F3X 1.1

F3X is a software that enables users to test their SD cards to verify their storage capacity. With F3X, users can insert the SD card, select it, and click "Start Test" to begin the testing process. Depending on the size and speed of the card, the test could take several minutes.

F3X allows you to test your SD cards to see if they really have the amount of storage they're said to have. To test an SD card, make sure it's inserted, select it and click "Start Test". The test can take several minutes depending on the size and speed of your card.