Yes, the super audio CDs are still sold on the physical as well as online market. These CDs are mostly used to copy and secure big data files. When small size data, files, audio and videos or documents can be stored in USB and other data storage devices, these CDs are of great importance in the corporate world. They are used to write bigger and supreme quality audio and video files or secure heavy document files that need additional space with unique programs to play them on any system.