Jesus elecro is bad at like everything. Stop asking questions here and read up on how to build a computer somewhere. You have no idea of the basics at all. It's almost impossible to help you.
You have no idea what you're talking about at all. His computer isn't even an amd computer. Everything in your build is also stuff. The psu is decent I guess.
Your mobo crap and that socket is outdated. No cpu is going to be good.
I thought most motherboards support both. Forgot it was a prebuilt lol. And you can't get any good parts for 125
its a lga775 socket
Is it microATX, or Mini ITX?