Dell Motherboard WJ770 Dimension E310 3000 JC474Works With The Following Systems : Dell Dimension E3100 3000Socket: LGA775Expansion Slots: PCI Express x1 x 1 / PCI x 2Other Features: Hyper-Threading Technology Support - Connectors: (4) USB 2.0 Ports, 10/100 LANPeripheral Interface ...Dell Motherboard WJ770 Dimension E310 3000 JC474Works With The Following Systems : Dell Dimension E3100 3000Socket: LGA775Expansion Slots: PCI Express x1 x 1 / PCI x 2Other Features: Hyper-Threading Technology Support - Connectors: (4) USB 2.0 Ports, 10/100 LANPeripheral Interface: (2) Serial ATA (SATA) Interface - Controller: One IDE Channel Supporting ATA-66/100/133 and One Floppy Port - Video: Onboard Video - Audio: Standard Sound Audio System - Supported Memory: DDR2, 2 DIMM Support for up to 2 GB of memory - Dell Part Number : JC474 0JC474 WJ770 0WJ770Video : Intel Graphics X3000 Accelerator Integrated - Expansion : 2x PCI-Express Slots (x1 and x16), 2x PCI Slots - Peripheral Interfaces : 1x VGA Port, 6x USB Ports, Intergrated 10/100/1000 LAN, 1x Floppy 34-Pin Connector, 7.1 Surround Sound Audio Ports, 4x Serial ATA Hard Disk Connectors, 1x RJ-45 Connector, 1x Fan 5-Pin Connector - Dell Part Number : WJ770