Compliant with RoHS 2.0 standards Electrostatic protection (ESD IEC 61000-4-2) Compliant with SD specification 5.1 Compliant with UHS-I Compliant with Speed Class 10 Compliant with Application Performance Class 1 (A1) Endurance: 3K P/E cycles (Program/Erase cycles) guaranteed Utilizing top-quality 3D NAND Flash and rated to endure 3K P/E cycles, Transcend's microSDXC/SDHC 420T memory cards combine the advantages of high performance and exceptional endurance at an affordable price. They are ideal for write-intensive applications such as medical devices, surveillance systems, and POS terminals, and are compatible with Raspberry Pi products. Memory Internal memory type 3D NAND UHS Speed Class Class 1 (U1) Flash memory class Class 10 Flash card type MicroSDHC Capacity 16 GB Features Certification CE, FCC, UKCA Product colour Black Power Memory voltage 2.7,2.8,3.3,3.6 V Operational conditions Vibration resistance 20 G Operating relative humidity (H-H) 0 - 95% Storage temperature (T-T) -40 -