Ultra Durable VGA board provides dramatic cooling effect on lowering both GPU & memory temperature by doubling the copper inner layer of PCB. It reduces voltage ripples in normal & transient state, thus effectively lowers noises & ensures higher overclocking capability. Supporting multiple independent display outputs simultaneously, AMD Eyefinity technology delivers graphics display capabilities enabling massive desktop workspaces & ultra-immersive visual environments for the ultimate panoramic computing experience. Powered by AMD Radeon HD 6770 GPU Integrated with the first 1GB GDDR5 memory & 128-bit memory interface Features Dual-link DVI-I / HDMI / Displayport Support AMD Eyefinity & Cross Fire X & Avivo HD System power supply requirement: 450W (one 75W 6-pin PCI Express connector recommended)