TOPRAM 64GB SD SDHC SDXC Secure Digital Extended Capacity Class 10 C10 Memory Card Compatible with SDXC host devices Compliant with the SD Association 3.01 specification Lifetime warranty Secure Digital Extended Capacity SDXC Class 10 Card / Minimum data transfer speed of 10MB/sec Support for CPRM / Supports Windows 7, Windows Vista, Windows XP