With a speed rating of C10/U3/V30, this card guarantees incredibly fast data writing and reading, making it ideal for 4K video recording, storing large files and performing multiple tasks simultaneously. With a read speed of 95 MB/s and a write speed of 38 MB/s, you can enjoy smooth operation of your devices. Plus, with versatile compatibility with camcorders, phones, laptops, game consoles and other devices, it's an invaluable addition. Its reliability, large capacity and impressive speed make it an ideal choice for those who want the best quality and performance in data storage. Producer IMOU Model ST2-128-S1 Memory 128 GB Speed class C10/U3/V30 Read speed 95 MB/s Write speed 38 MB/s NAND flash memory 3D LTC P/E cycle 500-1000 Dimensions 15 × 11 × 1 mm Operating temperature 0°C~70°C Working humidity 5%~95%RH Compatibility Cameras, phones, laptops, game consoles, etc.