Performance allowed: With up to 100 MB/s read and 90 MB/s writing, EVO Select memory cards deliver fast memory speeds. Even large files can be quickly backed up and retrieved. With a capacity of up to 512 GB, there is plenty of storage space, such as videos, photos and music. The high capacities of the EVO Select series are particularly suitable as storage expansion for mobile devices and are a suitable medium for professional applications that require high speed and robustness. HIGH COMPATIBILITY: Samsung EVO Select series microSD cards are compatible with a wide range of devices. Thanks to the included SD adapter, they can also be used in devices with SD slots. Four protected: EVO Select series microSD cards survive up to 72 hours in salt water, extreme temperatures, X-ray scanners (e.g. airports) and magnetic fields equivalent to MRI.