GA-990FXA-UD7 (rev. 1.x) rev. 3.0 AMD 990FX + SB950 Chipset BIOS 99FXAUD7.11d Supports newest AMD AM3+ FX/AM3 Phenom™ II series processors Advanced 8+2 phase CPU VRM power design for AMD high-TDP CPU support 6 PCI-E 2.0 interfaces for 4way AMD CrossFireX and SLI multi-graphics support AMD SB950 provides 6 native SATA3 ports with superfast 6Gbps link speed and RAID 0, 1, 5, 10 support Supports USB 3.0 with superfast transfer rates of up to 5 Gbps GIGABYTE 3x USB Power with On/Off Charge USB ports Ultra Durable 3 Technology with copper cooled quality for lower working temperature Turbo XHD technology accelerating hard drive performance with ease Revolution energy saving design with Easy Energy Saver technology Hi-def 108dB Signal-to-noise ratio Blu-ray DVD audio playback Patented DualBIOS with Hybrid EFI technology for 3TB HDD support Supports Dolby Home Theater audio Stylish Power/reset/Clr CMOS onboard button for power user needs