You can get the 12v power adapter on ebay, mine is variable cuz that's what I had laying around. The mods you buy need to have a 3 pin Molex female adapter put on and you'll have to put one on the power adapter so it plugs into the distribution board. A mod that uses 12v will have the wires on the 2 outside pins and a 5v mod will need 1 inner pin and 1 outer pin. Can't remember just now which outer pin.
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