ASRock P67 Pro3 B3 Intel P67 ATX DDR3 2133 Motherboard CPU: Socket 1155 Support 2nd Generation Intel Core i7/i5/i3 Processor; Supports Intel Turbo Boost 2.0 Technology; Support Hyper-Threading Technology; Supports K-Series unlocked CPU Memory: 4x 240pin DDR3-2133(OC)/1866(OC)/1600/1333/1066 DIMMs, non-ECC, un-buffered, Dual Channel, Max Capacity Upto 32GB Slots: 1x PCI-Express 2.0 x16 Slot; 3x PCI-Express 2.0 x1 slots; 3x PCI Slots SATA: 4x SATA2 Ports, Suppport RAID 0/ 1/ 5/ 10; 1x SATA3 Ports; 1x SATA3/eSATA3 Combo Port, Suppport RAID 0/ 1/ 5/ 10 Ports: 12x USB 2.0 Ports (6 rear, 6 by headers); 2x USB 3.0 Ports; 2x PS/2 Ports; 1x eSATA3 Port; 1x Coaxial SPDIF Out Port; 1x Optical SPDIF Out Port; 1x RJ45 LAN Port; Audio I/O Jacks Audio: Realtek ALC892 7.1-Channel HD Audio CODEC Power Connector: 1x 24pin Main Power, 1x 8pin CPU Power