Just like eating fifty cent tacos, sometimes paying less for something isn’t always a good idea. Such is the lesson that some folks have learned buying bargain priced 500GB hard drives from China that turn out not to be a lot less than what they appear.
It's a 128-MB flash-drive. Working in a "looped" mode - when it runs out of space, it starts overwriting from the beginning. My friend said they're still trying to figure out how did the Chinese do that. Because the drive reports "correct" file sizes and disk-capacity. And the "looped-overwriting" does not touch the other files present on the drive.