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---
title: Power Supply
localeTitle: 电源
## 电源
电源单元（PSU）为计算机供电。它将交流电转换为内部组件的稳定低压直流电。
PSU通常不是用户可维修的。为了您的安全，永远不要打开电源装置是明智的。
#### 更多信息：
* [电源](https://en.wikipedia.org/wiki/Power_supply_unit_(computer))