News — u1 sd card
How to tell the speed difference between SD cards
Posted by Gloross Collaborator on

The first one is the Class value. There are four levels of C2-C10 on the SD card.
The second one is UHS value. UHS means ultra-high-speed interface, and currently you can see two levels of U1 and U3.
The third, HC and XC values. HC is a High Capacity memory card, and XC is a Xpanded Capacity memory card.