Dell XPS 720 730 730X Series nVidia nForce 790i SLI Chipset Intel Socket LGA775 Desktop Motherboard F642F 0F642F CN-0F642F.
Chipset: nVidia nForce 790i SLI
Socket: Intel LGA775
Max Supported Memory: 4GB
Number of Memory Slots: 4
Memory Type: DDR3 SDRAM
Input/Output Ports: 6x USB Ports; 6x SATA; 2x Ethernet RJ-45; 2x PS2 Ports; 1x SPDIF Out; 1x Optical audio out; 6x Audio Ports; 1x FireWire
Expansion Slots: 3x PCI-Express x16; 2x PCI-Express x1; 2x PCI; 6x SATA
Form Factor: ATX
Type: Desktop Motherboard