Samsung GALAXY S3 & Note II are compatible with Samsung's UHS 64GB microSD cards
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Samsung will release its New microSD cards line-up with the latest 20nm technology next Month, The New Cards will have an incredible 70 Mb/s write speed and 10 Mb/s read speed with a 64GB of storage.
These New cards acts as SSDs (Solid State Drives) which boost the performance of any compatible smartphone 2x faster its regular speed.
According to the datasheet of the UHS-1 Extreme Ultra High Speed microSD card, the Samsung GALAXY S3 and GALAXY Note II is Compatible with this 64GB microSD UHS card and can run without any problems. For More info about the prices and Availability check our Review Here.