JFP1

Today I assembled my First PC. When I switched on the PCs didn't respond. Fans didn't spin. Just the Power LEDs lit up. Thats it. Then I removed all the connectors in JFP1 and just inserted "Power Switch" connector. It worked. So, I have inserted the "Power Switch" connector perfectly. The HDD...

I've been thinking about this lately, does it? If so, is it worth the cheap price? What's the performance difference? If I want to build a RIG that's equal to Intel i7 8700k and GTX 1080 , how would you build it in AMD way? Mixed build e.g NVIDIA and AMD processor is fine but please provide...