Samsung 64GB PRO Class 10 Micro SDXC up to 90MB/s with Adapter (MB-MG64DA/AM) Up to 90MB/s Read Speed, 80MB/s Write Speed. Ultra-fast:Capture Video and Photos 4x Faster than Typical Memory Cards, and Transfer up to 660 Photos/Minute. Extra Powerful: Maximize the Storage Capacity of your Advanced Devices and Store Everything from Photos & Songs to HD Video Built to Last: Waterproof, Temperature Proof, X-ray Proof and Magnetic Proof. Your Photos, Videos & More Stay Safe and Protected UHS-1, compatible to HS interface.