For Valued Customers:
About writing and reading speed ( USB 3.0 reader Test Result) :
8GB U1 Class10 speed == Above 10 MB/s = SDHC
16GB U1 Class10 speed == Max Read speed to 48 MB/s = SDHC
32GB U1 Class10 speed == Max Rread speed to 60 MB/s = SDHC
64GB U3 Class10 speed == Max Rread speed to 80 MB/s = SDXC
128GB U3 Class10 speed == Max Rread speed to 80 MB/s = SDXC
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.
Ask the buyer to test in the highest possible way. Use a USB 3.0 card reader.
And the USB3.0 port for the computer.
(please don’t use USB 2.0 card reader to test our card speed, we have high-quality USB 3.0 card reader meet this standard you can buy our card reader .)
This is calculation difference between manufacturer and our PC, please Google ‘Memory card capacity’ to get more information.
1 x High-speed memory card
1 x SD adapter
1 x Retail package
Please use a quality card reader to verify all memory card by H2testw on PC
Please don’t use a cheap card reader to test Micro SD card, speed of Micro SD card will be reduced by low-quality card reader
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.