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Click the button below to add the Dell Optiplex GX520 Desktop Celeron 2.53GHz 1GB Ram 40GB HD XP Pro to your wish list.

Dell Optiplex GX520 Desktop Celeron 2.53GHz 1GB Ram 40GB HD XP Pro

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Refurbished offlease Dell Optiplex GX520 Celeron 2.53GHz Desktop Computer with 1GB RAM, CD-ROM, and 40GB hard drive

Key Features Manual

Performance Specs

Pentium 4 HT processor at 2.8GHz, 1GB Ram and 40GB Hard Drive. Included 90 day warranty.

Windows XP Pro

Designed for reliability, security and privacy, high performance, and ease of use, the Windows XP operating system provides a host of benefits forbusiness and home users.


Tech Specs


16.2 inches
7.5 inches
17 inches
9.1 pounds


8 ports
headphone/speaker out
Optical Drive


CPU Type
CPU Speed

Operating System

Windows XP Pro


Intel GMA 950


Hard Drive


  • Power Cable
  • Windows XP Professional restore partition
  • Sun OpenOffice
  • Roxio Easy CD
  • Microsoft Security Essentials
  • Malware-Bytes Anti-Malware

SKU: COM-OPT-GX520-P4-2.8-DT-140XP
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Product Reviews

Showing reviews 1-10 of 26 | Next

  1. great service at a great price!

    Posted by Unknown on 3rd Oct 2013

    Nice computer for a reasonable charge!

  2. Bang for ur buck

    Posted by Jennifer g on 23rd Sep 2013

    Works very good lov the pre loaded windows fast speed aint virus protection great low price for a good home pc. And great customer care service provided very happy with this purchase will difintly refur a friend great for college student as well. Thank You.

  3. dell optiplex gx520 desktop

    Posted by pete on 12th Aug 2013

    this is a great deal!! works very fast and comes with a keyboard and mouse!! can't beat it for $80!! a+++

  4. Very pleased!

    Posted by Tom on 10th Aug 2013

    Works great. The only thing was a mouse that was broken . Other than that couldn't be better,,,

  5. Dell Computer with Microsoft Windows XP

    Posted by Unknown on 9th Aug 2013

    I love my refurbished Dell...feel fortunate to have found just what I wanted at a great price. Everything is working to perfection and I have told others about COMPUTER REFURB. Hope it helps your business. I have talked to several people who are displeased with Windows 7 and 8 and most of them wish to return to using WindowsXP if they are still available. Microsoft didn't improve on XP....they just made Windows7&8 more complicated and much less reliable. A No-No for many of us who are fairly computer illiterate!!! Sincerely, William Berry

  6. great product

    Posted by Unknown on 29th Jul 2013

    like a charm right out of the box.

  7. i am really liking this computer

    Posted by john on 17th Jul 2013

    I am impressed with this computer ...How can you go wrong for the investment made ...Right out of the box it is ready to go ...very fast ...I would recommend this ...

  8. great product

    Posted by Claudia on 29th Jun 2013

    Very satisfiied with the product. Was pleasantly surprised.

  9. Great Unit out of the box Running in 5minutes

    Posted by Unknown on 18th Apr 2013

    I have no problems with this unit as it works with out all the bullshit a new unit pulls on the purchaser.
    The big gripe is it did not have 'Microsoft Work's as it was sold as XP Pro version III.
    I will buy some more but the specs must include whats loaded on the unit ...

  10. Great buy!

    Posted by Robert on 4th Apr 2013

    This was a great buy, I do my reports on computers and cannot afford not to have a back-up ready to go at all times... and this was it and what a great price!
    I would do it again and again!

Showing reviews 1-10 of 26 | Next

Tech Specs

*NOTE* These specs are for the Dell™ Optiplex™ GX520 Desktop in general. The system in this ad is configured according to the features listed in the "Description" of the ad. System Upgrades are available.



  • Microprocessor
  • Microprocessor type: Intel® Pentium® or Celeron® processor


    Level 1 (L1) cache: 32 KB


    Level 2 (L2) cache: 512-KB, 1-MB, or 2-MB pipelined-burst, eight-way set associative, write-back SRAM

  • Memory
  • Type: 400-MHz and 533-MHz DDR2 SDRAM


    Memory connectors: 2


    Memory modules supported: 256 MB, 512 MB, 1 GB, or 2 GB non-ECC


    Minimum Memory:

    dual-channel: 512 MB

    single-channel: 256 MB

    Maximum Memory: 4 GB


    BIOS address: F0000h

  • Computer Information
  • Chipset: Intel® 945 Express


    Data bus width: 64 bits


    Address bus width: 32 bits


    DMA channels: eight


    Interrupt levels: 24


    BIOS chip (NVRAM): 4 Mb


    Memory speed: 400 MHz and 533 MHz


    NIC: integrated network interface with ASF 1.03 and 2.0 support as defined by DMTF. Capable of 10/100/1000 communication:

    Green: A good connection exists between a 10-Mbps network and the computer.

    Orange: A good connection exists between a 100-Mbps network and the computer.

    Yellow: A good connection exists between a 1-Gb (or 1000-Mbps) network and the computer.

    Off: The computer is not detecting a physical connection to the network.

  • Video
  • Type: integrated Intel Graphic Media Accelerator 950

  • Audio
  • Type: AC97, Sound Blaster emulation


    Stero conversion: 16-bit analog-to-digital; 20-bit digital-to-analog

  • Controllers
  • Drives:

    (2) serial ATA controllers supporting one device each

    (1) parallel Ultra ATA/100 IDE supporting two devices per channel with one channel

  • Expansion Bus
  • Bus type:

    PCI: 2.3
    SATA: 1.0a and 2.0
    USB: 2.0

    Bus speed:

    PCI: 33 MHz
    1.5 and 3.0 Gbps
    USB: 480 Mbps

    Cards: ( half-length, full-height cards supported with optional riser-card cage)

    Default: no riser-card cage:low-profile cards supported


    connector: 2

    card size: low profile

    connector size: 120 pins

    connector data width (maximum): 32 bits

    Optional(full-height PCI riser-card cage): low-profile and full-height cards supported:


    connectors: 3

    card size: (1) low-profile card and (2) full-height cards

    connector size: 120 pins

    connector data width (maximum): 32 bits

  • Drives
  • Externally accessible:

    (1) 3.5-inch drive
    (1) bay for CD/DVD or optional second hard drive

    Internally accessible: (1) bay for a 1-inch-high hard drive

  • Connectors
  • External connectors:

    Serial: 9-pin connector; 16550C-compatible

    Parallel: 25-hole connector (bidirectional)

    Video: 15-hole VGA connector

    Network adapter: RJ45 connector

    Optional PS/2 with secondary serial port adapter: (2) 6-pin mini-DINs


    (2) front-panel

    (6) back-panel USB 2.0 compliant connectors


    (3) connectors for line-in, line-out, and microphone

    (2) front-panel connector for headphones

    System board connectors:

    Primary IDE drive: 40-pin connector

    Serial ATA: (2) 7-pin connectors

    Floppy drive: 34-pin connector

    Serial: 12-pin connector for optional second serial port card

    Fan: 5-pin connector

    PCI 2.2: 120-pin connector

    CD drive audio interface: 4-pin connector

    Front panel: 40-pin connector

  • Key Combinations
  • Ctrl Alt Del: in Microsoft® Windows® XP, brings up the Windows Security window; in MS-DOS® mode, restarts (reboots) the computer


    F2 or Ctrl Alt Enter: starts embedded system setup (during system start-up only)


    Ctrl Alt b: automatically starts the computer from the network environment specified by the remote boot environment (PXE) rather than from one of the devices in the system setup Boot Sequence option (during start-up only)


    F12 or Ctrl Alt F8: displays a boot device menu that allows the user to enter a device for a single boot (during system start-up only) as well as options to run hard-drive and system diagnostics

  • Control and Lights
  • Power control: Push button


    Power light:

    Green light : Blinking green indicates a sleep mode; solid green indicates the power-on state.

    Amber light: Blinking amber indicates a problem with an installed device; solid amber indicates an internal power problem.

    Hard-drive access light: green


    Link integrity light (on integrated network adapter):

    green light for 10-Mb operation;

    orange light for 100-Mb operation;

    yellow light for a 1000-Mb (1-Gb) operation

    Activity light (on integrated network adapter): yellow blinking light


    Diagnostic lights: four lights on the back panel.


    Standby power light: AUX_PWR on the system board

  • Power
  • DC external power supply:

    Wattage: 220 W/p>

    Heat dissipation: 751 BTU/hr (NOTE: Heat dissipation is calculated based upon the power supply rating.)

    Voltage: manual selection power supplies: 90 to 135 V at 50/60 Hz; 180 to 265 V at 50/60 Hz

    Backup battery: 3-V CR2032 lithium coin cell

  • Physical
  • Height: 15.7 inches


    Width: 4.5 inches


    Depth: 13.9 inches


    Weight: 23 lb


  • Environmental
  • Temperature range:

    Operating: 50° to 95°F

    Storage: 40° to 149°F

    Relative humidity: 20% to 80% (noncondensing)


    Maximum vibration:

    Operating - 0.25 G at 3 to 200 Hz at 0.5 octave/min

    Storage - 0.5 G at 3 to 200 Hz at 1 octave/min

    Maximum shock:

    Operating - Bottom half-sine pulse with a change in velocity of 20 inches/sec

    Storage - 27-G faired square wave with a velocity change of 200 inches/sec


    Operating: 50 to 10,000 ft

    Storage: 50 to 35,000 ft




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