SanDisk 64GB Extreme PRO MicroSDXC UHS-I Memory Card with SD Adaptor – 170MB/s – SDSQXCY-064G-GN6MA – Limited Product Lifetime Warranty Manufacturer Warranty: Limited Product Lifetime Warranty Rating: 4.3 stars – 1701 reviews Save time transferring content Write speeds of up to 90MB/S Great for capturing 4K UHD video Load apps faster with A2 Durable design for use in extreme environments Get extreme speeds for fast transfer, app performance, and 4K UHD.?Ideal for your Android?smartphone, action cameras or drones, this high-performance microSD?card does 4K UHD video recording, Full HD video and high-resolution photos. With up to 400GB, the super-fast SanDisk Extreme?PRO microSDXC?UHS-I memory card reads up to 170MB/s?and writes up to 90MB/s. Plus, it?s A2-rated, so you can get fast application performance for an exceptional smartphone experience.