ASUS F2A55-M LE DDR3 2400 Motherboards New Era of Digital Power Design that fully enables Superior System Stability, High Power Efficiency, and Improved Performance Scaling Real-time Network Bandwidth control application that easily allows the users to prioritize bandwidth to different applications Simple integrated graphics performance boost with the flick of an onboard switch CPU: Socket FM2 Chipset: AMD A55 FCH (Hudson D2) Memory: 2x DDR3-1866/1600/1333/1066 DIMM Slots, Dual Channel, Non-ECC, Un-buffered, Max Capacity of 32GB Slots: 2x PCI-Express 2.0 x16 Slots (one runs at x4), 1x PCI-Express 2.0 x1 Slot, 1x PCI Slot SATA: 6x SATA2 Ports, Support RAID 0/ 1/ 10/ JBOD Ports: 12x USB 2.0 Ports (6 rear, 6 at mid-board), 1x PS/2 Keyboard/Mouse Combo Port, 1x VGA Port, 1x DVI Port, 1x HDMI Port, 1x Optical S/PDIF Out, 1x RJ45 LAN Port, Audio I/O Jacks Power Connector: 1x 24pin EATX Power Connector, 1x 4pin ATX 12V Power Connector