Description
H3C S6520X Switch Series
A lineup of high-density 10GE Layer 3 switches designed for enterprise and campus network aggregation. The series spans three tiers — SI, EI, and HI — to match different performance requirements and architectural needs, from wire-speed 10GE forwarding to advanced high-availability aggregation.
Series Tiers
SI, EI, and HI — three levels of capability
Forwarding
Wire-speed 10GE forwarding across the lineup
Uplink Options
Onboard QSFP28/QSFP+ up to 100GE (EI tier)
High Availability
M-LAG support for virtualized dual-device architecture (HI tier)
Series Overview
S6520X-SI
Offers wire-speed 10GE forwarding with flexible expansion, plus multi-gigabit options supporting high-power PoE up to 90W on select ports.
S6520X-EI
Provides robust high-density 10GE connectivity with onboard QSFP28/QSFP+ ports and dual expansion slots supporting up to 11 module types, from GE to 100GE.
S6520X-HI
Delivers advanced enterprise features including Multichassis Link Aggregation Group (M-LAG) support, virtualizing physical devices into a single logical architecture for high availability.
Why Wire-Speed 10GE Matters
According to H3C's own product documentation, the S6520X-SI series is built around high-density 10GE forwarding with the ability to scale up 10GE port counts as needed, all while maintaining wire-speed performance — making it a fit for aggregation layers that need headroom to grow without a forwarding bottleneck.
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