Dell

Dell PJ479 Intel 945G Motherboard - Optiplex GX520

USB 2.0

Upgrade Your System with a Reliable Genuine Dell MotherboardThe Genuine Dell Intel 945G Express Motherboard is designed for Optiplex GX520 Desktop Systems. This motherboard provides a reliable foundation for your system, supporting Intel Pentium and Celeron processors, DDR2 memory, and integrated...

$134.00*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

Upgrade Your System with a Reliable Genuine Dell Motherboard

The Genuine Dell Intel 945G Express Motherboard is designed for Optiplex GX520 Desktop Systems. This motherboard provides a reliable foundation for your system, supporting Intel Pentium and Celeron processors, DDR2 memory, and integrated audio and video capabilities. It's an ideal replacement or upgrade for your Dell Optiplex GX520.

Specifications:

  • Chipset: Intel 945G Express
  • Processor Socket: Socket 775 (Intel Pentium D, Intel Pentium 4, Intel Celeron)
  • Memory: 2x DDR2 SDRAM (400/533 MHz), 4GB Max Total
  • Audio: Integrated 2.1 AC'97 Sound
  • Video: Integrated Intel GMA 950
  • Expansion Slots: 1x PCI 32bit, 1x PCI 32/64bit
  • Peripheral Interfaces:
    • 1x SATA Connector
    • 1x VGA Monitor Connector
    • 1x Serial Connector
    • 1x Parallel Connector
    • 1x RJ45 Ethernet/LAN Port
    • 6x USB 2.0 (Back Panel)
    • 3x Audio Connectors (Back Panel)

Key Features

Genuine Dell Motherboard For Optiplex GX520 Desktop Systems

Chipset: Intel 945G Express; Processor: Socket 775, Intel Smithfield Pentium D, Intel Prescott Pentium 4, Intel Celeron; Memory: 2x 400/533 MHz DDR2 SDRAM, 4 GB Max Total

Audio: Integrated 2.1 AC'97 Sound; Video: Integrated Intel GMA 950

Expansion Capabilities: 1x PCI 32bit, 1x PCI 32/64bit

Peripheral Interfaces: 1x SATA Connector, 1x VGA Monitor Connector, 1x Serial Connector, 1x Parallel Connector, 1x RJ45 Ethernet/LAN Port, 6x back-panel USB 2.0–compliant connectors, 3x back panel audio connectors

Specifications

Brand
Dell
Model
PJ479
Chipset
Intel 945G Express
Compatible Systems
Dell Optiplex GX520 Desktop
Processor Socket
Socket 775
Supported Processors
Intel Smithfield Pentium D, Intel Prescott Pentium 4, Intel Celeron
Memory Slots
2x DDR2 SDRAM
Maximum Memory
4 GB Total
Memory Speed
400/533 MHz
Integrated Audio
2.1 AC'97 Sound
Integrated Video
Intel GMA 950
PCI Slots
1x PCI 32bit, 1x PCI 32/64bit
SATA Connectors
1x
VGA Connector
1x
Serial Connector
1x
Parallel Connector
1x
Ethernet Port
1x RJ45
USB 2.0 Ports
6x (back-panel)
Audio Connectors
3x (back panel)

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Pros & Cons

👍 Pros

  • This is a genuine Dell motherboard, ensuring compatibility and reliability with Dell Optiplex GX520 desktop systems.
  • Supports a range of Intel Socket 775 processors, including Smithfield Pentium D, Prescott Pentium 4, and Celeron, offering flexibility for upgrades.
  • Features two DDR2 SDRAM slots supporting up to 4 GB total memory, which is suitable for its generation.
  • Includes integrated Intel GMA 950 video and 2.1 AC'97 sound, providing essential multimedia capabilities without discrete cards.
  • Offers a variety of peripheral interfaces, including SATA, VGA, Serial, Parallel, Ethernet, and six back-panel USB 2.0 ports.

👎 Cons

  • The Intel 945G chipset and DDR2 memory are older technologies, limiting upgrade potential and overall performance compared to modern motherboards.
  • The maximum memory capacity of 4GB DDR2 SDRAM is relatively low for current computing standards.
  • Only offers two expansion slots (one PCI 32bit, one PCI 32/64bit), which restricts options for adding more components.
  • Integrated Intel GMA 950 video is very basic and not suitable for demanding graphics tasks or modern gaming.
  • The motherboard is specifically designed for Optiplex GX520 systems, which may limit its use in custom builds or other pre-built PCs.

Frequently Asked Questions

This Dell PJ479 Intel 945G Motherboard is specifically designed for Dell Optiplex GX520 Desktop Systems, ensuring genuine compatibility.
This motherboard supports Intel Socket 775 processors, including the Intel Smithfield Pentium D, Intel Prescott Pentium 4, and Intel Celeron CPU families.
The motherboard features two DDR2 SDRAM slots and can support a maximum total memory of 4 GB, running at 400/533 MHz.
Yes, it includes integrated Intel GMA 950 for video and integrated 2.1 AC'97 Sound for audio, providing essential multimedia functionalities.
The Dell PJ479 motherboard provides six back-panel USB 2.0-compliant connectors for various peripheral connections.