MSI DKA790GX SocketAM2+/140W CPU/AMD 790GX CrossFire/4DDR2-1066(AM2+)/ATI HyBrid CrossFire/Radeon HD 3300/GbE/HDMI/DVI/VGA/R/A/1394/ATX Motherboard CPU Socket Type AM2+/AM2; CPU Type Phenom / Athlon 64 X2 / Sempron; FSB 2600MHz Hyper Transport (5200 MT/s); Chipsets; North Bridge AMD 790GX; South Bridge AMD SB750 Number of Memory Slots 4240pin; Memory Standard DDR2 1066/800; (DDR2 1066 only for AM2+); Maximum Memory Supported 8GB; Dual Channel Supported Yes; Expansion Slots. PCI Express 2.0 x16; PCI Express x1 2; PCI Slots 2; PATA 1 x ATA100 2 Dev. Max; SATA 3Gb/s 5; SATA RAID 0/1/0+1/5/JBOD; Onboard Video Onboard Video Chipset ATI Radeon HD 3300; Audio Chipset Realtek ALC888; Audio Channels 8 Channels; Onboard LAN LAN Chipset Realtek 8111C; Max LAN Speed 10/100/1000Mbps Video Ports D-Sub + DVI; HDMI 1 x HDMI; USB 6 x USB 2.0; IEEE 1394 1 x IEEE 1394a; eSATA 1 x eSATA 3Gb/s; S/PDIF Out 1x Optical; Audio Ports 6 Ports; Onboard USB 6 x USB 2.0; Form Factor ATX; Dimensions 11.9 x 9.7 inches; Power Pin 24 Pin