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![Cisco 4000-M 3-Slot Modular Router, 40MHz Processor, Supports 32MB DRAM, 8MB Flash Memory, 4MB Shared Memory Cisco 4000-M 3-Slot Modular Router, 40MHz Processor, Supports 32MB DRAM, 8MB Flash Memory, 4MB Shared Memory](https://www.hardwarejet.com/image/cache/cisco/4000-m-900x900.jpg)