Replace power supply in OEM Dell Optiplex 790

Apr 10, 2018
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Hello, everyone.

As the title says, I'm looking to upgrade the power supply of a Dell Optiplex machine. It's a dell optiplex 790 Desktop, with an OEM 255W power supply. I'm looking to get a graphics upgrade, since the 730 I have won't cut it, given the 1030 is the only powerful enough card that runs on a low power supply.

Looking for more alternatives. If you find any replacements for my current PSU, please link them!

Also, looking to add 2 more gigs of RAM to build. I'd like to know if it's possible.

Specs:


i3-2120 3.3GHz Dual Core CPU, 6GB DDR3 1333MHz 3x2 setup, Hitachi 465GB HDD 7.2K RPM SATA, GT 730 Zone Edition 2GB VRAM GDDR3