Amazon.com: Premium 128GB SDXC Card by Micro Center, Class 10 SD Flash Memory Card UHS-I C10 U3 V30 4K UHD Video R/W Speed up to 80/60 MB/s for Camera Computer Trail Dash
How to interface an SD card with Arduino
Micro SD Cards - A Complete Guide | RS
SD card - Wikipedia
New SD card specs tout 128TB max, up to almost 1GB per sec - CNET