All-Flash Storage Array An all-flash array is a solid state storage disk system that contains multiple flash memorydrives instead of spinning hard disk drives. Flash memory, which has no moving parts, is a type of nonvolatile memory that can be erased and reprogrammed in units of memory called blocks. It is a variation of erasable programmable read-only memory (EEPROM) which got its name because the memory blocks can be erased in a single action or "flash." A flash array can transfer data ...