PJ478 - Dell System Board (Motherboard) for OptiPlex Gx520

Technical Specifications:
- Form Factor: Micro-ATX
- Processor Socket: LGA775 Socket
- Chipset Type: Intel 945G Express
- Supported Processors: Intel Pentium 4, Celeron D, Pentium D
- Memory: 4 DDR2 DIMM slots, up to 4 GB max memory
- Expansion Slots: 1 x PCI Express x16, 1 x PCI Express x1, 2 x PCI
- Audio: Integrated ADI 1983 High Definition Audio
- Networking: Integrated Broadcom 5751 Gigabit Ethernet
- USB Ports: 8 x USB 2.0 (2 front, 6 rear)
- SATA Ports: 4 x SATA 3Gb/s
- Power Connectors: 24-pin main power connector, 4-pin ATX12V connector

Helpful Notes:
- This motherboard is compatible only with the Dell OptiPlex GX520 desktop computer.
- Upgrading the processor to a Pentium D will require a BIOS update.
- The maximum memory speed supported by this motherboard is 533 MHz.