GA-X79-UP4 (rev. 1.1) rev. 1.0 Intel® X79 Chipset Supports New Intel® Core™ i7 processor Extreme Edition GIGABYTE Ultra Durable™5 technology PCI Express Gen 3.0 support 4-way CrossFireX™ and 4-way SLI™ Support 4 Channel Memory Architecture with 8 DIMM slots GIGABYTE On/Off Charge™ with 3X USB Power