GA-890XA-UD3 (rev. 2.0) rev. 1.0 AMD 790X + SB850 Chipset BIOS 89XAUD32.FDa Supports new generation of AMD Phenom™ II X6 processors AMD SB850 provides 6 native SATA3 storage interfaces with superfast 6Gbps link speed and RAID 0, 1, 5, 10 support Supports newest NEC SuperSpeed USB 3.0 with superfast transfer rates of up to 5 Gbps 3X USB power delivery for greater compatibility and extra power for USB devices Exclusive Auto Unlock technology provides hardware-based solution for unleash CPU performance Ultra Durable 3 Technology with copper cooled quality for lower working temperature Revolution energy saving design with Easy Energy Saver technology Supports AMD AM3 Phenom™ II/ Athlon™ II processors Advanced 8+2 phase CPU VRM power design for AMD high-TDP 140W CPU support Dual Channel DDR3 1866+ for remarkable system performance 2 PCI-E 2.0 x16 interface with ATI CrossFireX support for ultimate graphics performance Supports Dolby Home Theater audio to enjoy a rich surround sound experience The Precision OV provides more precision voltage control for system Compatible with Window 7 to deliver the best operation experience Meet European Union ErP(Energy-related-Products) requirement