Asus AMD Radeon R9 270X 4GB GDDR5 2DVI/HDMI/DisplayPort PCI-Express Video Card DirectCU II with precision-shaped SSU heatpipes utilizes highly-conductive copper and directly-centered GPU placement to double cooling efficiency in the same space. 1120 MHz engine clock for better performance and outstanding gaming experience. DIGI+ VRM with 8-phase Super Alloy Power delivers precise digital power for superior efficiency, reliability, and performance. GPU Tweak helps you modify clock speeds, voltages, fan performance and more, all via an intuitive interface. GPU Tweak Streaming lets you share on-screen action in real time  so others can watch live as games are played.