Original Sandisk Extreme Pro Micro SD Card up to 170MB/s A2 V30 U3 64GB 128GB Sandisk TF Card Memory Card With SD Adapter
About capacity:
16GB=approximately 14GB-15GB
32GB=approximately 28GB-30GB
64GB=approximately 58GB-59GB
128GB=approximately 119GB-120GB
This is calculation difference between manufacturer and our PC, please Google 'Memory card capacity' to get more information.
Understanding speed classes
The SD card association defines card speeds using two terms: Speed Class and UHS Speed Class.
Speed class is the original rating used and the number defines the card speed; 4 for 4MB/s, 6 for 6MB/s. 10 for 10MB/s etc.
UHS (Ultra High Speed) uses minimum write speeds to differentiate the cards; UHS-I Speed Class 1 has a minimum write speed of 10MB/s while UHS-I Speed Class 3 has a minimum write speed of 30MB/s.
Speed based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 byte
Please don't use cheap card reader to test Micro SD card, speed of Micro SD card will be affected by low quality card reader.
About Package:
Original sandisk Card *1
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