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This dual-pack step-up adapter cable turns common USB 5V low voltage into 12V rated power, letting you power regular Molex PC cooling fans directly from any spare USB port on motherboard or hub.
Each cable measures 30 centimeters long, convenient for routing fans in small form factor cases, external cooling brackets or modified equipment. The molded Molex connector locks firmly in place to prevent accidental disconnection during long running time.
No soldering or circuit modification is required, ideal for adding extra auxiliary cooling fans, supplementary radiator fans and small LED light strips when PSU fan ports run out.