GA-X79-UD5 (rev. 1.0) Intel® X79 Chipset X79UD5.13w Supports New Intel® Core™ i7 processor Extreme Edition 4 channel DDR3 support on 8 slots PCI Express Gen. 3 Support All New Digital Power Control for the CPU and Memory UEFI DualBIOS™ Technology GIGABYTE Bluetooth 4.0 and WiFi Card for faster data transfers 12 phase overclockable VRM design featuring POScap 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