Kingston 128GB SDXC Canvas Go Plus 170MB/s Read SD Memory Card is a high-performance SD card that offers read speeds of up to 170MB/s and write speeds of up to 90MB/s. It is ideal for capturing 4K Ultra HD videos and high-resolution photos. It is also U3 and V30 rated, which means that it can be used for recording smooth, uninterrupted 4K Ultra HD videos. It is a good choice for users who need a high-performance SD card for capturing 4K Ultra HD videos and high-resolution photos. It is also a good choice for users who want a card that is durable and reliable. Specifications: Capacity: 128GB, Standard/Class: Class 10, UHS-I, U3, V30, Performance: 170/90MB/s Read/Write, Format: exFAT, Operating Temperatures: -25 degrees Celsius to 85 degrees Celsius, Storage Temperatures: -40 degrees Celsius to 85 degrees Celsius, Voltage: 3.3V.