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Siemens 6ES7791-0DN00-0XA0 — Industrial PCs

6ES7791-0DN00-0XA0 SIMATIC PC Memory Expansion, 8 MB

MPN6ES7791-0DN00-0XA0

Siemens SIMATIC PC memory expansion, 6ES7791-0DN00-0XA0, 8 MB (2 x 4 MB HD) for RI25/45 Pentium systems, lifecycle stage mature.

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Product details

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.

Sourcing reality

A parametric search for 8 MB SIMM modules compatible with the RI25/45 backplane would be the practical next step.

Frequently asked questions

What is the memory configuration of this module?

It provides 8 MB of memory, arranged as two 4 MB high-density modules, designed for SIMATIC PC RI25/45 Pentium systems.

How do I source this part?

Since it is a mature product, sourcing requires an RFQ to check availability from surplus or broker channels. No standard lead time applies.

MPN
6ES7791-0DN00-0XA0