Just add these between your motherboard and the power supply and you can have white - or any color they make - cables visible with the standard cables supplied with the power supply hidden under or behind in the hidden area.
Better than paying +$100 for custom cables. If your case has glass all around your out of luck though, because the it will show everything.
Asiahorse 16AWG Pro Power Supply Sleeved Cable For Power Supply Extension Cable Wire Kit 1X24-PIN/ 2X8-PORT (4+4) M/B,3X8-PORT (6+2) PCI-E 30Cm Length With Combs(Dual EPS Black)
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