SanDisk Ultra A1 Microsd Memory Card 256GB 128GB 64GB 32GB 16GB microSDHC/SDXC

About capacity:

16GB = approximately 14GB-15GB
32GB = approximately 28GB-30GB
64GB = approximately 58GB-60GB
128GB = approximately 115GB-120GB
256GB = approximately 224GB-240GB
This is calculation difference between manufacturer and your PC, please Google ‘Memory card capacity’ to get more information.
Your PC says 1GB = 1.073741824 Billion bytes where Market Defines 1GB = 1.00 Billion bytes.

Reading speeds:

– 16GB/32GB MicroSDHC, Class10,A1: up to 98MB/s;
– 64GB/128GB/256GB MicroSDXC, Class10,A1: up to 100MB/s;
Note:
Speed based on internal testing. Actual performance may be lower depending on the device, interface, usage conditions and other factors.

Note:

The actual storage capacity available for each card will be slightly lower than the listed capacity due to storage space requirements for the card’s internal software.
Speed based on internal testing. Actual performance may be lower depending on the device, interface, usage conditions and other factors.