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techPowerUp!: GIGABYTE N680SLI-DQ6 Preview (Source)
VR-Zone: Gigabyte N680SLI-DQ6; 6 Quad Goodness! (Key Source)

Read more for specifications.

Specifications:
- Processor
Intel Core 2 Extreme Duo/Quad-Core Processor
Support 1066/800/533MHz FSB
- Chipset
NVIDIA nForce 680i SLI MCP chipset
TI IEEE 1394 controller
Realtek ALC888DD 8 channel HD audio codec
- Memory
Supports DDR2 800/667/533 memory
Dual Channel supports by 4 DIMMs
- Expansion Slots
2 x PCI Express X16 slots
1 x PCI Express X8 slot
1 x PCI Express X1 slot
3 x PCI slots
- Form Factor
ATX form factor (305 x 244mm)
- Internal I/O Connectors
10 x Serial ATA 3Gb/s connectors
1 x UDMA ATA 133/100/66/33 connector
1 x FDD connector
2 x IEEE1394 connector
3 x USB 2.0/1.1 connector (support 6 ports)
1 x Front Audio
1 x SPDIF_IN connector
1 x TPM connector
1 x LPT port
3 x Cooling fan
- Rear I/O Connectors
4 x USB 2.0/1.1
4 x RJ45
1 x Optical SPDIF_OUT
1 x IEEE1394
1 x COM port
6 audio jacks
PS/2 Keyboard/Mouse