The 680i has six USB ports, and headers for four more.
The EVGA nForce 680i motherboard is an ATX-form factor system board designed to work with Intel's Core 2 Extreme, Core 2 Quad, Core 2 Duo and other processors with Socket 775 connections. One of its more powerful features is SLI, which allows you to bridge two graphics cards over the fast PCI Express x16 bus to allow for better graphics performance.
Expansion Slots
EVGA equipped this board with a number of slots, including two regular PCI slots and two more PCI Express x1 slots. It also has two standard PCI Express x16 slots and one PCI Express x16 graphics expansion slot for use with a second graphics card over SLI.
Storage Options
Both a floppy drive connector and Ultra DMA 133 connector are present on this board for use with legacy drives. For current drives, it offers six hot pluggable Serial-ATA connectors running at three gigabits per second. In addition, the onboard RAID controller allows the ports to be used in a drive array running RAID 0, 1, 5, 0+1 or even JBOD mode.
Ports
The 680i's rear panel has a large array of ports including six USB 2.0 ports and a 400 megabit per second IEEE1394a FireWire port. Two RJ-45 LAN connectors are present, both supporting ten, one hundred and one gigabit per second Ethernet connections, as well as two legacy PS/2 connections for a mouse and keyboard. EVGA built this board with support for up to 7.1 channels of audio, so six audio output and input jacks are included as well as a TOSlink optical digital S/PDIF digital audio output. Users who need more ports can use the motherboard's headers to add four USB 2.0 ports, one FireWire port and a COM1 RS-232C serial port.
Memory
Dual channel DDR2 memory works in this board's four DIMM slots. It accepts standard dual channel DIMMs at speeds of 533, 667 and 800 megahertz as well as SLI-Ready DIMMs at speeds as high as 1200 mhz for use when the board is being overclocked.
CPU Compatibility
The Socket 775 present on this board works with many Intel dual- and quad-core CPU chips including the Core 2 Extreme, Core 2 Quad, Core 2 Duo, Pentium Extreme Edition and some Pentium 4 processors. Although its front side bus' nominal top speed is 1333 megahertz, the board also supports overclocking for even higher speeds.
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