The power supply that comes with this computer is able to power an Nvidia
I used a sata to 8 pin adapter cable to do it below are links to two such items on Amazon:
https://amzn.to/2ZtSAvg
https://amzn.to/3bSbMFH
I used the second link ^ and it worked, I just didn't need a two pack.
Here's a link to the computer on Amazon: https://amzn.to/387wBvv
Get this newer model with 10th gen i5 and Nvme ssd: https://amzn.to/3hb0Gyb
Each Amazon link is linked to my Amazon Associate's account and a percentage of your purchase will support the channel at no extra cost to you.