ASUS VANGUARD B85 Motherboard
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Unlike the Z87, the B85 chipset does not allow the bandwidth of the PCI Express 3.0 x16 slot to be shared with a second (and a third) slot.
The VANGUARD B85 comes with one PCI Express 3.0 x16 slot, one PCI Express 2.0 x1 slot, one PCI slot, and one PCI Express 2.0 x16 slot (which always works at x4 speed).
The motherboard support CrossFireX, but not SLI technology.

