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Expansion slots include two PCI-Express 2.0 x16 (electrical x8, x8 when both are populated), with 2-way NVIDIA SLI and AMD CrossFireX support. Storage connectivity includes four SATA 6 Gb/s (two from the Z68 PCH, two from a Marvell-made controller), and four internal SATA 3 Gb/s from the PCH. Other connectivity includes four USB 3.0 ports (two internal/by header), a number of USB 2.0 ports, FireWire, gigabit Ethernet, and 8-channel HD audio. The Z68X-UD3P should join the rest of Gigabyte's Z68X series, for an early May launch.
source: www.techpowerup.com