The PNY 128GB Elite Performance SDXC Flash Memory Card is the latest technology from this manufacturer. It is rated Class 10 and features a new Ultra High Speed (UHS-1) data bus for incredible transfer rates. The PNY 128GB SDXC Class 10 memory card delivers read speeds up to 90Mbps. The format acronym stands for secure digital extended capacity, which this item delivers. It's compatible with SDXC host devices ranging from the latest high-megapixel cameras and HD camcorders to high-end DSLRs and laptops. Built for durability, this device is shock proof, waterproof, temperature proof and magnet proof, so that you can count on a long and reliable operating life. With this 128GB SDXC memory card, you can record up to 29 hours of HD video, enough to hold every episode of your favorite show. Use this product to bring along five or six movies to watch on a trip or to store large files.