From the Manufacturer:
SanDisk Extreme SDHC and SDXC UHS-I memory cards offer enough speed, capacity, and durability to meet the demands of advanced photographers and passionate shutterbugs alike. Ideal for use with advanced cameras and HD camcorders, this card offers data speeds up to eight times faster than an ordinary memory card, ensuring you'll never miss the moment.
80 MB/s Read Speed for Faster Performance and Downloads
With read speeds as fast as 80MB/s, this card unleashes the full shooting potential of your advanced camera or DSLR. Take advantage of advanced functions such as fast action shots, continuous burst mode and multiple frames per second. Photos are written to your card almost instantly so you'll get your best shot, and you’ll save time moving it all from your camera to your computer.
Extended Capacity Holds High-Resolution Photos and Videos
With capacities up to an incredible 128GB to capture it all, this SanDisk Extreme UHS-I Card offers enough room for thousands of high-resolution photos. The card can accommodate high-volume image formats, such as RAW and JPEG, without running out of space. This memory card also provides plenty of room for Full HD videos.
Flawless Full HD Video Recording
With Class 10 and UHS Speed Class 1 (U1) video ratings you'll be ready to capture cinema quality 3D and Full HD video (1080p), which require more performance than ordinary cards can handle. This memory card's accelerated minimum sustained write speeds ensure no video data is lost during recording, by reducing dropouts and stuttering.
Error Correction for Enhanced Reliability
Thanks to its Advanced Error Correction Code engine, the SanDisk Extreme SDHC and SDXC UHS-I card reduces the chance for error during data storage and retrieval. Prevents potential data corruption, providing high data integrity.
Fast Transfer Speed Reduces Upload Time
SanDisk Extreme SDHC or SDXC UHS-I cards boast a read speed of up to 80MB/s, so you can transfer photos and videos to your computer quickly. You'll spend less time uploading photos and more time editing, storing, and sharing.
Designed and tested to withstand the toughest conditions, card capacities 16-64GB are waterproof, shockproof, and X-ray proof. It can operate in temperatures ranging from -13 to 185 degrees Fahrenheit, so you can snap the perfect shot in almost any climate.
The SanDisk Extreme SDHC and SDXC UHS-I Cards are backed by a lifetime limited warranty.