Best Buy: SanDisk Ultra 32GB microSDHC Class 10 Memory Card SDSDQUI-032G-A46
Amazon.com: Professional Ultra SanDisk MicroSDHC 32GB (32 Gigabyte) Card for GoPro Hero 3 Black Edition Camera is custom formatted and rated for high speed, lossless recording! (HC UHS-I Class 10 Certified 30MB/s) :
SanDisk Ultra 64GB Class 10 Micro SD Card With Adapter Speed 100Mb/s Smartphones 619659185060 | eBay