The newly arrived ASUS GTX680-DC2O-2GD5 ships with 1084MHz Boost Clock and 2 GB GDDR5. To fully harness the power of 28nm GPUs, GTX680-DC2O-2GD5 comes with ASUS exclusive DirectCU II fansink and five flatten copper heat-pipes directly contacted the GPU, not only making this card 20% cooler but also leading 14dB quieter operation than reference card. ASUS GTX680-DC2O-2GD5 is also built with DIGI+ VRM for precise digital delivery and doubled 8+2 phase power design in Super Alloy Power technology, compared to 4+2 phase power design in reference card, for enhanced overclocked headroom. In addition, proprietary VGA Hotwire allows users to alter voltages directly on a hardware level, resulting in more precise modification. GPU Tweak utility helps users modify and tune NVIDIA GPU Boost clock speed, power target, and fan performance via an intuitive interface. Moreover, the card uses PCI Express 3.0 as the standard interface, doubling the data bandwidth of PCI Express 2.0. The power of GTX680-DC2O-2GD5 also supports NVIDIA. Adaptive VSync technology and 3D Vision surround. GTX680-DC2O-2GD5, the coolest and quietest GTX680 graphics card, provides perfect gaming experience!