razer tomahawk atx rgb replacement cables

So I got a new mobo for my pc an has more ports for rgb an am wanting to plug in the rgb that's on the case it's self but I lost the original three prong cable an the three to five prong cable that plugs into the little controller on the case. Can someone please help me out an tell me where I could find replacement cables for it? Also was those cables would even be called I've tried wording it every way I could possibly think of searching online an cannot seem to find them.