The 4000 Series Modular Router System from Cisco

The 4000 Series offers a broader set of connectivity features and a more powerful internetworking software set than any other modular router system in the market. The modularity of the 4000 Series offers connectivity choices migration paths that protect legacy system investments as network needs evolve.

Our routers come upgradeable and compatible through a common and flexible software platform which allows you to buy used Cisco equipment and keep it in today's technology. Worldwide Supply carries large selections of refurbished, surplus and used networking equipment that are sold under warranty at affordable prices.

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