Buy 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 Cooler
Mini-Fit Jr. Connectors - Molex | Mouser
Sunon 50mm x 15mm Fan Mini 2 Pin Molex Micro-Fit 3.0 Connector KD1205PHB1 NEW | eBay