The STUDIO XPS 7100 is standard EPS12v power supply. [URL] [URL] EVGA 700BR should be fine.  100-BR-0700-K1 [URL] [URL]   460W is the stock unit FVGCW [URL]   [IMAGE]DELL 460W    
I have to replace the psu on my Dell studio xps 7100 Iand I have the replacement to install however I'm not sure where to  plug one plug can I get some help it's a 6 pin plug p7 p8 3yellow 3 black wires
Studio XPS 7100, PSU help