HPE 778509-B21

InfiniBand FDR/Ethernet Dual-Port QSFP+ Adapter 

The HPE 778509-B21 is a versatile dual-port Network Adapter based on the Mellanox ConnectX-3 Pro platform, offering both InfiniBand FDR (56 Gbps per port) and 10/40 GbE Ethernet connectivity via QSFP+ interfaces. This adapter is ideal for data centers and HPC environments that require ultra-low latency and high network throughput, serving seamlessly in server clustering, storage networks, or mixed-protocol fabric configurations. Its compact PCIe 3.0 x8 form factor ensures broad compatibility with HPE ProLiant and Apollo servers, offering enterprise-grade performance with flexibility for various networking needs

Features

Designed for performance-driven compute environments, the HPE 778509-B21 delivers exceptional bandwidth through its dual QSFP+ ports, supporting up to 56 Gbps InfiniBand FDR or Ethernet at 10/40 Gbps speeds depending on configuration. Thanks to Mellanox ConnectX-3 Pro technology, administrators can toggle between protocols or even run hybrid deployments with mixed-mode traffic over the same adapter The adapter leverages the proven ConnectX-3 Pro platform, delivering proven stability under sustained load. Its PCIe 3.0 x8 interface ensures bandwidth is not a bottleneck, and built-in firmware enables seamless switching between InfiniBand and Ethernet as needed 

Advanced Options

The PCIe 3.0 x8 interface enables ample data throughput, and its compatibility with HPE ProLiant and Apollo server lines ensures seamless deployment into existing infrastructure Engineered for demanding environments, the HPE 778509-B21 offers reliable and flexible high-performance networking functionality. Its dual QSFP+ ports facilitate robust throughput—up to 56 Gbps with InfiniBand or 10/40 GbE Ethernet—making it suitable for both HPC compute clusters and high-speed Ethernet fabrics