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USB Flash Drive Speed Test - How Fast Is Your Stick?  

by Matt Hawkins, 19/04/2012
Categories None

If you've got a USB flash drive or SD card and need to find out how fast it is then you can use a free utility called SpeedOut to perform a speed test and measure the read and write speeds.

These tests are worth doing if you have purchased a new usb stick and want to check it is performing as expected. Knowing your flash drive is working ok is a good idea before you start using it to store data.

You can download SpeedOut from https://sites.google.com/site/mbentefor/projecs-speedout.

It does not need to be installed and is completely portable.


speed_out_1.jpgTo perform a test follow the steps below :

- Insert flash drive into USB port
- Start SpeedOut
- Wait for intro animation to complete
- Select appropriate drive letter from drop down list
- Click "Start"

The application will perform 4 read tests followed by 4 write tests. The average read and write speeds are then displayed. The read speed is most likely to be larger than the write speed. The average of the two numbers will indicate what "Class" the flash storage device is.

Flash memory is usually available marked with the following classes :

Class 2 - 2MB/s
Class 4 - 4MB/s
Class 6 - 6MB/s
Class 10 - 10MB/s

As with all speed tests they are only a rough guide. There are lots of factors that affect real world data rates. These include :

- File size
- Activity of other USB devices
- General computer activity

Author : Matt Hawkins  Last Edit By : Matt Hawkins
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