Buy the SanDisk Ultra MicroSD Class 10 80MB/s outright and unlocked from amaysim today. SanDisk Ultra MicroSD Class 10 80MB/s is a top quality card that can be used to increase your device storage capacity. It enables you to transfer data at the speed of 80MB per second which is more than usual on memory cards. The card comes with support for MicroSD card slots for devices, such as cameras, camcorders and laptops. This water and shockproof card also features Class 10 video rating for high quality video recording without dropouts and shuttering.