Amazon.com: 2 Pack USB to 4-Pin Molex Fan Power Cable, 5V USB Port to 12V Molex Computer PC Fan Adaptor Connector Cable Cord Wire : Electronics
USB to Molex 4 Pin PC Computer Cooling Fan 1 Feet Connector Cable Adapter CoC`c | eBay
Amazon.com: OKGEAR Coolerguys 4 pin Female and Male Molex Pass-Through to Dual Female USB A 5V Power Connecter, Black, 6 inches, for USB-Powered Fans, Light and Other USB-Powered Device : Electronics
Power Adapter for USB-IDE4044 Molex 4 Pin Power - PI Manufacturing