MSI  Intel Z68 (B3) Chipset ATX DDR3 1066 Intel - LGA 1155 Motherboards Z68A-G43 (G3) CPU: Socket 1155 Support Intel Core i7/ i5/ i3 Processors Chipset: Intel Z68 (B3) Chipset Memory: 4x DDR3-2133(O.C.)/1866/1600/1333/1066 DIMMs, Dual Channel, Unbuffered, Max Capacity up to 32GB Slots: 1x PCI-Express 3.0 x16 Slot; 1x PCI-Express 2.0 x16 Slot(support CrossFireX); 2x PCI-Express 2.0 x1 Slots; 3x 3.3V/5V PCI Slots SATA: 4x SATA2 Ports, 2x SATA3 Ports, support RAID 0/ 1/ 5/ 10 Ports: 12x USB 2.0 Ports(4 rear, 8 by headers); 2x USB 3.0 Ports Power Connector: 1x 24pin main power connector, 1x 4pin CPU power connector Form Factor: ATX