Hello guys ,im newbe for pc equipment so i ask maybe something stupid but any answer will help me .  i have 6x vega 56 gpu card they need 3x 6+2 pcie. Problem and my question is can i somhow get 18 pci from my  EVGA 1600W SuperNOVA P2, ATX 2.3 power suply ?with extenedrs and spliters ... And is it safe? Thx