Like all GeForce 7800 GT cards, the Verto is capable of running dual-link DVI. ↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑
This lets you achieve a maximum resolution of 2,560x1,600 at a 60Hz refresh rate, which high-end monitors such as Apple's 30-inch Cinema HD Display require.