MSI P45 Neo2-FR Core 2 Extreme/Intel P45/FSB 1600(OC)/4DDR2-1066(OC)/ATI CrossFireX/GbE/R/A/ATX Motherboard CPU Socket Type LGA 775 CPU Type Quad-core / Core 2 Extreme / Core 2 Duo / Pentium FSB 1600(O.C)/1333MHz Chipsets North Bridge Intel P45 South Bridge Intel ICH10R Number of Memory Slots 4240pin Memory Standard DDR2 1066(O.C.)/800 Maximum Memory Supported 16GB Dual Channel Supported Yes PCI Express 2.0 x16 2 x PCI Express 2.0 x16 slots - When using two PCIE x16 slots, the PCIE x16 lanes will auto arrange from x16/x0 to x8/x8 PCI Express x1 2 PCI Slots 2 PATA 1 x ATA100 2 Dev. Max SATA 3Gb/s 8 SATA RAID 0/1/5/10 Onboard Video Onboard Video Chipset None Onboard Audio Audio Chipset Realtek ALC888 Audio Channels 8 Channels LAN Chipset Realtek 8111C Max LAN Speed 10/100/1000Mbps Rear Panel Ports PS/2 2 USB 6 x USB 2.0 Audio Ports 6 Ports Onboard USB Onboard USB 3 x USB 2.0 connectors