Cisco MEM2600XM-64D enterprise networking (router/Catalyst switch/UCS families) Telecom System Card / Module

The Cisco MEM2600XM-64D is a 64MB DRAM DIMM memory module for the Cisco 2600XM series router. Adding DRAM increases the working memory available to the router’s IOS image, routing tables and interface buffers, which the 2600XM’s base memory configuration often needs supplementing to support larger IOS feature sets or additional WAN/voice interface cards.

The 2600XM was the enhanced-performance revision of Cisco’s popular 2600-series modular access router, widely deployed in branch-office and small-site roles through the 2000s, and estates still running that hardware continue to need memory of this exact specification when upgrading IOS or adding modules. Genuine memory matters here because a faulty or incompatible DIMM can prevent the router booting at all. Tech-Star is UK-based, ships worldwide and can confirm exact compatibility with your specific 2600XM model on request.