With astonishing performance and reliability, Evo Plus lets you save and treasure the richness of life. Up to 100 MB/s read and 90 MB/s write speed with class 10 and U3 compatibility; includes full-size SD adapter. With the Samsung EVO Plus Micro SD Card, you can shoot rich and detailed 4K UHD videos from your smartphone, tablet, or camera and be confident that each memory will be safe. The included adapter ensures that the Evo Plus is compatible with a wide range of SD and Micro SD devices. Backed by 4-proof protection, the Evo Plus can withstand up to 72 hours in seawater, extreme temperatures, airport X-ray machines and magnetic fields equivalent to an MRI scanner. Specification Model Number: MB-MC256HA/EU Capacity: 256 GB Type: microSDXC card Speed class: Class 10, UHS-I, UHS-Class 3 Read speed: 100 MB/s Write speed: 90 MB/s SD adapter included Box Contents 1 x Samsung 256GB Evo Plus Micro Sd Card + Adapter