Differences between a SD card and a TF card October 23, 2020SD card is much larger than the TF card. TF card (full name TransFlash) is currently the smallest memory card of independent products. There is an interface under the SD card sleeve, and...
What is U1 and U3 micro SD card? July 23, 2020Both U1 and U3 are graded for reading and writing speed of TF or micro SD cards, and the two are mainly different in reading and writing speed and compatibility.