S7-300 6ES7953-8LL31-0AA0 S7 Micro Memory Card, 2MB S7-1200S7-1500 6ES7954-8LF03-0AA0 SIMATIC S7 Memory Card, 24 MB S7-300 6ES7953-8LG31-0AA0 S7 Micro Memory Card, 128KB, S7-300 6ES7953-8LF31-0AA0 S7 Micro Memory Card, 64KB S7-1200S7-1500 6ES7954-8LC03-0AA0 SIMATIC S7 Memory Card, 4 MB S7-300 6ES7953-8LM31-0AA0 S7 Micro Memory Card, 4MB S7-300 6ES7953-8LG30-0AA0 S7 MICRO MEMORY CARD, 128KB,
