H2testw

Data integrity test for USB sticks and other media An advantage over other tools is, that it does not need administrative rights to access the device - but it should not be NTFS formatted, as it does not allow to test everything.

Free Windows

USBDeview

Compare read and write speed of USB Flash drives: USBDeview is a small utility that lists all USB devices that currently connected to your computer, as well as all USB devices that you previously used.

Free Windows

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...

Free Open Source Mac OS X Windows Linux

Check Flash

Check Flash is a tool for testing and formatting flash-drives. It can be used to clean eny evidence of activity on your flash drive by formatting it.With Check Flash you...

Free Windows

FakeFlashTest

tests usb flash drives and flash memory sd cards to determine if they are fake (not full capacity). much quicker than h2testw.

Free Windows

diglloydTools DiskTester

DiskTester is a 64-bit application which tests drive performance and reliability for single volumes or RAID. Some highlights: * The fill-volume command is your smart...

Commercial Mac OS X

Quick Disk Test

Quick Disk Test fills a disk with test data and verifies that it can be read back without errors.

Free Open Source Mac OS X Windows Linux

USB Memory Stick Tester

USB Memory Stick Tester is a small application designed to help testing removable storage media (such as USB memory sticks) for defects.

Free Open Source Windows