The SanDisk Extreme microSDXC Card optimizes performance for timesaving media offloads with quick read rates of up to 190MB/s thanks to SanDisk QuickFlow Technology (64GB - 1TB). With write speeds of up to 130MB/s, you may capture fast-action photographs or shoot 4K UHD video. You can shoot more often and faster with the SanDisk Extreme microSDXC UHS-I Card. Ideal for capturing outdoor adventures or weekend getaways without sacrificing detail. With a storage capacity of up to 1TB, the SanDisk Extreme microSD Card captures uninterrupted 4K UHD and Full HD video thanks to its UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) ratings. The A2 Specification of the SanDisk Extreme microSD card allows for faster app performance for a better smartphone experience. SanDisk Extreme microSDXC UHS-I Card is shockproof, temperature-proof, waterproof, and X-ray-proof, allowing you to enjoy your adventures without worrying about your memory card's endurance.