The MacBook Pro comes with a built-in SD card reader, so you can insert compatible SD cards and view their contents using the Media Reader. The cards must conform to SD 1.x, 2.x, and 3.x standards.
You might be familiar with SanDisk MicroSD cards from using one in your mobile phone, old mp3 player, or portable GPS system. Because microSD cards are so small, about one fourth the size of a regular ...
If you've been using SD cards for years, you probably have old ones lying around with low storage and not much use. This solution will give them a new purpose.