FAQ_MA35D1_SD Card Speed Issue

[ytliu6]

Why the SD card speed is lower than expected?
The SD card speed not only depend on SD clock but also depend on SD card itself

FAQ_MA35D1_SD Card Speed Issue.png (178.46 KiB) Viewed 3831 times

See the U3 on the SD card

U3 means UHS(Ultra High Speed) class 3 and the lowest write speed is 30 MB/s
The other SD define could be search on the internet

#MA35D1 #SD #Speed