The chaps at Expreview report Inno3D has developed a watercooling solution for the NVIDIA Fermi. The waterblock is smaller than the company's GeForce GTX 295 waterblock, it measures 164mm x 104mm x 19.6mm and weighs 912g.
The block base is made of C1100 copper with nickel-plating, while the top cover is made of POM (Polyoxymethylene plastic). The model uses G1/4" thread and includes SLI adapters/fittings.