ASUS M4A79XTD EVO - AMD 790X, AM3, DDR3, SATA2, GLAN, 1394, E-SATA, ATX

CPU: AMD Socket AM3 ;Phenom™II /Athlon™II /Sempron™ 100 Series Processors AMD Cool 'n' Quiet™ Technology Supports 45nm CPU Chipset: AMD 790X/SB750 System Bus: Up to 5200 MT/s ; HyperTransport™ 3.0 Memory: 4 x DIMM, Max. 16 GB, DDR3 1800(O.C.)/1600/1333/1066 ECC,Non-ECC,Un-buffered Memory Dual Channel memory architecture *Due to OS limitation, when installing total memory of 4GB capacity or more, Windows® 32-bit operation system may only recognize less than 3GB. Hence, a total installed memory of less than 3GB is recommended. **Refer to www.asus.com for the memory QVL (Qualified Vendors Lists). Expansion Slots 2 x PCIe 2.0 x16 , support ATI CrossFireX™ technology (at one x16 or dual x8 link) 2 x PCIe x1 2 x PCI 2.2 Storage SB750 Chipset 1 xUltraDMA 133/100/66 for up to 2 PATA devices 6 xSATA 3 Gb/s ports Support RAID 0,1,5,10,JBOD Marvell 88SE6121 SATA controller 1 xInternal SATA 3Gb/s port(black) 1 xExternal SATA 3Gb/s port (SATA on-the-go) LAN Realtek® 8112L Gigabit LAN controllers Audio VIA® VT1708S 8-Channel High Definition Audio CODEC IEEE 1394 VIA® VT6315N controller supports 2 x 1394a ports (1 at mid-board; 1 at back panel) USB 12 USB 2.0/1.1 ports (4 ports at mid-board, 8 ports at back panel) Back Panel I/O Ports 1 x PS/2 Keyboard port (Purple) 1 x PS/2 mouse port (Green) 1 x S/PDIF Out port (Optical) 1 x eSATA 1 x IEEE 1394a port 1 x LAN (RJ45) port 8 x USB 2.0/1.1 ports 8-Channel Audio I/O ports Internal I/O Connectors 2 x USB connectors (4 ports) 1 x IDE connector 7 x SATA connectors 1 x IEEE 1394a connector 1 x CPU Fan connector 2 x Chassis Fan connector 1 x Power Fan connector System Panel (Q-Connector) 1 x COM connector 1 x Chassis Intrusion Form Factor ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )