Genuine Dell MotherBoard For Dell OptiPlex 740 Desktop Systems nVidia Chipset: GeForce 6150LE/Nforce 430 Compatible Part Numbers: HX340, YP696, RY469 Genuine Dell OptiPlex 740 Motherboard CHIPSET: nVidia GeForce 6150LE/Nforce 430 SUPPORTED PROCESSORS: AMD Athlon 64 X2 Dual-Core, AMD Athlon 64. SUPPORTED MEMORY: Dual-Channel DDR2 SDRAM (4 DIMMs Slots, 533, 667Mhz or 800Mhz), Up to 8 GB RAM PERIPHERAL INTERFACES: 1 - VGA Port, 1 - Serial Port, 1 - Parallel Port, 7 - 2.0 USB Ports (front and back), 1- Integrated 10 / 100/1000 Network Port, 2 Connectors for line-in and line-out; 2 front-panel connectors for headphones and microphone, 3 - SATA Connectors (7-pin), 1 - Floppy Drive Connector (38-pin), 1 - Fan Connector (5-pin) EXPANSION CAPABILITY: 1 - PCI-E X16 Graphics slot, 1 - PCI-E X1, 1 - PCI 32Bit / 33MHz slots