  [NAME]  You need 142 - 225w combined power for the 3.3v/5v rails. That said the EVGA 110-BQ-0850 B01FYDUCA0 is a unit that works fine.  HOWEVER you must buy a Moddiy CAB359 Adapter to use on a 9020.  Moddiy CAB359 24 to 8 Pin Adapter     
I have a Dell 9020 MT using the PC5F7 motherboard and Dell 7010 MT case. I want to upgrade the psu to a modular psu so I can run this GTX 1650 ASUS TUF Gaming GeForce GTX 1650 OC Edition 4GB GDDR6 PCI Express 3.0 Video Card TUF-GTX1650-O4GD6-P-GAMING - Newegg.com anyone know any modular psus that will work with the 9020 MT
Modular PSU upgrade for Dell 9020 MT