The A21 adapter cable enables 12V PC fans to be operated directly via a USB port. Thanks to the integrated step-up converter, the USB voltage is reliably increased from 5V to 12V, so that compatible 3-pin and 4-pin fans can be operated without any problems. The practical solution is ideal for DIY projects, additional cooling of network devices, routers, hard drive cases, amplifiers or other electronic devices. Thanks to its compact design and simple plug-and-play application, the cable is versatile. Please check the power consumption of your fan before purchasing. The adapter cable is only suitable for 12V fans with 3-pin or 4-pin connectors. Actual fan speed may vary depending on USB power source and fan connected. We try our best to ensure our customers are completely satisfied. If you.
