Gigabyte Aorus RX 570 in a 9020 MT
Just attempted installing my Aorus RX 570 into the 9020 MT. Everything fits. It doesn't block any sata ports. It does make the USB 3.0 cable to the motherboard a little more difficult to connect. The length of that just barely reaches if it's got the Dell cable ties intact. The tooless latch for the PCIe closing bracket has no problems with this card. No mods required to close the latch completely !
The 970 runs with just the stock 290W Dell PSU. I ran an 8 pin power adapter from the motherboard's sata power connectors. Works great for general use. For gaming you should upgrade to
at least a 450W high quality, name brand ATX PSU.
The Aorus RX 570 4GB doesn't block anything other than the PCIe x1 slot right above it.
This 80+ bronze PSU handles the 570 just fine for
non-gaming usage. If you were to play AAA titles with my setup it would draw too much power through the motherboard and could cause issues. I'm not going to game with this system so I'm not the one to find out what might happen. If you try gaming with a 570 and the stock PSU report back how it goes. If you do damage the motherboard, replacements are fairly cheap but it takes time and effort to do the swap. So just be aware of the risk you're taking.
Here's the Aorus RX 570 that I've got and tested:
https://www.newegg.com/gigabyte-radeon-rx-570-gv-rx570aorus-4gd/p/N82E16814125965
With general use like internet surfing the fans don't spin up. It's completely silent. It's also hard to hear any of the three fans running in this Dell 9020. I'm very impressed with what Dell has done. For a $45 dollar purchase I'm more than happy.
8 pin power adapter. Required for the 570 to work. I plugged in both sata power connections but one should work. You can use both sata power connectors that are on the cable for the optical drive power. Leave the other two for Sata SSDs.
https://www.amazon.com/dp/B007Y8FSMQ/?tag=tonymacx86com-20
Startech 8 pin connection to the 570. I know, it's not pretty but there is no side window on the 9020 MT.