HIS Radeon HD 6770 IceQ Turbo 1 GB (128bit) GDDR5 Eyefinity DisplayPort 2x DL-DVI (HDCP) HDMI PCIe X16 2.1 Video Card (RoHS) - H677QNT1GD IceQ X Cooling Technology: Faster- cooler - quieter. The HIS IceQ X Turbo models are bios-overclocked out of the box, and thus brings the immersive gamers the best over-clocking potential. Dynamic Phase Control PWM IC - A energy saving technique for reducing power consumption. Solid State Choke (SSC) - Durable Iron that can maximize current capacity, power efficiency and stability. Full Solid State Capacitors - Extend the lifespan AMD Eyefinity: Gaming and productivity on up to three simultaneous displays, Expand your favorite games across multiple displays with AMD Eyefinity technology for an incredibly expansive field of view. Get the freedom and flexibility to upgrade. DirectX 11 Evolved: Game on the next level with intense effects and stunningly realistic graphics, With rich visuals and superb performance, AMD Radeon HD 6770 Graphics enable a truly immersive HD gaming experience. AMD App Acceleration: Accelerate everyday applications with AMD App Acceleration. Do more, faster. Maximize your online and Blu-ray video experiences with a new level of smooth visual quality with AMD App Acceleration.