Thanks everyone :)
No, they are not needed....which is good because the holes in the back plate did not line up well enough to be used. It'd make more sense if you saw how the PSU was attached internally (check the build log).
:laugh: That was one of the most difficult aspects of this...
I just finished a build I've been working on for a customer. He requested a system to fulfill these requirements.
cutting edge gaming performance
If you like what you see here, be sure to check out the full build log for details :)