Compatible Gateway Systems: DX4200, DX4300, GT5694, GT5676, GM5688E. Form Factor MicroATX Processor Support Socket AM2+ AMD Phenom™ (95 W), Athlon™ 64 X2, Athlon 64, and Sempron™ processors Chipset Northbridge: RS780 Southbridge: SB700 Memory Support 4x DDR2 800/667 MHz slots support up to 8 GB system memory Video Integrated video Audio Integrated ALC888S HD codec 7.1 Expansion 1x PCI Express ×16 1x PCI Express ×1 2x PCI conventional Rear Panel I/O Ports One PS/2 keyboard port One PS/2 mouse port One HDMI port (option with DVI-D) One VGA monitor port One IEEE 1394 port Four USB 2.0 ports One RJ-45 LAN port Six audio jacks