Startechcom 4 pin fan power extension amp splitter cables startechcom fan4split12 the startechcom fan4split12 300mm fan power splitter cable enables you to connect 2 x 4 pin fans to a single motherboard power connector the splitter cable gives you the freedom to add another fan and the flexibility to place both fans where they have the best effectbacked by the startechcom lifetime warranty startech fan4split12 300mm 4 pin fan power splitter cable fm