design Gold Plated HDMI for optimum signal transfer between connections Core Clock: 820MHzMemory Clock: 1800MHz Features DVI-D / D-Sub / HDMI outputs with HDCP protection GIGABYTE Custom-Designed 100mm Cooler for maximum performance and whisper silent operation GIGABYTE Ultra Durable 2 Materials Ultra Cooling - Low RdS MOSFET Design Minimum System Power Supply Recommended 400W Low Power Loss - Ferrite Core Choke Design Longer Life - All Solid Capacitor Design