ASUS HD7770-DC-1GD5-V2 AMD Radeon HD 7770 VGA 1 GB GDDR5 Graphics Card 20% Cooler with exclusive DirectCU thermal solution ASUS DIGI+ VRM technology and Super Alloy Power for precise digital delivery and enhanced durability GPU Tweak utility allows you to tune graphics card performance and check card status via an intuitive interface 1020 MHz Overclock for better performance and outstanding gaming experience AMD RadeonTM HD 7770