Dell Studio 1457 Series Intel Socket 988 Laptop Motherboard MK95D 0MK95D CN-0MK95D.Dell Part Number: MK95D 0MK95D CN-0MK95D Compatible Models: Dell Studio 1457 SeriesSpecifications:External Connectors 1 x USB 2.0 Connectors 1 x HDMI Connector 1 x eSATA Connector 1 x RJ45 Gigabit Ethernet Connector 1 x VGA Connector Card Reader AC Port ATI Mobility Radeon HD 4500 Chipset