Designed for photographers and digital media professionals, the PRO Ultimate UHS-I microSDXC Card from Samsung features a storage capacity of 128GB and takes advantage of the UHS-I bus to support read speeds up to 200 MB/s and write speeds up to 130 MB/s. Its V30/U3 class rating guarantees write speeds won't drop below 30 MB/s, making it suitable for 4K, Full HD, and 3D video, as well as raw and JPEG captures, plus rapid shutter bursts.