HPE 825111-B21 - HPE InfiniBand EDR/Ethernet 100Gb 2-port 840QSFP28 Adapter
Brand: HPE | Category: Network Adapters & NICs
SKU: HPE-825111-B21 | Part #: 825111-B21 | MPN: 825111-B21
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About the HPE 825111-B21 - HPE InfiniBand EDR/Ethernet 100Gb 2-port 840QSFP28 Adapter
Accelerate low-latency workloads with 100Gb/s throughput and intelligent CPU offload—the HPE 825111-B21 delivers dual-port 100Gb connectivity while offloading checksums, large sends, and receive-side scaling to dedicated engines, freeing processor cycles for application logic. This HPE InfiniBand EDR/Ethernet 100Gb 2-port 840QSFP28 Adapter is built on Mellanox ConnectX-4 silicon and operates as a Host Channel Adapter (HCA) or Network Interface Card (NIC), supporting both native InfiniBand RDMA and RoCE (RDMA over Converged Ethernet) protocols. With a PCIe 3.0 x16 host interface and low-profile form factor, the adapter fits into dense server environments while maintaining full-speed 100Gb/s performance on each of its two QSFP28 ports. The unit meets InfiniBand Architecture Specification EDR (100Gb/s) and IEEE 802.3ba 100GbE standards compliance.
Network engineers and infrastructure architects deploying HPE ProLiant Gen9, ProLiant Gen10, or Synergy systems rely on this adapter to eliminate bottlenecks in HPC, machine learning, and storage-intensive environments. Integrated management through HPE iLO and HPE OneView ensures seamless operational visibility across your fleet. The adapter supports Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, and VMware vSphere, giving your organization flexibility across multiple platforms without sacrificing performance or compatibility.
Organizations standardizing on HPE infrastructure and requiring enterprise-grade 100Gb connectivity should evaluate the HPE InfiniBand EDR/Ethernet 100Gb 2-port 840QSFP28 Adapter (part number 825111-B21) for immediate deployment. Contact Omnixon Global to request a quote and verify stock availability for your datacenter expansion.
Technical Specifications
| Brand | HPE |
| Category | Network Adapters & NICs |
| SKU | HPE-825111-B21 |
| Part Number | 825111-B21 |
| Condition | New |
| Capacity | 100GB |
| Form Factor | PCIe |
| Interface | Ethernet 100 Gb |
| Speed | 100 Gb/s per port |
| Manufacturer Part Number | 825111-B21 |
| Product Name | HPE InfiniBand EDR/Ethernet 100Gb 2-port 840QSFP28 Adapter |
| Protocol Support | InfiniBand EDR, 100GbE (Ethernet) |
| Number of Ports | 2 |
| Port Speed | 100Gb/s per port |
| Connector Type | QSFP28 |
| Host Interface | PCIe 3.0 x16 |
| Silicon | Mellanox ConnectX-4 |
| RDMA Support | RoCE (RDMA over Converged Ethernet), native InfiniBand RDMA |
| Offload Engines | Checksum offload, Large Send Offload (LSO), Receive Side Scaling (RSS) |
| Form Factor | Low-profile PCIe adapter |
| Operating System Support | Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware vSphere |
| HPE Server Compatibility | HPE ProLiant Gen9, HPE ProLiant Gen10, HPE Synergy |
| Management Integration | HPE iLO, HPE OneView |
| Standards Compliance | InfiniBand Architecture Specification EDR (100Gb/s), IEEE 802.3ba 100GbE |
| Product Type | Host Channel Adapter (HCA) / Network Interface Card (NIC) |
Frequently Asked Questions about HPE 825111-B21 - HPE InfiniBand EDR/Ethernet 100Gb 2-port 840QSFP28 Adapter
What does the HPE 825111-B21 - HPE InfiniBand EDR/Ethernet 100Gb 2-port 840QSFP28 Adapter do?
The HPE 825111-B21 - HPE InfiniBand EDR/Ethernet 100Gb 2-port 840QSFP28 Adapter is enterprise networking hardware for data-center, campus, and branch deployments. Common roles include core/distribution switching, server uplinks, top-of-rack fabric, and edge connectivity in mixed Cisco/Juniper/Arista environments.
What are the headline specs of the HPE 825111-B21 - HPE InfiniBand EDR/Ethernet 100Gb 2-port 840QSFP28 Adapter?
Key specifications for the HPE 825111-B21 - HPE InfiniBand EDR/Ethernet 100Gb 2-port 840QSFP28 Adapter: form factor PCIe; interface Ethernet 100 Gb; 1 year manufacturer support; new condition. Manufacturer part number 825111-B21. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.
Is the HPE 825111-B21 - HPE InfiniBand EDR/Ethernet 100Gb 2-port 840QSFP28 Adapter compatible with my infrastructure?
The HPE 825111-B21 - HPE InfiniBand EDR/Ethernet 100Gb 2-port 840QSFP28 Adapter interoperates with standard switching protocols (LACP, MLAG/VPC, 802.1Q, OSPF/BGP). For specific cross-vendor scenarios — Cisco-to-Arista MLAG peering, fabric integration with Cumulus/SONiC, or migration from legacy Catalyst — our network engineers map a compatibility plan as part of the RFQ.