Dell Optiplex 780 SFF Dual Core Windows 7 Pro Computer

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Good things come in small packages, and this small form factor PC is the proof! The Dell OptiPlex 780 SFF may take less space, but it offers just as much power. It measures less than 4" wide, 12" tall, and 13" deep.

Our computers are put through a battery of tests by our in-house technicians before they are cleaned up and boxed up for you. Discount Electronics has been selling refurbished computers and computer parts since 1997. Our customer service is top notch and our product quality is the best - and we back that with a free 1 Year Warranty!


  • Intel Pentium Dual Core 2.6Ghz CPU
  • Choose 4GB or 8GB or 16GB DDR3 Memory
  • Choose Your Hard Drive Size and Type
  • Choose DVD-ROM or DVD/RW Drive
  • Integrated 10/100/1000 Network Card (NIC)
  • USB 2.0
  • Integrated Video
  • Integrated Audio (AC97)
  • 1 Serial Port & 1 Parallel Port
  • Choose 7 Professional or Windows 10 Pre-installed
  • Includes pre-installed Recovery Partition

One Year Parts & Labor Warranty Yes it is strange to see a warranty that long on something used or refurbished and even stranger to see it coming from a retailer rather than a manufacturer but that is what separates us from the crowd of computer retailers. Service after the sale and our warranty is what this company is all about.

Attention: After January 14, 2020, Microsoft will no longer provide security updates or support for PCs running Windows 7. Now is the time to upgrade to Windows 10. If you continue to use Windows 7 after support has ended, your PC will still work, but it may become more vulnerable to security risks and viruses. Your PC will continue to start and run, but Microsoft will no longer provide the following support for your business (No technical support, no software updates and no security updates). We recommend upgrading to Windows 10.

3 Reviews

  • 5
    Win 7 pc

    Posted by Terry E Edgerton on Jul 23, 2019

    Great service. I have bought these from other stores because I use software that only works on 7 Pro. Hower this is best service and options at a great price

  • 5
    Great for multimedia and basic computing.

    Posted by Matt on May 20, 2018

    I'd turned my old gaming rig into my family's multimedia PC a few years ago, and had a motherboard failure recently. When shopping for replacement parts, I found this refurbished Optiplex at DE for less, with all the power I'd need and then some to be a good streaming and video playing machine. I simply moved over my Blu-Ray drive and HDMI-equipped video card from the old PC when this showed up and the family was thrilled to have a computer in the living room again. We love how much quieter the Dell is than what it replaced, and how much smaller it is.

  • 5
    Great basic computer

    Posted by steve on Apr 15, 2018

    Works great quick to get started, great price only 160gb but I got for my 81 yr old sister who does not store much, she likes playing some games and works great. It nice to get something affordable and only get what you really need. Thanks again...