3pcs 4 Pin Molex to 3 Pin PC Computer CPU Case Fan Power Connector Cable Adapter: Amazon.com: Industrial & Scientific
Amazon.com: SDTC Tech Molex to Fan Power Splitter Cable, 2 Pack 4-Pin IDE to 3X 4-Pin Fan Connector Black Sleeved Y Type Extension Power Cable Compatible with 3-Pin/4-Pin PC Case Fans -
DarkSide 4-PIN Molex + RPM Wire to 3-PIN Fan Conversion Cable - 30cm Jet Black Sleeved (DS-0525) ModMyMods.com - PC Watercooling Parts and Accessories
Amazon.com: Siyu Xinyi 4-Pin Molex to4 x 3 Pin / 4 Pin PMW 12V PC Case Fan Power Adapter Cable, 3-Pin or 4-Pin (PWM Connector) to Molex Computer Cooler Cooling Fan Splitter
Amazon.com: 4-Pin Molex Male to 2X 4-Pin/3-pin Female Power Extension Adapter Cable (Pack of 2) : Electronics