HPE InfiniBand EDR 100Gb 1-Port QSFP28 Adapter 872725-B21

BRAND NEW. FACTORY SEALED. RETAIL BOXED. FULL HPE WARRANTY INCLUDED. AVAILABLE FROM CHICAGO COMPUTER SUPPLY.

Overview

High-performance computing (HPC) and data-intensive workloads require ultra-low latency and extremely high bandwidth. Standard Ethernet solutions often fall short in these environments.

The HPE 872725-B21 InfiniBand EDR 100Gb Adapter is designed for HPE ProLiant servers, delivering up to 100Gbps bandwidth with ultra-low latency. Built on Mellanox ConnectX-5 technology, it enables high-speed data transfer and efficient processing for demanding workloads such as HPC clusters, AI, and large-scale storage systems.

Key Features

• 1 × QSFP28 port supporting 100Gb InfiniBand EDR
• Based on Mellanox ConnectX-5 technology
• Ultra-low latency (sub-microsecond performance)
• PCIe Gen3 x16 interface for high throughput
• Advanced offload engines to reduce CPU overhead
• Supports MPI acceleration and adaptive routing
• Optimized for HPC, AI, and data center workloads
• High-bandwidth, low-latency communication

Technical Specifications

Brand: HPE
Model: InfiniBand EDR Adapter
Part Number: 872725-B21
Product Type: Network Adapter

Device Type

InfiniBand Host Bus Adapter (HBA)

Ports

1 × QSFP28

Network Technology

InfiniBand EDR (100Gbps)

Data Transfer Rate

Up to 100 Gbps

Interface

PCIe Gen3 x16

Controller

Mellanox ConnectX-5

Protocol Support

IBTA 1.3 compliant

Connectivity

Wired

Application

• High Performance Computing (HPC)
• AI / Machine Learning
• Data center clustering
• Storage networking

Compatibility

• HPE ProLiant DL Gen9 / Gen10 Servers
• HPE ProLiant XL Series Servers

Features

• MPI offload support
• Adaptive routing
• Low CPU utilization
• High throughput performance

Use Cases

The HPE 872725-B21 adapter is used in HPC clusters, AI training environments, and large-scale data centers. It enables fast node-to-node communication, making it ideal for parallel computing, distributed storage, and performance-critical workloads.

Why Choose HPE 872725-B21

• Delivers ultra-low latency for performance-critical workloads
• Provides 100Gbps high-bandwidth connectivity
• Optimized for HPC and AI environments
• Reduces CPU overhead with hardware offloads
• Built on proven Mellanox ConnectX-5 technology
• Designed for seamless integration with HPE servers
• Reliable enterprise-grade performance
• Brand new hardware backed by a full HPE warranty

FAQs

What is the HPE 872725-B21 adapter used for?
It is used for high-speed InfiniBand connectivity in HPC and data center environments.

What speed does it support?
It supports up to 100Gbps InfiniBand EDR.

Is this an Ethernet adapter?
No. This specific model is InfiniBand-only (841QSFP28 variant).

Which servers is it compatible with?
It is designed for HPE ProLiant Gen9 and Gen10 servers.

What connector does it use?
It uses a QSFP28 port.

Does it reduce CPU usage?
Yes. It includes offload engines to improve performance and efficiency.