u盘识别（U disk identification）.doc

u盘识别（U disk identification） Buy U disk, pay attention to expansion disk (how to identify the repair expansion disk)? Buy U disk, pay attention to expansion disk (how to identify the repair expansion disk)? In the department store to see the Kingston U disk of a 4G price 75 after bargaining price of 60 yuan to buy easily. It feels cheap. When I came back, I felt something wrong when I came back. Storage of small files can also, once the larger files are not read out. Check on the Internet, found that actually bought a practical capacity of only 500M expansion disk. Data to be collected now Share: NOUN interpretation: Expansion disk - this ruthless, manufacturers use a production tool (software), so that the U disk display capacity is greater than the actual capacity. Specifically, for example, you bought the 2G U disk, but the copy of aggressive 2G thing, only some can open, and the rest of the display file is damaged or can not open, you do not know how it happened. This is the expansion disk. It means that your actual capacity is not 2G. I heard that 32M has been expanded into 2G for JS. This U disk is also the most on the market, but also the most likely to deceive you. Key points of identification: Software MyDiskTest is needed. MyDiskTest: It has 5 functions: capacity expansion test, bad block scan, speed test, aging test and bad block shielding Is to test your U disk read and write speed, as well as the most important actual capacity The body uses the method, everybody looked has understood. Some time ago, I saw a 8G U disk on Taobao. The seller was very firmly that is genuine, authentic Kingston, but also can call the security call, so he bought. The delivery process is made, I use the price of the letters he sent me EMS, but EMS in the snow under the pretext of slow, 5 days after the receipt of. Receive the goods before someone said is fake, said after the 4Gb space will go wrong, then the feeling may be expansion disk in the legend, is through the correspond