Memory Cards Verbatim 44084 64GB Premium microSDXC Memory Card with Adapter, UHS-I Class 10, Memory & Processors > Memory Cards UHS-1/Class 10 - 1pk, Premium microSDXC card with adapter offers a removable storage solution for mobile devices with optimal performance for demanding applications from high megapixel digital photography to high-definition video recording. Class 10-rated design offers superior video capture/playback characteristics and fast photo upload/downloads. 64GB card requires a SDXC host device and exFAT file system update for Windows Operating Systems. Design also features a UHS-1 (Ultra High Speed Interface). Write-protect switch prevents accidental data deletion.