Sabrent USB-UF6 8-port PCI USB/FireWire Combo Adapter - 4 x USB 2.0 USB External, 1 x USB 2.0 USB Internal, 2 x IEEE 1394 FireWire External, 1 x IEEE 1394 FireWire Internal - Plug-in Card
Easily adapted your ATX fan to 4 pin molex Male and female 4 pin molex to a male ATX. Works with all ATX CPU or case fans.