It features a capacity of 32GB, is compatible with the UHS-I bus, and delivers maximum read speeds of up to 90 MB/s and maximum write speeds of up to 40 MB/s. This Extreme UHS-I SDHC card supports the V30 speed class, which guarantees minimum write speeds of 30 MB/s. If your device does not support the V30 speed class, this card also supports the U3 speed class, which likewise guarantees minimum write speeds of 30 MB/s. If your device only supports the Class 10 standard, minimum write speeds are guaranteed not to drop below 10 MB/s.Built for extreme conditions, SanDisk's 32GB Extreme UHS-I SDHC Memory Card is water, shock, and x-ray proof, while also being able to withstand temperatures from -13 to 185°F, allowing for use in environments such as snow and deserts. A built-in write protect switch further helps to safeguard your content, while advanced Error Correction Code engine offers improved data integrity and card reliability during read and write operations. Downloadable RescuePRO data recovery software helps you restore accidentally deleted images. The card also has a writable label on its surface and the included jewel case makes for easy storage and organization. Faster Performance and Downloads? With write speeds up to 40 MB/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.