ASUS HD7950 DirectCU II 900MHz Overclocked GPU and Eyefinity Capability Graphics Cards HD7950-DC2T-3GD5 900MHz factory overclocked 20% Cooler with exclusive DirectCU II thermal solution 28nm GPUs and 3GB GDDR5 for smoother gaming GPU Tweak utility allows you to tune graphics card performance and check card status via an intuitive interface Expand your visual horizons across six displays with AMD Eyefinity technology New PCI Express 3.0 delivers improved encoding and twice the performance of PCI Express 2.0 Microsoft DirectX 11 Support CrossFire X Support