Probably you have more than one USB flash drive and you have stored many helpful programs for your IT daily activities.
But what about USB Flash driver performances, have you ever asked, how to Check the Speed of a USB Flash Drive to evaluate the best one ?
I found SpeedOut, a nice freeware tool to see read and write speeds of your USB drive. Perform this test. Easy to use, run SpeedOut and start the test, it does not have any impact in existing data on USB drive. The final result is shown below :
Link : SpeedOut
For more information about portable tools, please read USB Swiss Army Tools Collection