3 Way 4 pin PSU Power Splitter Cable LP4 Molex 1 to 3

Connectivity: 1x male Molex connector to 3 x female Molex. Molex Three Way POWER Splitter. Internal Power Adapter which allows a standard Molex power lead. to be split into 3x molex connections. Just connect to an available Molex power cable.

eBay