How to test the quality of U disk

How to judge the U disk is good or bad? Consumers want to know the problem. Use u disk test software testing, to download software, but also from the operation, this in the market to buy U disk is not realistic. and businesses in order to conceal their own sales of U disk products, the shortcomings will not let you use the test software test on the spot. But we consumers are not the way to do it? Of course not, here are some quick ways to test u disk.

First, put the video file inside the U disk to see if it can play.

Second, copy the file to the U disk inside, and then cut out to read the speed of reading and writing.

Third, see U disk packaging, the general good U disk brand, packaging is not open, apart can only be used.

Four, see the U disk sale price, too low can not buy, too high not cost-effective, choose the price medium.

Five, look at the brand, if the well-known brands in the store also to be careful, the well-known brand of U disk to the profit margins are low, and small businesses are struggling to operate, so it is certain that small businesses sell large brands of U disk designation is a sticker, consumers should be careful to buy.