Cisco RD-5820SL-40G-D Alteon D-5820SL Deliver 40G | Enterprise Networking — RD-5820SL-40G-D

Deliver 40G performance with Cisco Alteon D-5820SL, a product positioned for network environments where throughput matters. For teams responsible for service delivery, the value is in matching capacity to demand without overbuying or under-specifying the platform. That balance is critical when traffic growth, application response, and infrastructure planning all converge. This model is suited to organizations that need a clear step up in delivery capacity for demanding network paths. Whether the goal is to support heavier traffic loads, improve headroom for peak periods, or align hardware with a higher-performance architecture, the 40G designation signals a focus on throughput-first deployment planning. For procurement and architecture teams, the appeal is not just the spec itself, but the confidence that comes from selecting a product aligned to a defined performance target. That helps reduce ambiguity during evaluation and supports cleaner comparisons against lower-capacity alternatives. When the network path is critical, the right delivery class matters. Ideal For Supporting high-throughput network paths in enterprise environments Planning capacity for traffic growth and peak demand periods Evaluating a 40G option for performance-sensitive infrastructure Standardizing delivery hardware for demanding service environments Why This Product 1 40G capacity for higher-demand network delivery 2 Better suited to performance planning than lower-speed options 3 Cisco-branded platform for enterprise procurement 4 Clear fit for throughput-focused infrastructure requirements