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如何鉴定U盘的好坏
更新时间: 2020-09-16 00:00:00  

1、看价格。正品U盘的价钱明显要比水货U盘的价钱高。2、测速度。好U盘的读写速度都是不慢的。一般的U盘写速度能达到8至10MB每秒。读速度能达到15至20MB每秒。3、看包装。好U盘做工精细,包括包装都是不随便的。4、用测U盘的工具进行检测。如数码之家的U盘扩容检测工具可以检测出U盘的好坏。5、购买U盘时,一定要索要发票,并且U盘身上的标签也不要撕。

关键词: 如何 鉴定 好坏

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