SANDISK is a manufacturer of memory cards. They make microSD, CF, and SD memory cards for cameras, video cameras, smartphones, action cameras, tablets, and other products. SANDISK memory cards are available from 8 to over 200GB. If you want to store all your photos or videos on 1 card, choose an SD card of 128GB or higher. When recording in 4K quality, choose an SD card with faster maximum read speed. Make the right choice based on your usage situation. You can find the entire SANDISK memory cards assortment on this page.