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872725-B21
- Description:
- HP INFINIBAND EDR 100GB 1PORT 841QSFP28 ADAPTER
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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
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Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
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What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
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In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
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30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
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872725-B21 Overview
872725-B21 is a high-performance Ethernet adapter built for data centers, high-speed workstations, and advanced gaming setups. This internal PCIe card delivers a robust 10Gbps data rate via its PCIe interface, ensuring rapid network connectivity and low latency performance while supporting industry-standard protocols such as TCP/IP and UDP for seamless integration with enterprise and consumer environments.
Engineered for reliability and scalability, the 872725-B21 offers features like auto-negotiation, Wake-on-LAN, Jumbo Frames, and QoS to optimize network traffic and performance under varying operational loads. Its design, featuring a standard RJ-45 connector and compatibility with Windows, Linux, macOS, VMware, and Hyper-V, makes it the ideal choice for mission-critical applications in dynamic network setups.
What is the price of 872725-B21?
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872725-B21 Specifications
| Product Type | Network Adapter |
| Adapter Type | Ethernet |
| Data Rate | 10Gbps |
| Connection Interface | PCIe |
| Supported Protocols | TCP/IP, UDP |
| Form Factor | Internal PCIe Card |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Windows, Linux, macOS, VMware, Hyper-V |
| Max Speed | 10Gbps |
| Supported Features | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS |
| Power Consumption | N/A |
| Connector Type | RJ-45 |
| Maximum Range | N/A |
| Bus Type | PCIe x4 |
| Product Name | 872725-B21 High-Performance Ethernet Network Adapter |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
872725-B21 Use Case
HPC Seismic Processing Cluster Interconnect
In an oil & gas exploration firm’s HPC environment, the 872725-B21 HP InfiniBand EDR 100 Gbps 1-port QSFP28 adapter links hundreds of compute nodes for seismic data analysis. By providing sub-microsecond latency and 100 Gbps RDMA throughput, it accelerates FFT and migration workloads by 35%, enabling geoscientists to deliver reservoir insights 2× faster with higher accuracy.
AI/ML Deep Learning Training Fabric
A financial services data center deploys the 872725-B21 adapter across its GPU-accelerated cluster to stream 10 TB+ datasets in real time. Leveraging InfiniBand EDR’s zero-copy RDMA, large-scale model training jobs see a 30% reduction in epoch time, boosting iteration speed and improving predictive accuracy for credit-risk and fraud-detection algorithms.
Ultra-Low-Latency Trading Platform Networking
A global equities trading firm integrates the 872725-B21 HP InfiniBand EDR adapter into its matching-engine servers to process market data feeds and order executions. With deterministic sub-microsecond latency and 100 Gbps bandwidth, the platform achieves a 25% improvement in order-execution speed, delivering a measurable edge in high-frequency trading performance.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Adapter Type | Ethernet | Ethernet | Converged | Ethernet | Ethernet |
| Bus Type | PCIe x4 | PCIe x4 | PCIe x4 | PCIe x4 | PCIe x1 |
| Compatibility | Windows, Linux, macOS, VMware, Hyper-V | Windows, Linux, macOS, VMware, Hyper-V | Windows, Linux, macOS | Windows, Linux, macOS | Windows, Linux, macOS |
| Connection Interface | PCIe | PCIe | PCIe | PCIe | PCIe |
| Connector Type | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| Data Rate | 10Gbps | 10Gbps | 10Gbps | 10Gbps | 1Gbps |
| Depth | 1.5 inches | N/A | 0.5 inches | N/A | N/A |
| Form Factor | Internal PCIe Card | Internal PCIe Card | Internal PCIe Card | Internal PCIe Card | Internal PCIe Card |
| Height | 1.0 inches | N/A | 1.2 inches | N/A | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Speed | 10Gbps | 10Gbps | 10Gbps | 10Gbps | 1Gbps |
| Maximum Range | 100 meters | N/A | 100 meters | 100 meters | N/A |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 15W | N/A | 15W | 5W | N/A |
| Product Name | 700752-B21 10G Ethernet Network Adapter | 872725-B21 High-Performance Ethernet Network Adapter | 867707-B21 High-Performance Converged Network Adapter | Q6M15A 10Gbps PCIe Ethernet Adapter | B9F53A High-Performance Ethernet Adapter |
| Product Type | Network Adapter | Network Adapter | Network Adapter | Network Adapter | Network Adapter |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Features | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS |
| Supported Protocols | TCP/IP, UDP, iSCSI, NFS | TCP/IP, UDP | TCP/IP, UDP, iSCSI, NFS | TCP/IP, UDP | TCP/IP, UDP |
| Weight | 1.2 lbs | N/A | 0.8 lbs | N/A | N/A |
| Width | 4.7 inches | N/A | 3.4 inches | N/A | N/A |
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Questions & Answers
Q
What is the HP InfiniBand EDR 100Gb 1-port 841QSFP28 Adapter (SKU: 872725-B21)?
A
The HP InfiniBand EDR 100Gb 1-port 841QSFP28 Adapter (SKU: 872725-B21) is a high-performance Host Channel Adapter (HCA) that delivers 100 Gb/s bidirectional throughput over a single QSFP28 port for HPC, AI, and data-center applications.
Q
Which interface does the HP InfiniBand EDR 100Gb adapter use?
A
It uses a PCI Express 3.0 x16 host interface to provide maximum bandwidth and low CPU overhead.
Q
What data transfer speeds does the adapter support?
A
The adapter supports InfiniBand EDR speeds up to 100 Gb/s bidirectionally, enabling ultra-low-latency and high-throughput connectivity.
Q
What connector type and cable standards are supported?
A
It features a QSFP28 port compatible with InfiniBand EDR passive copper cables up to 5 m and optical transceivers for distances up to 100 m.
Q
Is the adapter backward compatible with earlier InfiniBand generations?
A
Yes, it is backward compatible with FDR (56 Gb/s) and QDR (40 Gb/s) InfiniBand standards.
Q
Does the adapter support RDMA and RoCE?
A
Yes, the adapter provides native RDMA over InfiniBand and RoCE v1/v2 support for zero-copy, kernel-bypass data transfers.
Q
Which operating systems and drivers are supported?
A
Certified drivers and firmware are available for HPE Linux, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, Microsoft Windows Server, and VMware ESXi.
Q
What is the typical latency of the InfiniBand EDR adapter?
A
The adapter delivers typical end-to-end latency under 1.5 microseconds for small-message transfers.
Q
Can I deploy this adapter in virtualized environments?
A
Yes, it supports SR-IOV and VMware VMDirectPath I/O for direct device assignment in virtualized servers.
Q
What are the power consumption and thermal specifications?
A
Maximum power consumption is 13 W, and the adapter operates in ambient inlet temperatures up to 45 °C.
Q
How do I install the HP InfiniBand EDR adapter?
A
Install it in a PCIe x16 slot, secure the bracket, then deploy the latest drivers and firmware via HPE Service Pack for ProLiant (SPP).
Q
What management and monitoring tools are available?
A
Use HPE OneView and the OpenFabrics Enterprise Distribution (OFED) toolset for comprehensive configuration and performance monitoring.
Q
What warranty coverage does HP provide?
A
The adapter is backed by a one-year limited hardware warranty, with optional extensions via HPE Care Pack services.
Q
What are the typical use cases for this adapter?
A
Ideal use cases include HPC clusters, AI/ML model training, high-performance storage networks, and low-latency database acceleration.
Q
Which HPE servers are validated for this adapter?
A
This adapter is validated on HPE ProLiant DL and ML servers, Apollo systems, Synergy compute modules, and HPE Cray supercomputers.
Q
What form factor and slot requirements does the adapter have?
A
It is a full-height, half-length PCIe card requiring one x16 slot; a low-profile bracket is included for 1U/2U chassis.
Q
Can I mix this adapter with third-party InfiniBand switches?
A
Yes, it interoperates with any InfiniBand EDR-compliant switch or switch module from leading vendors.
