Internal 10GBase-CX4 expansion slots

516733-B21 Overview

The HPE 516733-B21 is a BladeSystem c-Class switch module designed to provide high-speed 10Gb Ethernet connectivity for server blades. Featuring 1 external 10GBase-CX4 uplink and 8 internal CX4 expansion slots, it ensures efficient bandwidth distribution inside blade infrastructures. Built for low-latency, high-throughput environments, it supports VLANs, QoS, and link aggregation while being managed through SNMP, CLI, or web interfaces. Its modular design leverages enclosure-based power and cooling, making it an efficient choice for scalable enterprise blade deployments.