ASRock Micro ATX DDR3 1066 Intel-LGA 1155 Motherboards B75M-GL R2.0 CPU: LGA1155 Supports 3rd and 2nd Generation Intel Core i7/ i5/ i3/ Pentium/ Celeron/ Xeon Processors, Supports Intel Turbo Boost 2.0 Technology/Supports Hyper-Threading Technology Chipset: Intel B75 Memory: 2x DDR3-1600/ 1333/ 1066 DIMM Slots, Dual Channel, Non-ECC, Unbuffered, Max Capacity of 16GB Slots: 1x PCI-Express 3.0 x16 Slot, 1x PCI-Express 2.0 x16 Slot (runs at x4), 2x PCI Slots SATA: 1x SATA3 Port, 5x SATA2 Ports LAN: RTL8111E PCI-Express x1 Gigabit Ethernet Controller Ports: 4x USB 3.0 Ports (2 rear, 2 via header), 8x USB 2.0 Ports (4 rear, 4 via headers), 1x PS/2 Keyboard Port, 1x PS/2 Mouse Port, 1x VGA Port, 1x DVI-D Port, 1x RJ45 LAN Port, Audio I/O Jacks