The Premier series SDHC memory cards are especially designed for digital camera users. They are compliant with SD 3.0 specification (Ultra High Speed 1, UHS-I), and backwards compatible with SD 2.0 specification devices. This series 32 GB memory card, read/write speeds are as high as 50/33 MB/sec, providing you with higher performance, high reliability and outstanding durability.Data stored on Premier card benefits from added protective features, including: X-ray proof construction, resistance to extreme temperatures, error correcting code (ECC) and write-switch protection functions.