Dell 2X378/02X378 OptiPlex GX260 Small Mini Tower Motherboard - Chipset:Intel 845G - Socket MPGA478 - Supporting 1.5-3.06 GHz Pentium 4 - Supported Memory:Two 184-pin DDR SDRAM DIMM - Interfaces:1 x Serial Port; 1 x Parallel Port; 1 xVGA Port;1 x Integrated 10/100 Ethernet Network Port; 6 - USB Ports (4 Back Panel 2.0 USB Ports and 2 Front Panel Ports);3 - Connectors for line-in, line-out, and microphone ;PS/2 Ports for Mouse and Keyboard