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A USB fan can serve many purposes
Aug 17, 2017

usb fanled usb fan

A Universal Serial Bus (USB) fan is any fan that makes use of a USB port for power. USB ports are standard features on most modern computers, on many other electronic devices, such as video game consoles, personal digital assistants (PDAs), smartphones, and digital video recorder (DVR) boxes. A USB fan allows a user to make use of these ports for cooling purposes.


USB fans come in a wide array of sizes and forms, from standard desktop fans to smaller, more functional computer case fans. Whatever design they adhere to, though, they all must work within the limitations of the USB specification and therefore can draw no more than 5 volts of power. This means that most USB fans will be relatively small in size and suitable for a desktop environment.


A USB fan can serve many purposes. For instance, many laptops can benefit from a USB fan for system-cooling purposes. Computer parts generate a great deal of heat. Often, over the life of a laptop, the built-in system cooling will prove inadequate to keep the laptop running at acceptable temperatures. When this happens, the system may overheat, resulting in a sharp decline in performance.


A user whose laptop is overheating might notice system lockups and graphical errors. Eventually, the laptop might cease functioning altogether as the excessive heat causes its internal hardware to break down. A properly positioned USB fan can prevent overheating from happening and greatly increase the lifespan of a laptop.


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