Siemens SIMATIC PC memory expansion, 6ES7791-0DN00-0XA0, 8 MB (2 x 4 MB HD) for RI25/45 Pentium systems, lifecycle stage mature.
The 6ES7791-0DN00-0XA0 is a SIMATIC PC memory expansion module for RI25/45 Pentium systems, providing 8 MB of memory arranged as two 4 MB high-density modules.
A parametric search for 8 MB SIMM modules compatible with the RI25/45 backplane would be the practical next step.
It provides 8 MB of memory, arranged as two 4 MB high-density modules, designed for SIMATIC PC RI25/45 Pentium systems.
Since it is a mature product, sourcing requires an RFQ to check availability from surplus or broker channels. No standard lead time applies.
Alternative models and sibling configurations in the same Siemens series. For obsolete or discontinued parts, these models can serve as compatible replacements or functional alternatives for plant maintenance.
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