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Operational Volt and current: 12V / 120mA
4040 fans normally used for Graphic card, some ICs on mother board of computer, and 7070 fans normally used for CPU.
 
                    The fan has a DC brushless motor, with an operating voltage of 12V, and is rated at 120mA. Keeping the temperature down in your project can often be a necessity, and this fan can definitely help.