Cable adapter - 4-pin molex to 3-pin - Buy at CoolerKit.com
1pcs 4-pin Molex To 3-pin Fan Power Cable Adapter Connector 12v Computer Cooling Fan Cables For Cpu Pc Case Fan - Pc Hardware Cables & Adapters - AliExpress
1.25mm Pitch 3-pin Cable Matching Pair - 40cm long [Molex PicoBlade Compatible] : ID 4721 : $0.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Molex -3 Match Set - (3-Pin) w/14-20 AWG, Wire Connector - 2.13mm D, Latch Lock, MLX™: Amazon.com: Industrial & Scientific
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
Y-Kabel 3Pin auf 2x 3Pin | Aquatuning Japan
3-Pin Male Fan Connector, Molex 2510 – Coolerguys
Performance World 320603 3-Pin Molex MLX Connectors
Molex power adapter for 4 fans 3-pin - Computer power supply Generic on LDLC