MSI Socket AM3/AMD 870/DDR3/SATA3 & USB3.0/A&GbE/ATX Motherboard 870A-G46 CPU: Socket AM3 Support AMD Phenom II Processors; Support Hyper Transport 3.0 Technology, FSB up to 5200MT/s Chipset: AMD 870 + SB850; Memory: 4x DDR3-1600(OC)/1333/1066/800 DIMMs, Dual Channel, Unbuffered, Max Capacity up to 32GB Slots: 2x PCI-Express 2.0 x16 Slots(one run at x4); 1x PCI-Express x1 Slot; 3x 3.3V/5V PCI Slots; SATA: 6x SATA3 Ports, Supports RAID 0/1/5/10 Audio: Integrated Realtek ALC892 Flexible 8-channel Audio CODEC w/jack sensing, Support True Blu-ray Audio; LAN: Realtek 8111DL PCI-Express 10/100/1000 Mb/s Gigabit Ethernet Controller Ports: 12x USB 2.0 Ports (6 rear, 6 by headers); 2x USB 3.0 Ports; 1x PS/2 Port; 1x Serial Port; 1x Optical SPDIF-out Port; 1x RJ45 LAN Port; Audio I/O Jacks; Power Connector: 1x 24pin Main Power, 1x 8pin CPU Power