Genuine Dell 3HH35, D28VG Latitude E4310 2.66GHz Intel Core i5-580m Intel QS57 Express Laptop Notebook Motherboard Upgrade Part Numbers: 37MYX, 5TMMX Compatible Part Numbers: F966G, 59HNC, 9VRH4, F9M7D, KXX96, 4CH3K, 4RF24, 8JXR6, 8M4V6, C3T8R, FJTG4, G72VP, JXPJT, KKM92, N6G60, PPWWR, V2TRD, 3HH35, D28VG Genuine Dell i5 2.66GHz Latitude E4310 Intel Core i5-580m Laptop Motherboard Chipset: Mobile Intel QS57 Express chipset/ Integrated Processor: Intel Core i5-580m 2.66GHz/ Supported Memory: DDR3 1066 MHz two SODIMM sockets Supports up to 8GB NOTE: Only 64-bit operating systems support more than 4 GB memory. Video: Integrated, Audio: Integrated two-channel high-definition audio codec (HDA) Ports and Connectors: Audio: one combo microphone/headphone connector / Video: 15-pin VGA connector / Network Adapter: RJ-45 connector / USB, eSATA: one USB 2.0 compliant connector / one USB 2.0/eSATA connector / Smart-Card reader: Mini Card Support: one dedicated half mini card slot for WLAN one dedicated full mini card slot for WWAN one half mini card slot for UWB Motherboard Part Number: D28VG Upgrades Motherboard: 37MYX, 5TMMX/ Base Assembly Part Number: 3HH35 / Includes Part Numbers: F966G, 59HNC, 9VRH4, F9M7D, KXX96, 4CH3K, 4RF24, 8JXR6, 8M4V6, C3T8R, FJTG4, G72VP, JXPJT, KKM92, N6G60, PPWWR, V2TRD