Looks good. Definitely will handle your computer even at max load, plus maybe some other electronics, including another pc at max. Well, you should be able to considering that's a server grade ups.
I am no expert in these though, don't even own one myself, but that'll definitely work. You could even get the weaker version if you want and it'll still work,but you'll need a beefier one than in the op.
CyberPower is a good brand and all, it's just u didn't have enough
I could say https://www.amazon.com/CyberPower-PR.../dp/B0083TXNPE would do great as well
Edit: sorry for late response, I just forgot to hit post.
Edit 2: O, wow I guess mpgh has set up auto affiliates, that's cool.