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新一代USB-C接口和USB有什么区别?

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随着电子产业的发展，各种硬件接口也发生新的变革，不知道大家有滑 注意到最新的手机，平板电脑和笔记本电脑出现了一些奇怪现象：熟悉的矩形A型USB端口不见了，取而代之的是较小的长方形连接器。欢迎来到商业计算的USB-C时代。即使是最新的苹果MacBook也有一个USB-C端口。

USB-C接口是什么？

USB-C接口全称为USB Type-C，属于USB 3.0下一代接口，其亮点在于更加纤薄的设计、更快的传输速度（最高可达10Gbps）、更强的电力传输（最高100W），此外USB-C接口还支持双面插入，正反面随便插，相比USB2.0/USB3.0更为先进。

USB-C和USB的区别：

简单来说，新一代USB-C传输速度比USB更快、电力传输更强、接口尺寸更小，并且支持双向传输，兼容性更强。

USB-C接口如下图：

 

USB Type-C接口特点：

1、超薄

老式USB端口长14mm * 6.5mm，而USB-C只有8.4mm * 2.6mm。

2、不分正反面

与Lightning接口一样，不论正插反查都不会有问题，号称可承受1万次反复插拔。

3、传输速度快

USB-C端口的最高传输速率为每秒10Gb，比USB3.0快不少。USB3.0理论数据传输速度能够达到5000Mbps。

4、双向传输

不像老款USB端口，功率只能单向传输，USB-C型端口的功率传输是双向的，这意味着它可以拥有两种发送功率方式。

5、供电能力强

配备Type-C连接器的标准规格连接线可通过3A电流，同时还支持超出现有USB供电能力的“USB PD”，可以提供最大100W 的电力。

6、后向兼容

USB-C可以与老的USB标准兼容，但用户需要额外购买适配器才能完成兼容。


随着USB-C接口的普及，各种手机、电脑、平板、笔记本也将迎来统一的高速USB接口。

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