Dell Optiplex Desktop TOWER Computer 790 990 Quad Core i5 up to 3.10GHz Windows 10 or 7 PC

  • $168.00
  • Save $131

Operating System Windows 7 Professional / Windows 10 Pro (Your choice from Drop-Down Menu)
Processor Intel Core i5-2400 Sandy Bridge Quad-Core 3.10GHz CPU
Hard Drive 160GB / 500GB / 1TB 3.5" 7200 RPM (Your choice from Drop-Down Menu)
Memory 8GB / 16GB / 32GB DDR3 SDRAM (Your choice from Drop-Down Menu)
Graphics Card Integrated Graphics with VGA and DisplayPort Output
Optical Drives DVD-RW
Card Reader / Floppy No
Audio Integrated
Power Supply 265 W active PFC / 100 - 240 V AC
Monitor Not Included



What is in the box?

(1) Dell OptiPlex 790/990 MiniTower Computer

(1) Power Cord

(1) Pre-installed Microsoft Windows (Windows 10 Pro or Windows 7 Pro)

(1) USB Keyboard and Mouse

Warranty: Comes with 90 Days Hardware Warranty

If you prefer to have wireless internet capability,
CLICK HERE TO ADD a WIFI USB adapter to your order.

This Refurbished unit is refurbished and restored back to its original operational condition; comes with fresh install of operating system. May have minor wear and scuffs but works like a charm as it was received from manufacturer. Our refurbishing methods involve replacing worn and old parts, along with repairing of cosmetic related issues. Units in some cases are repainted to eliminate all severe scratches to insure it does not show any severe cosmetic appearance.


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Ask a Question
  • Does the Dell Optiplex Desktop Computer 790 / 990 MT Quad Core i5-2400 3.10GHz have a PCI slot? I need a pci slot for an old Delta 1010 audio card. Thank you.

    Dear customer, yes this computer does come with one (1) PCI slot. However, please make sure your audio card is compatible with the operating system your computer comes with (Windows 7 or 10). Since the card is designed for older systems, we cannot guarantee or cover under warranty any (driver) compatibility issues you may have with this card.

  • Hello, I want to get a system that I can add a graphics card that will allow me to run two monitors. Is it possible to have that added?

    Dear customer, Yes we can add a graphics card to your computer so it will support dual monitor connection. 
    You can add video card to your cart from the link below along with the compiuter you would like to buy and proceed to place your order. 
    Once your order is placed, please email us and request the card to be installed on your computer, then we will pre-install this graphics card to your computer before shipping it out. 
    Your computer will come ready with dual monitor output/ports.
    Link to order the graphics card:

  • How many dimms are installed for 8GB memory option? Is it possible to purchase at a lower price without an OS / hard drive?

    Dear customer, it will have four total RAM modules (4x2GB). We currently offer only complete computers with all parts and functional OS.

  • Can it run overwatch?

    Search for "System requirements" for application you want to install and run, see if it meets with specs of this PC.

  • If I want to put a sad in the computer how would I be able to install the os system

    Operatings System already installed and activated.

  • Do you offer a solid state drive? If so what size?

    We do not offer SSD option on this computer at this moment, sorry for any inconvenience and thank you for your interest!