USB 12V to 4-Pin Fan Power Adapter Cable - 24"

This USB Cable Allows You To Power Most Case Fans (Both 3-Pin And 4-Pin) From A USB Connection 12V Voltage Boost: Inside The USB Housing Is A Step-Up Circuit That Boosts The USB 5V To 12V Allowing PC Fans To Operate At Full Speed High Quality Construction Features Upgraded 22 AWG Power Wires And High Density Black Sleeving NOTE: Due To USB Port Current Limitations We Do Not Recommend Using Fans That Require More Than 0.4 Amps At 12V