The HP 489184-B21 is a high-performance 4X Quad Data Rate (QDR) InfiniBand Blade Switch designed for HP BladeSystem c-Class enclosures. This switch delivers a bandwidth of 40 Gbps per port, making it suitable for high-performance computing (HPC), large-scale database clusters, and demanding enterprise applications that require high bandwidth and low latency connections between nodes. It supports up to 16 internal and 8 external ports, enabling a scalable and flexible network topology. The switch is managed through an intuitive graphical user interface or command-line interface, offering advanced features such as adaptive routing, congestion control, and Quality of Service (QoS). It also includes built-in redundancy and failover capabilities ensuring high availability and reliability of critical network services.