SIMATIC S7, memory cards for S7-1x00/SINAMICS processor, 3, 3V Flash, 12 MB. The SIMATIC S7-1200 basic controller is flexible with various communication options and the SIMATIC S7-1500 advanced controller is our fastest controller for automation. For the SIMATIC S7-1200/S7-1500 family, SIMATIC memory cards are available as optional or required accessories in various sizes.