Samsung MicroSDHC 64GB PRO Memory Card MB-MG64DA/BBY Ultra-fast: Capture Video and Photos 4x Faster than Typical Memory Cards, and Transfer up to 660 Photos/Minute Up to 90MB/s read speed, 50MB/s write speed Maximize the Storage Capacity of your Advanced Devices and Store Everything from Photos & Songs to HD Video Waterproof, Temperature Proof, X-ray Proof and Magnetic Proof. Your Photos, Videos & More Stay Safe and Protected