Greetings. What is the intended use of the PC and your overall budget?
The case is eATX and the board is ATX, no good, change one so the size matches. I suggest a lest costly ATX case. The RX6500 is PCIe X4 lanes, not the full X16, I would leave that right off, its being called the worse GPU in years. Your right to get help, keep that up and plan well before you start. Take your time here, this is the most important part.
To do this right people need to know your budget and what you want the build to do, game, stream, work. The biggest thing in building a PC is that balance, parts, price, needs, matched best for budget. Actually putting it together is the easy part.
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