What is shrink u disk, expansion disk

Shrink u disk, also known as "expansion Disk", "Upgrade disk." Refers to unscrupulous manufacturers use a mass production tool software, change the main control information on U disk, the U disk capacity is marked much larger than its actual capacity, to defraud the consumer means profiteering. When the actual capacity of the U disk is less than or equal to its nominal 90%, that is identified as the existence of quality problems of the shrink U disk.

Shrink U disk Features

1. The actual capacity is much smaller than the marking capacity, such as 16GB u disk may be 4GB,2GB and other fake! But my computer, U disk properties can not see out.

2. In the use process, not only the replication speed is very slow, and will soon appear "Not enough memory" tips.

3. Copied to the shrinking plate of the file, more than the actual capacity of the part, can not be normal reading and use.

4. Consumers will be brought a series of lost data, data corruption can not read the cause of work delays and other problems.

Identification method

The most direct and effective way is to purchase on-site direct identification. Manually on the seller's computer for a one-time storage of more than half a U disk volume of file data, if it is a shrinking disk, the data deposited is damaged, can not be opened. or use U disk identification tools such as Jinshan u disk Guards (or Jinshan poison pa with the U disk Guardian), 360U plate appraiser, etc. by the line identification (below will be the Golden Hill poison PA with the U-disk bodyguard As an example to explain).

If you accidentally buy a shrink u disk, you should immediately turn out documents and information, and communicate with merchants as soon as possible to exchange or claim. Shrink u disk when used do not exceed the actual identification capacity, otherwise it will cause data loss, damage.

The following is a U disk defender with Jinshan. Jinshan U disk defender integrated in Jinshan poison PA's Hundred Treasure Box small application tool. Of course, there is no Golden Hill antivirus software can also use the 360U panel, the tool is integrated in the 360 security defender of the function of the small tool inside.

U disk actual capacity and manufacturer details. This factory information can also know that u disk is not the original brand factory out of some counterfeit U disk will be used as a USB U-dish chip posing as well-known manufacturers. For example, you bought a Kingston u disk, a detection of U-disk chip manufacturers show is not Kingston information. Then you have to consider the authenticity.