64GB SD XC SDXC Class 10 SCT Professional High Speed Memory Card SDXC 64G (64 Gigabyte) Memory Card for Sony Alpha NEX-F3 5R NEX-6 NEX-3N SLT-A37 SLT-A99 SLT-A58 Cybershot DSC-RX100 DSC-RX1 with custom formatting Retail Pack Class 10 Secure Digital Memory Fast & Reliable 1 Year limited warranty