Advantages and disadvantages of a USB 3.0 memory card reader.
While most computers at the time this tip was written support USB 2.0, not all support USB 3.0, a higher-speed version of the USB standard. If you perform a lot of digital photo manipulation, copying gigabytes of photos between memory cards and various computers, upgrading to USB 3.0 may make sense in that it could save you time.
Unfortunately, if you are using older memory cards or memory cards geared towards average consumers instead of high-end hobbyists or professionals, you may find the purchase cost not worth the money. Medium or lower-range memory is rated at a lower transfer speed that may not take advantage of the benefits USB 3.0 offers. Also, transfer speeds between USB 3.0 readers vary, so the cheapest reader may not result in the best performance….
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