Amazon.com: Angitu for Corsair Fan RGB ARGB Adapter Cable HD LL120 140 QL 3Pin 4Pin Fan to 5V 3Pin RGB LED Cable 50cm (3P M to RGB) : Electronics
Amazon.com: ThreeBulls PWM Fan Hub, PC CPU Cooling 4 PIN/3PIN Fan Power Cable Hub Splitter Adapter Sleeved PWM Case Fan Splitter for 12V Desktop Computer Cooler Case Fans 1 to 5 Way (
3 pin to 4 pin fan adapter - Newegg.com
C2G 6in 3 pin Fan to 4 pin Pass Through Power Adapter Cable 6 - Office Depot
JST PH 2mm 4-Pin Socket to Color Coded Cable - 200mm : ID 4045 : $0.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: Phobya Adapter Cable, 4-Pin Molex to 3-Pin (5V/7V/9V), 30cm, Sleeved, Black : Electronics
JST PH 2mm 3-pin Plug-Plug Cable - 100mm long : ID 4336 : $0.75 : Adafruit Industries, Unique & fun DIY electronics and kits
4 Pin Floppy FDD Power to 3 x 3 Pin Fan Power Y Splitter Cable 30cm - MODDIY
Amazon.com: 4Pin PWM to 3Pin Standard Fan Adapter Cable : Electronics
How to connect a 3 pin CPU fan to a 4 pin connector - YouTube
How to connect a 3 pin or 4 pin fan to the motherboard | Cooler Master FAQ
Laird Digital Cinema 1' 4-Pin Hirose HR to 3-Pin LEMO SD-PWR4-01