HP 615679-B21 Voltaire InfiniBand QDR 144-Ports Switch Chassis

Product Description

The HP 615679-B21, part of the Voltaire InfiniBand product line, is a high-performance 144-port InfiniBand QDR switch chassis. This switch is engineered for the most demanding high-performance computing (HPC) and data-intensive environments where ultra-low latency and massive bandwidth are paramount. InfiniBand technology is specifically designed for interconnecting compute clusters, offering superior performance compared to traditional Ethernet for parallel processing and large-scale data movement. With 144 Quad Data Rate (QDR) InfiniBand ports, each operating at a blistering 40 Gbps, this chassis provides the aggregate bandwidth required for complex simulations, large-scale data analytics, and high-frequency trading platforms. The sub-microsecond latency ensures that communication between nodes is nearly instantaneous, which is critical for tightly coupled parallel applications where even small delays can significantly impact overall job completion times. The switch utilizes a Fat Tree topology, a highly efficient and scalable fabric design that ensures high bisection bandwidth and minimizes congestion. The modular chassis design allows for flexibility in configuration and future expansion, accommodating growing cluster sizes and performance needs. It incorporates advanced features such as adaptive routing, congestion control, and Quality of Service (QoS) mechanisms to optimize traffic flow and ensure predictable performance. The 615679-B21 supports virtual Fabric Isolation (VFI), enabling the creation of multiple isolated logical fabrics within a single physical infrastructure, enhancing security and manageability for diverse workloads. This switch is a cornerstone for building cutting-edge HPC clusters.