GA-X79-UD3 (rev. 1.1) rev. 1.0 Intel® X79 Chipset X79UD3.F20 Supports New Intel® Core™ i7 processor Extreme Edition 4 Channel Memory Architecture PCI Express Gen. 3 Support UEFI DualBIOS™ Technology 8 phase overclockable VRM design featuring All Japanese solid capacitor and PowerPAK MOSFET design. 333 Onboard Acceleration features USB 3.0, SATA 3.0 and an unprecedented 3x USB power boost Unique On/Off charge technology GIGABYTE Ultra Durable™ 3 technology Dolby Home Theater® support High quality 110dB SNR HD audio