Transcend's SDXC 300S memory card provides the performance and capacity required to harness the full power of your UHS-I compatible digital camera or camcorder. - Supports Ultra High Speed ​​Class 1 specification (U1 ) - V10 - Class 10 compliant - Transfer speed: Up to 95MB/s read speed, Up to 45MB/s write speed* - Meets JIS IPX7 standard (Can withstand 1m under water for up to 30 minutes) * Note! Speed ​​may vary depending on host hardware, software and usage.