Female DC5521 Plug to Dual 4-Pin PC Fan Power Adapter Cable

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This adapter cable allows you to power up to two (2) standard 3-pin or 4-pin computer fans from a DC power supply The DC input measures 5.5mm x 2.1mm which is the most common barre l plug size, ensuring compatibility with a wide range 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