Female DC5521 Plug to 4-Pin Fan Power Adapter Cable

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Power any standard 3-pin or 4-pin PC fan with a DC power supply. The DC input measures 5.5mm x 2.1mm which is the most common barrel plug size, ensuring compatibility with a wide r ange of power supplies. Most computer fans require 12V for full speed operation but lower voltages like 5V and 9V can be used to achieve quieter operation. Show more