Flash Memory User Guide

The Flash memory user

Association purpose serves as the organization with the mandate to promote the SD memory card as the existing industry standard
Micro by definition means small or if you want to get technical, one millionth of the base unit. However you like to call it the Micro SD is tiny. How small is this card?  It is about a quarter of the size of an SD Card or your shinny red penny can cover it. It is also the size of a fingernail, so as you can see it is really micro.

Memory Card Speed

Flash Memory Card Buying Guide