Genuine Dell Studio 540 540s Small Mini Tower SMT Motherboard Systemboard Mainboard, Compatible Dell Part Number: M017G Chipset: Intel G45 Express, Supported Processor: Intel Core 2 Duo processor E7300, Intel Core 2 Duo processor E7400, Intel Core 2 Quad processor Q8200, Intel Core 2 Quad processor Q9400, Intel Core 2 Quad processor Q9550, LGA775 Socket Supported Memory: 4x 800MHz DIMMs, 8gb Max Total (64-Bit Operating System), 4gb Max Total (32-Bit Operating System), Audio: Integrated 7.1 Channel Audio Video: Integrated Intel GMA X4500HD Graphics, Expansion Capabilities: 1x PCI Socket, 2x PCI-E x1 Sockets, 1x PCI-E Socket Peripheral Interfaces: 1x S/P DIF Connector, 1x HDMI Connector, 1x VGA Monitor Connector, 1x RJ45 Ethernet/LAN Port, 1x Firewire Connector, 2x front-panel and 4x back-panel USB 2.0 compliant connectors, 6x connectors for 7.1 Chanel Audio; 2x front-panel connectors for headphones and microphone Motherboard Part Number: M017G, 0M017G