AMD today showaced the upcoming dual-GPU Radeon HD 6990 at AMD's "Asia Pacific Fusion Tech Day" in Singapore. The company showcased a Radeon HD 6990 reference card known as "Antilles" and said that it will hit the market at end the first quarter of 2011, Japanese web site 4gamer.net reported today.

The dual-slot graphics is powered by eight- and six-pin PCI Express connectors and has a single CrossFire connector, one DVI output, and four Mini DisplayPort outputs.