Dell Genuine P301D Motherboard For the Vostro 220s System Intel G45 Plus ICH10R Chipset Supports the following processors: Intel Pentium Dual-Core E2200 (2.4GHZ,1MB L2 Cache,800FSB), Intel Pentium Dual-Core E5200 (2.5GHZ,2MB L2 Cache,800FSB), Intel Core 2 Duo E8500 (3.16GHz, 6M, 1333MHz FSB) Intel Pentium Dual-Core E5300 (2.60GHz, 2M, L2Cache, 800FSB), Intel Core 2 Duo E7400 (2.8GHz, 3M, L2Cache, 1066FSB), Realtek ALC662 (5.1 Channel audio), Intel GMA X4500HD, Part Number: P301D Expansion Capabilities: 1x PCI-e x16, 1x PCI-e x1, 2x PCI