GIGABYTE GA-870A-USB3 AM3 AMD 870 SATA 6Gb/s USB 3.0 ATX AMD Motherboard CPU:Support for AMD AM3+/AM3 Phenom II processor / AMD Athlon II processor; Chipsets: AMD 870/AMD SB850 Memory: 4 x 1.5V DDR3 DIMM sockets supporting up to 16 GB of system memory,Dual channel memory architecture, Audio: Realtek ALC889 codec,High Definition Audio; LAN:1 x Realtek 8111E chip (10/100/1000 Mbit) Expansion Slots:1 x PCI Express x16 slot running at x16, 1 x PCI Express x16 slot running at x4, 2 x PCI Express x1 slots, 3 x PCI slots Storage Interface:6 x SATA 6Gb/s connectors supporting up to 6 SATA 6Gb/s devices support for SATA RAID 0, RAID 1, RAID 5, RAID 10, and JBOD Audio: Realtek ALC889 codec, High Definition Audio; LAN:1 x Realtek 8111E chip (10/100/1000 Mbit) Back Panel Connectors:1 x PS/2 keyboard/mouse port,1 x coaxial S/PDIF Out connector, Internal I/O Connectors:1 x 24-pin ATX main power connector,1 x 8-pin ATX 12V power connector Memory: 4 x 1.5V DDR3 DIMM sockets supporting up to 16 GB of system memory, USB:Up to 12 USB 2.0/1.1 ports and Up to 2 USB 3.0/2.0 ports Support for DDR3 2000(O.C.)/1333/1066 MHz memory modules ,6 x SATA 6Gb/s connectors,1 x CPU fan header,2 x system fan header,1 x power fan header,1 x front panel header,1 x front panel audio header,1 x CD In connector,1 x S/PDIF In header,1 x S/PDIF Out header,2 x USB 2.0/1.1 headers,1 x serial port header,1 x clearing CMOS jumper Dual channel memory architecture, Support for DDR3 2000(O.C.)/1333/1066 MHz memory modules 1 x optical S/PDIF Out connector,8 x USB 2.0/1.1 ports,2 x USB 3.0/2.0 ports,1 x RJ-45 port,6 x audio jacks