电脑接口区分2.0或3.0的方法如下:
1、先针对电脑,有些比较破旧的电脑,本身就只有USB2.0的,但是如今新产的电脑,都是有USB2.0和USB3.0插口的。
2、颜色区分法:电脑,可以根据插口的颜色来区分,黑色的就是USB2.0,蓝色的就是USB3.0(一般位于主机的背后,因为USB3.0需要安装驱动)。
3、触片法区分法:USB2.0只有4pin金属触片,而USB3.0有9pin触片,前面4pin与USB2.0是一至的,后方的5pin则为USB3.0专属。
4、标识区分法:根据在插口旁边的符号来区分,如下图。USB3.0的SS代表着SuperSpeed。
5、还有一种,USB3.0标准B型接口尺寸比USB2.0的更大,颜色也为蓝色。上部较为突出,容纳新增的5pin触片,USB2.0无法接入。这个比较好区分。不会与USB2.0的混淆。
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