For card expansion the XFX 680i does not leave you hanging. It offers two PCI slots, two PCI-e 1x slots for future cards coming out, like wi-fi and more, two x16 PCI-e slots, and one x8 PCI-e slot. Yes, you heard me right, two full 16x slots for SLi cards and more. No more cutting the second x16 slot's bandwidth in half when you run multiple graphics cards. With this set up you can have two graphics cards running in SLi mode in the black slots and also have a Physx card running in the blue slot for optimum game performance. You can also have three graphics cards in each of the slots for multiple monitor setups for games or business applications with, of course, the blue one only running in x8 speeds.

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