2-pin fan connector identification - Electrical Engineering Stack Exchange
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
Amazon.com: ExtremeMod 4 Pin Molex to 2 x 3 Pin Male Computer Case Fan Power Connector Y-Splitter Adapter Cable : Electronics