The Chinese company Colorful Technology, is widely known for its graphics cards series iGame, started selling premium cards Kudan 680. The video cards are addressed to overclockers, the cost of this 2-GB solution version is $ 893, the 4-GB version will cost $ 940.
The junior model has the following frequency for the GPU and video memory: 1100 MHz / 6400 MHz, and the eldest has a more modest figures: 1059 MHz / 6008 MHz, respectively.
The video card has a monstrous three slot cooling system with three fans.
iGame Kudan has a modular power system, there are eight phases located directly on the board. On the reverse side there is SO-DIMM connector, in which is installed an additional module with four voltage regulators.