Transcend SD Card SDHC 300S 16GB

The UHS Speed Class indicates the minimum sustained write speed of an SD or microSD card, expressed as a class such as "Class 3 (U3)" or "Class 1 (U1)". It helps users compare cards for high‑performance applications like video recording or rapid data transfer.

The video speed class indicates the maximum sustained read and write speeds of a memory card or storage device when recording or transferring video, expressed as a standard code such as V10, V30, V60, or V90. It helps users compare how quickly a device can handle high‑definition video streams and ensures compatibility with camera or recorder requirements.