BIWIN MS100-64G microSD3.0 Read & Write Speed up to 100MB/s & 45MB/s BMMS100064G-RGX Series Biwin Category Memory Cards Model Name Biwin MS100 Type microSD Card Interface UHS-I Capacity 32 GB, 64 GB, 128 GB, 256 GB Sequential Read (Up to) 100 MB/s, 100 MB/s, 100 MB/s, 100 MB/s Sequential Write (Up to) /, 30 MB/s, 45 MB/s, 50 MB/s Speed Class C10/U1/V10/A1 (32 GB), C10/U3/V30/A1 (64 GB-256 GB) Dimensions 15.00 x 11.00 x 1.00 mm Weight 0.2 g Operating Temperature 0°C to +70°C Storage Temperature -25°C to +85°C Certifications RoHS, WEEE, FCC, CE, VCCI, RCM, KCC, BSMI Warranty 3-Year Limited