Gigabyte GA-990XA-UD3
2000 MHz FSB, Socket AM3, Supported Processor AMD Phenom II X6 / AMD Athlon II X4 / AMD Phenom X4, System Chipset AMD 990FX, Audio Chipset Realtek ALC889, LAN Chipset Realtek RTL8111E, Memory Technology DDR3 (32 GB Max Supported RAM), Memory Frequency 1600 / 2000 / 1866 MHz, 4 Memory Slots