Northbridge Chipset: AMD 790X Southbridge Chipset: AMD SB600 Memory Support: 4 X 4GB DDR2 1066 Slots: Two PCI-E 16x, 3 PCI E 1x, two PCI E 1x, two PCI 32-bit Onboard 2-Channel IDE , 4 Serial ATA2 300Gbps, 1 HDMI port Onboard 7.1 Channel RealTek ALC889A Onboard 10/100/1000 Ethernet