What is SD card? SD stands for Secure Digital.
There are three kinds of SD cards in the market now:
1. SD: The speed 1x equals 150KB/s, and it can range from 1x to 133x. The capacity is limited to 2GB.
2. SDHC (SD HIgh Capacity): SD 2.0. The speed can be divided to Class 2(2MB/s), 4(4MB/s), 6(6MB/s) and 10(10MB/s). The capacity is ranging from 4GB to 32GB.
3. SDXC (SD eXtended Capacity): SD 3.0 and supports UHS(Ultra High Speed). The speed can range from 25MB/s to 300MB/s. The capacity is from 32GB to 2TB.
For more details, you may go to the following pages on Toshiba website:
