South Bridge: Intel ICH10R Number of Memory Slots: 6×240pin Memory Standard: DDR3 2000(O.C.)/1866(O.C.)/1800(O.C.)/ 1600(O.C.)/1333/1066 PCI Express 2.0 x16: 5 (x16, x16/x8, x16/x8, x8, x8) Onboard Video Chipset: None Audio Chipset: Realtek ALC889 Max LAN Speed: Dual 10/100/1000Mbps SATA 3Gb/s: 6