Camera SD Card

About writing and reading speed ( USB 3.0 reader Test Result):

128GB U3 Class10 speed == Max Rread speed to 80 MB/s

256GB U3 Class10 speed == Max Rread speed to 80 MB/s

The above test data are based on the (ATTO Disk Benchmark) test results.

The actual test speed should be based on the level of the card reader or computer excuse.

And the USB3.0 port for the computer.

The most reliable software to verify memory card is H2testw

*Micro SD card speed is greatly affected by card reader, adapter, USB port etc. Low quality device will 100% slow down card speed.

*Up to 40MB/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.