As the leading brand in enthusiastic graphics market, Gainward proudly presents the next member of GTX 700 graphics - GTX 770 series. Gainward GeForce GTX 770 series is powered by the latest generation of breakthrough NVIDIA Kepler. It is stacked with unique gaming technologies like NVIDIA GPU Boost 2.0 that make it fast - really fast, and 7Gbps memory - the fastest ever on a GPU. So nothing will hold you back from taking on-and dominating-your most challenging games. The Gainward GTX 770 Series is lead by Gainward GTX 770 Phantom - factory over-clocked with 1536 cores at 1202Mhz boost clock (1150Mhz base clock) and 2048MB GDDR5 memory at 3505Mhz; equivalent bandwidth is up to 224.3GB/sec. The new Phantom cooler for Gainward GeForce GTX 770 is brand-new design with "removable fan" - each fan body can be removed to clean if necessary. Furthermore, five 8mm heat pipes soldered by copper base help the GTX 770 Phantom dissipating the heat away from GPU easily and staying at very low acoustic level. "ExpertMode" is also introduced by Gainward GTX 770 Phantom. The innovation is co-operated with the "Expertool II", it provides hardcore OCer the ways to trick the board for extremely over-clocking beyond the factory over-clocked speed. Gainward GTX 770 2GB and GTX 770 Phantom 4GB are also available for customers who have different requirement. The Gainward GTX 770 series improves on past generations to deliver significantly improved thermal performance by: RPM-balancing filters for stable fan speeds and whisper-quiet acoustics. With the advanced thermal control, Gainward GTX 770 series can be low-power operation for a cooler-running PC. The implement of the DrMOS is to ensure Gainward GTX 770 series could handle high current with low energy loss. In addition, generates less heat under heavy loading operation, so that makes the board staying cool while over-clocking. With Gainward superior hardware design, users will experience blockbuster games with superlative gaming thrills and enjoy exceptional fill of the performance enhanced and quieter gameplay.