NOS Disk Extreme 64 GB MicroSD SDXC Class 10 Memory Card for Samsung Galaxy S2, S3, S4 S5 S7 S7 Edge Note 7 Galaxy Tablet Tab 2, Tab 3 10.1 7.0 Great for High Performance DSLRs and HD Camcorders Professional speed for capturing more shots in continuous burst mode Enhanced performance with Power Core controller technology engineered to distribute data rapidly and efficiently Life Time Warranty Extreme Speed Class 10