ECS PN2 SLI2+ main features are:

• Socket: 775.
• Chipset: NVIDIA nForce 680i.
• Super I/O: Winbond W83627DHG.
• Parallel IDE: One ATA-133 port controlled by the south bridge chip.
• Serial IDE: Six SATA-300 ports controlled by the south bridge chip, supporting RAID 0, 1, 0+1, 5 and JBOD and eSATA.
• USB: 10 USB 2.0 ports (six soldered on the motherboard and four available through I/O brackets. This motherboard came with a bracket with two ports, so two ports are left over).
• FireWire (IEEE 1394a): Two ports controlled by Texas Instruments TSB43AB22A chip.
• On-board audio: Produced by the chipset together with Realtek ALC885 codec (eight channels, 24-bit resolution, up to 192 kHz sampling rate for both the inputs and outputs, 101 dB signal-to-noise ratio for the inputs and 106 dB signal-to-noise ratio for the outputs), with optical SPDIF output soldered on the motherboard.
• On-board video: No.
• On-board LAN: Two Gigabit Ethernet ports controlled by the chipset together with two Marvell 88E1116 chips.
• Buzzer: Yes.
• Power supply: EPS12V (24-pin).
• Slots: Three x16 PCI Express slots (two supporting SLI at x16 and one running at x8), two x1 PCI Express slots and two PCI slots.
• Memory: Four DDR-DIMM sockets (up to 8 GB up to DDR2-1200/PC2-9600).
• Number of CDs that come with this motherboard: Two.
• Programs included: Drivers and utilities.
• Extra features: POST diagnostics display.
• More Information: http://www.ecsusa.com
• Average price in the US*: USD 260.00

* Researched at Shopping.com on the day we published this review.