If you missed the press release with the full details on the Strix GTX 980 (and Strix GTX 970), click here, otherwise an overview of the card's design is below.
Dual slot DirectCU II based cooler, with STRIX 0dB fans stop entirely when the temp is low enough.
Wide 10mm heatpipes draw heat direct quicker from the GPU core out into the densely packed fins.
In an upgrade for Nvidia cards, there are now three DisplayPort connectors, one HDMI and one DVI.