CRJ ElectronicsDC Power Supply Plug to 2 x 3/4-Pin PC Fan Power Adapter Y Splitter Cable

CRJ DC Plug to Dual PC Fan Power Adapter Cable - 12-inch (30cm) - Power Two 3-Pin & 4-Pin Computer Cooling Fans with a DC Power Supply

CRJ DC Plug to PC Fan Power Adapter Cables (2-Pack) - 6-inch (15cm) - Power 3-Pin and 4-Pin Computer Cooling Fans with a DC Power Supply

Noctua NA-FC1, 4-Pin PWM Fan Controller (Black)