Modecom

Hi , few months ago I have taken some parts from an old computer and I have some PSU in my home , I don´t know about the brand , so anyone here could say if this PSU Modecom Feel III-500 ATX is any good ? I will use it only for testing other computer when I need it anyway , but I am asking this...

So I'm building my first PC right now, and I'm really confused and annoyed because none of the cables seem to be the right cables. My biggest problem right now is the CPU Power cable. I have a Z170-A Pro MB and an EVGA Supernova 650 G2 PSU. The cables that I have that came with the PSU for...