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  Maximum Memory   4GB
  Memory Slots   2 (2 banks of 1)
  Base Memory   0MB

Memory Details About Your System

Your Dell Optiplex 780 (Ultra SFF) (DDR3-1066MHz) only supports modules made with a specific type of chip. Should you find what seems to be the exact same memory elsewhere for a lower price, it is very possible that the cheaper memory will not work in your computer. By ordering under your model from Arch Memory, your selected memory modules are Guaranteed To Work or your money back!

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1GB DDR3-1066 Module

1GB 1066MHz DDR3-1066, PC3-8500, 240p DIMM, 1.5v, CL=7 - Major Brand



2GB DDR3-1066 PC3-8500 Desktop RAM Memory

2GB 1066MHz DDR3-1066, PC3-8500, 240p DIMM, 1.5v, CL=7 - Major Brand


Anti Static Gloves

Anti-Static Protective Gloves

Protect yourself and your Computer from Electrostatic Discharge with these Anti-Static Protective Gloves.  Price is for one (1) pair.



Your Dell Optiplex 780 (Ultra SFF) (DDR3-1066MHz) computer memory is 100% compatible and guaranteed to work.

We stand by this claim with a 30 day money back guarantee. Plus, all of our memory upgrades will include a lifetime guarantee!

The Dell Optiplex 780 (Ultra SFF) (DDR3-1066MHz) RAM is provided by a major chipset manufacturer, like Kingston, Samsung, Micron, or Infinion. If you choose a/an Dell Optiplex 780 (Ultra SFF) (DDR3-1066MHz) upgrade, it will not void your original manufacturer warranty. We at Archmemory.com are dedicated to finding the best RAM and Hard Drive upgrades for your system, as well as finding the best deals from our suppliers so we can pass the savings on to you!

Click the contact us button at the top of the page if you have any questions.