If you bought a flash memory item from dhgate.com seller adrian886 seller you are advised to test item(s) immediately for advertised capacity. Read: H2testw 1.4 – Gold Standard In Detecting USB Counterfeit Drives
If your memory item fails testing post a comment on SOSFakeFlash’s Report A Fake Tab and here. You can also document by sending information to SOSFakeFlashDrive@gmail.com. Addressing Information is important!
Never use any flash memory item without testing for capacity. If you purchased a fake you could lose your files and data. Please read: Why Is Fake Flash Memory So Dangerous?
Please see Validation Memory links for brand names and flash nand memory chip decoding. Reminder, Gb is Gigabits, not Gigabytes. 8 bits is 1 byte. You must divide by 8, if manufacturer lists size as Gb. Exercise care in disassembly of your item to decode.
For a catalogue of common fakes, please see FlashDriveFacts . Scroll down on the left menu bar to see the categories.
Crises on Ebay For Fake Flash Memory Products Sold In 32GB 64GB 128GB 256GB – SOSFakeFlash Reports
Flashchiptutor's Flash Drive Facts 