![Why do some AC adapters and power supplies generate a whining noise, and what can I do about it? - Super User Why do some AC adapters and power supplies generate a whining noise, and what can I do about it? - Super User](https://i.stack.imgur.com/144ui.png)
Why do some AC adapters and power supplies generate a whining noise, and what can I do about it? - Super User
![be quiet! on Twitter: "Coil whine is the result of vibrating coil windings within electrically operated PC components - the resulting friction creates the metallic noise. Our power supplies do not generate be quiet! on Twitter: "Coil whine is the result of vibrating coil windings within electrically operated PC components - the resulting friction creates the metallic noise. Our power supplies do not generate](https://pbs.twimg.com/media/FAhf9nbX0AEutEx.jpg)
be quiet! on Twitter: "Coil whine is the result of vibrating coil windings within electrically operated PC components - the resulting friction creates the metallic noise. Our power supplies do not generate
![Amazon.com: MSI MPG A650GF Gaming Power Supply - Full Modular - 80 PLUS Gold Certified 650W - 100% Japanese 105°C Capacitors - Compact Size - ATX PSU : Everything Else Amazon.com: MSI MPG A650GF Gaming Power Supply - Full Modular - 80 PLUS Gold Certified 650W - 100% Japanese 105°C Capacitors - Compact Size - ATX PSU : Everything Else](https://m.media-amazon.com/images/I/71HEQ9FBF9L.jpg)