Siemens AG 570-260-9004.00 Memory Module 4Port

Siemens 570-260-9004.00 Memory Module 4Port is a Sinumerik EPROM memory module from Siemens AG, described in catalogs as “Memory Module 4PORT” and listed as an EPROM-Modul. The part number designates a four-port EPROM memory module intended for use with Siemens Sinumerik CNC control systems. Vendor listings frame it as a replacement memory component for compatible Sinumerik equipment, useful when servicing or upgrading memory within existing CNC controllers and their rack-mounted modules. Across multiple catalogs, the 570-260-9004.00 designation is consistently described as a four-port EPROM memory module, confirming its role as a dedicated memory device within the Siemens Sinumerik ecosystem. Service technicians typically use such replacements to restore memory functionality in legacy Sinumerik configurations, where this module is specified for compatibility with the controller’s memory architecture and backplane slots.