I'm an inexperienced user. I have two of these machines.
https://www.amazon.com/dp/B07GPJT5HJ?psc=1&ref=ppx_yo2ov_dt_b_product_details
In the first one, I installed a 2TB samsung NVME and a 32gb corsair ram. It's running Ubuntu 20.04. It's working just fine and as intended.
I ordered another...