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New motherboard for OptiPlex 790 Mini Tower

  • Chipsets
  • Optiplex
  • Motherboards
Last response: in Motherboards
January 16, 2013 3:13:28 PM

I need to upgrade my Dell OptiPlex 790 Mini Tower with a new motherboard that doesn't have 35w limit on PCI-E so I can use a higher end graphics card. The problem is I don't know if my case is standard so I can drop in any ATX motherboard. I would greatly appreciate if anyone knows! I plan to keep my CPU (Core i7 2600) so I need a LGA 1155 socket MB. Probably would need new fan too as the OEM one may not fit the new MB... Again not sure.

I also would also upgrade my PSU to the Silverstone 600w Strider. My planned GPU purchase is a NVIDIA GTX 650Ti.

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a b V Motherboard
January 16, 2013 4:34:29 PM

35w limit on PCIE? Why wont you upgrade the power supply as faster cards require additional power
January 16, 2013 4:52:38 PM

The limit is on the PCIE port on the Dell OEM motherboard. My question is can I upgrade the motherboard for my Dell case? Will any standard ATX motherboard fit in a Dell OptiPlex 790 mini tower case?