Amazon.com: OPSFALCON 2 Pack 4-Pin Molex (Actual 2-Pin) to 2 x 3 Pin / 4 Pin PMW 12V PC Case Fan Power Adapter Cable, 3-Pin or 4-Pin (PWM Connector) to Molex Computer
Molex 2 Pin Black Connector Pitch 4.20mm.0165" w/18-24 AWG Pin Mini-Fit Jr ™ (3 Completed Set): Amazon.com: Industrial & Scientific
1 Set of JST-SM 2 Pin Male/Female Connector with 5" 24awg wires
Molex 4-Pin Connector Kit 0.093" 2 Sets
Molex (2 Circuits) BLACK Power Connector 2 Pin w/14-20 AWG 2.36mm Dia, Standard .093" with Glow Wire Capable (3 Match Set): Amazon.com: Tools & Home Improvement
Molex 2 Pin Cable Female Connector with 220mm x 26AWG Wire
Molex PicoBlade 2-pin Cable - 200mm : ID 3922 : $0.95 : Adafruit Industries, Unique & fun DIY electronics and kits