2004-08-12 Nvidia GeForce 6600 Graphics chips for the mainstream segment made in a 110 nm process. Native PCI Express will be supported, with a possible AGP-bridge solution. Will be called GeForce 6600 upon release. 6600 is clocked at 300 MHz, while the GT version runs at 500 MHz, is SLI-ready and uses GDDR-3. Formerly known as NV43.