Sandisk Ultra 64 GB Microsdxc Memory Card + SD Adapter -Red/

1MB=1,000,000 bytes. 1GB=1,000,000,000 bytes. 1TB=1,000,000,000,000 bytes. Actual user storage less. ** [for 32GB-1TB] Up to 120MB/s read speed, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speed. Write speeds lower. Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes. ** [for 16GB] Up to 98MB/s read speed; write speed lower. Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes.