Product Detail Expansion Slots: Two (2) PCI Express x16 slots Two (2) PCI Express x1 slots Two (2) PCI slots I/O Ports: Two (2) PS/2 ports One (1) IEEE 1394a FireWire port One (1) S/PDIF out Four (4) USB 2.0 ports Line in, line out, microphone audio jacks Side, rear, c/sub audio jacks Internal Headers: Four (4) USB 2.0 ports One (1) 9-pin Serial port S/PDIF out Front panel audio IEEE 1394a Supported Processors: Intel Core 2 and Pentium EE processors Socket 775 architecture Up to 1333 MHz FSB speeds Regulatory Approvals: FCC CE C-Tick MIC BSMI RoHS compliant XFX MB-N680-ILT9 NVIDIA nForce 680i LT SLI Socket 775 ATX Motherboard IDE cable Two (2) Serial ATA cables One (1) Serial ATA power adapter I/O shield Installation CD Quick Install Guide User Guide General Features: NVIDIA nForce 680i Socket 775 ATX Motherboard Socket 775 architecture ATX form factor NVIDIA SLI Ready Supports up to 8 GB DDR2 memory w/up to 800 MHz frequency Realtek ALC885 7.1-channel audio Integrated 10/100/1000 Gigabit Ethernet LAN Six (6) Serial ATA 3.0 Gb/s ports w/support for RAID 0, 1, 0+1, 5, and JBOD One (1) UDMA/66/100/133 IDE controller One (1) floppy controller IEEE 1394 (FireWire) support 24-pin ATX power connector 8-pin ATX12V power connector 4-pin Aux. graphics power connector Lead-free components (RoHS) . The "XFX nForce 680i LT SLI - Motherboard - ATX - nForce 680i LT SLI - LGA775 Socket - UDMA133, SATA-300 RAID - Gigabit Ethernet - FireWire - HD Audio 8-channel" is best product for you. We recommended XFX nForce 680i LT SLI - Motherboard - ATX - nForce 680i LT SLI - LGA775 Socket - UDMA133, SATA-300 RAID - Gigabit Ethernet - FireWire - HD Audio 8-channel