3900 Router Memory & Flash

Cisco 3900 routers come with various memory components to support their operations. The key memory elements in a Cisco 3900 router are:

  1. System Memory (DRAM): The system memory, or DRAM (Dynamic Random-Access Memory), is responsible for running the router's operating system (Cisco IOS) and storing temporary data during router operation. The amount of system memory in a Cisco 3900 router can vary depending on the specific model and configuration.

  2. Flash Memory: Flash memory is used to store the router's operating system (Cisco IOS) image, configuration files, and other system files. It provides non-volatile storage, meaning the data is retained even when the power is turned off. Cisco 3900 routers typically have built-in flash memory, and the capacity can vary based on the router model.

  3. NVRAM: NVRAM (Non-Volatile Random-Access Memory) is used to store the router's startup configuration, which includes the initial settings and parameters. NVRAM retains its contents even when the power is turned off or the router is restarted.

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  1. MEM-3900-1GU4GB
    was $1,200.00 Special Price $500.00
  2. MEM-3900-1GU2GB
    was $900.00 Special Price $96.00
  3. MEM-3900-1GB=
    was $690.00 Special Price $300.00
  4. MEM-3900-2GB=
    was $805.00 Special Price $51.00
  5. MEM-3900-512MB=
    was $575.00 Special Price $250.00
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