PNY 64GB Elite Class 10 U1 microSDHC Flash Memory Card for Mobile Devices - 100MB/s, Class 10, U1, V10, A1, Full HD, UHS-I, micro SD - Walmart.com
SanDisk 64GB Ultra UHS-I microSDXC Memory Card
Amazon.com: Professional Ultra SanDisk 64GB MicroSDXC Card for Samsung Galaxy S4 Active Smartphone is custom formatted for high speed, lossless recording! Includes Standard SD Adapter. (UHS-1 Class 10 Certified 30MB/sec) : Electronics