ASUS M4A89GTD PRO/USB3 - AMD 890FX CHIPSET - INTEGRATED ATI RADEON HD 4290 GRAPHICS - AMD AM3 PHENOM™II /ATHLON™II PROCESSORS, 4X DDR3 (MAX 16GB 2000MHZ OC) 6X SATA (RAID 0,1,5,10) 1X IDE, 1X E-SATA, 2X PCI EXPRESS 2.0 X16 (SUPPORT ATI CROSSFIRE TECHNOLOGY @ DUAL 8X SPEED), 1X PCI EXPRESS X1, 1X PCI EXPRESS X4, 2X PCI, 12X USB 2.0, 2X USB 3.0, 2X FW, 10/100/1000 GB LAN, REALTEK ALC892 8 CHANNEL HIGH DEF AUDIO, 1X POWER E-SATA, 1X FIREWIRE, 1X OPTICAL S/PDIF OUT, 1X PS2 , ATX FORM FACTOR - ASUS XTREME DESIGN, 8+2 PHASE POWER, ASUS EPU, PRECISION TWEAKER 3, OVERCLOCKING PROTECTION KEYBOARD, ATX FORM FACTOR - ASUS XTREME DESIGN, 8+2 PHASE POWER, ASUS EPU, PRECISION TWEAKER 3, OVERCLOCKING PROTECTION