MSI LGA1155/Intel P67 B3/DDR3/SATA3&USB3.0/A&GbE/ATX Motherboard P67A-C43 (B3) CPU: Socket 1155 Support Intel Sandy Bridge Processors Chipset: Intel P67 (B3) Chipset; Memory: 4x 240pin DDR3-2133(OC)/1600/1333/1066 DIMMs, Dual Channel, Max Capacity Upto 32GB Slots: 1x PCI-Express 2.0 x16 Slot; 3x PCI-Express 2.0 x1 Slots; 3x 32-bit 3.3V/5V PCI slots; SATA: 4x SATA2 Ports, Support RAID 0/1/5/10; 2x SATA3 Ports, Support RAID 0/1 Audio: Realtek ALC892 Flexible 8-channel Audio Codec, w/jack sensing; LAN: Realtek 8111E PCI-Express Gigabit Ethernet Controller Ports: 12x USB 2.0 Ports (8 rear, 4 by header); 2x USB 3.0 Ports; 1x PS/2 Port; 1x Optical SPDIF-out; 1x Coaxial SPDIF-out; 1x RJ45 LAN Port; Audio I/O jacks; Power Connector: 1x 24pin main power connector, 1x 8pin CPU power connector