Number of Memory Slots: 2×240pin Memory Standard: DDR3 1866(O.C.) / 1600(O.C.) / 1333 / 1066 PCI Express 2.0 x16: 1 Onboard Video Chipset: ATI Radeon 3000 Audio Chipset: Realtek ALC887 Audio Channels: 8 Channels Max LAN Speed: 10/100/1000Mbps South Bridge: AMD SB710