ASRock LGA1155/Intel B75/DDR3/Quad CrossFireX/SATA3&USB3.0/A&V&GbE/MicroATX Motherboard B75 PRO3-M Supports: 2nd/3rd Generation Intel Core i7/ i5/ i3 Processors, Intel Turbo Boost 2.0 Technology, Hyper-Threading Technology Chipset: Intel B75 Memory: 4x DDR3-2200 (OC)/1600/1333/1066 DIMM Slots, Dual Channel, Non-ECC, Un-buffered, Max Capacity of 32GB Slots: 1x PCI-Express 3.0 x16 Slot, 1x PCI- Express 2.0 x16 Slot (runs at x4), 2x PCI Slots SATA: 3x SATA3 Ports, 5x SATA2 Ports Ports: 8x USB 2.0 Ports (4 rear, 4 via headers), 4x USB 3.0 Ports (2 rear, 2 via header), 1x PS/2 Keyboard Port, 1x VGA Port, 1x DVI Port, 1x HDMI Port, 1x Optical SPDIF Out, 1x RJ45 LAN Port, Audio I/O Jacks Power Connector: 1x 24pin ATX Power Connector, 1x 8pin 12V Power Connector