F3
F3 is an open source that assesses the real capacity of USB sticks and other media. An advantage over other tools is, that it does not need administrative rights to access the device.
USB Flash Drive Tester
Flash card/drive tester allows testing of any removable media including SD, MMC, CF, USB flash pen drives for bad or unstable ...
USB Memory Stick Tester
USB Memory Stick Tester is a small application designed to help testing removable storage media (such as USB memory sticks) fo ...
H2testw
Data integrity test for USB sticks and other media An advantage over other tools is, that it does not need administrative righ ...
CapacityTester
This tool can test a USB drive or memory card to find out if it's a fake. For example, a fake might be sold as "64 GB USB thum ...
Quick Disk Test
Quick Disk Test fills a disk with test data and verifies that it can be read back without errors.