As metioned before, it could Costa you a lot more than just zu buy a case. It will take quite some time and you will encounter quite some problems with the design during the buildprocess. You should also exectly plan out how to attach the parts what kind of mounts you need and oft there is enough space for them. And dont forget the cables. And you will find yourself in a situation where you need so sacrafice some qualität in order to be able to finish your build.
TRUST ME I‘M AN ENGINEER?
you can also buy Front io panels corsair