- MacBookPro 2019 16inch i9
- Ugreen USB-C adapter
- SD Card Formatter 5.0.1
- FAT32 formated all cards using ridgecrop piece of software 8192 Fille Allocation Unit
- Tested using h2testw_1.4.zip
- Toshiba 40MB/s SDHC U1 16GB
Writing speed: 12.4 MByte/s
Reading speed: 39.0 MByte/s
- Toshiba Exceria SDHC U1 16GB
Writing speed: 12.7 MByte/s
Reading speed: 74.4 MByte/s
- Verbatim SDHC U1 16GB
Writing speed: 10.2 MByte/s
Reading speed: 74.1 MByte/s