Siemens - 6ES79538LM310AA0 - Micro Memory Card, Simatic For S7-300/C7/ET 200, 3.3 V NFlash, 4MB S7-300 Series - Allied Electronics & Automation, part of RS Group
SIEMENS - 6ES7954-8LC02-0AA0 - Memory Card 4MB | In Stock!
Which memory cards can you use with an S7-300 CPU? - ID: 19102565 - Industry Support Siemens