ASUS GTX 670 Series Graphics Card GTX670-DC2-4GD5 4G memory size offers perfect gaming experience at extremely high resolutions 20% cooler and vastly quieter performance with ASUS exclusive DirectCU II thermal solution ASUS uses 6+2 phase power design and 25 capacitors in DIGI+ VRM and Super Alloy Power technology for precise digital delivery and enhanced overclocked headroom. (compared to 4+2 phase and 12 capacitors in reference card) GPU Tweak utility allows you to tune graphics card performance and check card status via an intuitive interface