HPE 877691-B21 

841QSFP28 InfiniBand EDR 2-Port Network Adapter

The HPE 877691-B21 841QSFP28 InfiniBand Adapter delivers ultra-high-speed, low-latency connectivity for compute-intensive workloads, making it ideal for high-performance computing (HPC), artificial intelligence, and large-scale data analytics environments. With dual QSFP28 ports supporting 100Gb/s EDR InfiniBand speeds, this network interface card is engineered to maximize interconnect performance in clustered server configurations. It leverages the power of Mellanox ConnectX-4 architecture to accelerate application performance, reduce bottlenecks, and enhance server communication across dense workloads and massive datasets.

Features

Engineered for demanding data center and HPC deployments, the 877691-B21 provides an exceptional combination of bandwidth, efficiency, and low latency. It supports PCIe Gen3 x16 host connectivity to ensure the full utilization of EDR speeds. This dual-port card enables efficient RDMA communication, offloading CPU-intensive tasks, and freeing server resources for computation. The InfiniBand protocol stack offers highly deterministic, low-latency transport, ideal for tightly coupled applications such as scientific simulations and distributed AI workloads. Its QSFP28 ports provide direct, high-speed connectivity to switches and other compute nodes, ensuring consistent performance in scalable configurations.

Advanced Options

The HPE 841QSFP28 EDR InfiniBand Adapter is purpose-built to meet the performance needs of next-generation HPC environments. Supporting 100Gb/s per port over QSFP28 connections, this adapter ensures ultra-low-latency, high-throughput communication between compute nodes. It features advanced RDMA technologies, offload capabilities, and congestion control to deliver predictable,