Capacity:
Common capacities are 4G, 8G, 16G, 32G, 64G, etc. You can choose according to your needs.
Speed class:
The SDHC standard (SD2.0) released in March 2006 redefines the speed specifications of SD cards, namely: Class2, 4, and 6.
The new SD 3.0 was released in 2010, defining SDXC and UHS, and adding Class 10.
SDHC memory cards are divided into different classes (Class), which indicate the stable minimum access speed of the memory card, and are divided into four write speeds: Class 2, Class 4, Class 6 and Class 10. The SD Card Association has mandated that all SDHC-compliant devices must be marked with the "SDHC" logo. The transmission speed of each card corresponds to the following:
Common capacities are 4G, 8G, 16G, 32G, 64G, etc. You can choose according to your needs.
Speed class:
The SDHC standard (SD2.0) released in March 2006 redefines the speed specifications of SD cards, namely: Class2, 4, and 6.
The new SD 3.0 was released in 2010, defining SDXC and UHS, and adding Class 10.
SDHC memory cards are divided into different classes (Class), which indicate the stable minimum access speed of the memory card, and are divided into four write speeds: Class 2, Class 4, Class 6 and Class 10. The SD Card Association has mandated that all SDHC-compliant devices must be marked with the "SDHC" logo. The transmission speed of each card corresponds to the following: