Zectron Digital Pro series 32GB Class 10 High Speed SDHC memory card, with USB/SDHC reader, Zectron Digital 32GB card is ideal for all uses, including HD video recording High Speed Sports Photos and High Speed Multy Shots especially with high megapixel rating due to it's very high speed. In our tests these cards show a sustained read speed above 17mb/s and a sustained write speed above 15mb/s making them faster than most other memory cards on the market. This product is brand new and comes supplied in a protective memory card case. Class 10 SD memory cards are the fastest speed available and can cope with very large files without the risk of playback lag. If you are using an SDHC memory card in a digital Camera Camcorder Video with very high megapixel rating or recording HD video we would recommend using a Class 10 card for optimal performance, with a USB card reader, This reader will also convert your SDHC card into a 32GB Memory Stick and a handy storage case.