Theres even a guy who modified a power supply to work.
Dell optiplex 7020 power supply upgrade.
The pc power and cooling company had been bought out by ocz followed by firepower technology but i finally got in touch with them.
Dell optiplex xe2 9020 7020 3020.
Model d315es 00 power supply 315w dp n 0vx372 dps 315cb vx372 is officially for optiplex xe2.
This is a proprietary 8 pin instead of 24 pin power supply.
Upgrade psu for a dell optiplex sff 7020 jump to solution the motherboard for this optiplex is very strange the pcie 16 slot is at the end located near the psu and their is not more slots next to it but i just thought of using a pcie extender to make it compatible unless it affects performance.
Back then a company called pc power and cooling began building power supplies based upon the dell proprietary design.
So i sought them out to see if they had optiplex 7020 compatible power supplies.
Or you get a moddiy adapter and you can use an evga 700b1 power supply.
With this new bastardized 8 pin power supply it looks like we ll have to find a different model of dell.