DC Power Supply Plug to Four 4-Pin 3-Pin PC Fan Power Adapter Cable 13.8inch

Change the chassis fan to DC interface power supply.Use a Variety of DC Power Supplies to Control Desired Fan Speed (for Example: 5V forSilent 12V for Full Speed).Input: Female 5.5mm OD x 2.1mm ID DC Plug Socket.Output: 3/4-Pin Male Fan Connector (Specialized Fan Connector Is Compatible With Both3-Pin And 4-Pin Fans).Cable Length (Excluding Connectors): 13.8" / 35cm.