After showing to the world its Radeon HD 7970 PCB with all components placed, Yeston disclosed pictures of exactly what it's going to use to cool the beast. Yeston's cooling solution uses two big (probably 120 mm) fans inspired by the design of aircraft turbofans, with 18 blades on its impeller. Such impellers with PC cooling fans aren't new, and have been used in case fans designed by the likes of Cooler Master. However, this could be the first time such fans have been used in a VGA cooler.
Underneath the frame holding the two fans is a large aluminum fin stack-type heatsink that spans almost the entire area of the PCB. A copper base makes contact with the GPU, from it, six copper heat pipes originate, conveying heat to two aluminum fin stacks, which are then ventilated by the two fans. When fully assembled, the cooler is so large that it appears to span across almost four expansion slots. Yeston is reportedly still working on improving the design. Let's hope it gets a lot slimmer than that.