Worldwide$5,000,000+
Inventory Delivered By
R
Ryan Cooper
4
EDR InfiniBand adapter provided massive bandwidth.
872725-B21
Original Stock
Ready to Ship
HP INFINIBAND EDR 100GB 1PORT 841QSFP28 ADAPTER
FEATURED DEAL
Name:
872725-B21
- Description:
- HP INFINIBAND EDR 100GB 1PORT 841QSFP28 ADAPTER
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
TRUSTED, TRIED, PROVEN
Officially Accredited
& Verified By
Next-Gen IT
Solutions Powered By
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.
872725-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 872725-B21 for additional pricing. Browse the full Hpe Network Adapters series or explore all Hpe products.
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 
| 872725-B21 |  867707-B21 |  B9F53A |  700752-B21 |  Q6M15A | |
|---|---|---|---|---|---|
| Product Type | Network Adapter | Network Adapter | Network Adapter | Network Adapter | Network Adapter |
| Adapter Type | Ethernet | Converged | Ethernet | Ethernet | Ethernet |
| Data Rate | 10Gbps | 10Gbps | 1Gbps | 10Gbps | 10Gbps |
| Connection Interface | PCIe | PCIe | PCIe | PCIe | PCIe |
| Supported Protocols | TCP/IP, UDP | TCP/IP, UDP, iSCSI, NFS | TCP/IP, UDP | TCP/IP, UDP, iSCSI, NFS | TCP/IP, UDP |
| Form Factor | Internal PCIe Card | Internal PCIe Card | Internal PCIe Card | Internal PCIe Card | Internal PCIe Card |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Windows, Linux, macOS, VMware, Hyper-V | Windows, Linux, macOS | Windows, Linux, macOS | Windows, Linux, macOS, VMware, Hyper-V | Windows, Linux, macOS |
| Max Speed | 10Gbps | 10Gbps | 1Gbps | 10Gbps | 10Gbps |
| 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 |
| Power Consumption | N/A | 15W | N/A | 15W | 5W |
| Connector Type | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| Maximum Range | N/A | 100 meters | N/A | 100 meters | 100 meters |
| Bus Type | PCIe x4 | PCIe x4 | PCIe x1 | PCIe x4 | PCIe x4 |
| Product Name | 872725-B21 High-Performance Ethernet Network Adapter | 867707-B21 High-Performance Converged Network Adapter | B9F53A High-Performance Ethernet Adapter | 700752-B21 10G Ethernet Network Adapter | Q6M15A 10Gbps PCIe Ethernet Adapter |
| Height | N/A | 1.2 inches | N/A | 1.0 inches | N/A |
| Width | N/A | 3.4 inches | N/A | 4.7 inches | N/A |
| Depth | N/A | 0.5 inches | N/A | 1.5 inches | N/A |
| Weight | N/A | 0.8 lbs | N/A | 1.2 lbs | N/A |
Reviews & Ratings
S
Sami Ullah
4
Ideal for HPC environments.
V
Victor Chen
4
Very low latency performance.
Z
Zubair Ahmed
5
Rock solid under compute loads.
F
Florian Meier
4
Excellent high-speed interconnect.
Questions & Answers
What is the HP InfiniBand EDR 100Gb 1-port 841QSFP28 Adapter (SKU: 872725-B21)?
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.
Which interface does the HP InfiniBand EDR 100Gb adapter use?
It uses a PCI Express 3.0 x16 host interface to provide maximum bandwidth and low CPU overhead.
What data transfer speeds does the adapter support?
The adapter supports InfiniBand EDR speeds up to 100 Gb/s bidirectionally, enabling ultra-low-latency and high-throughput connectivity.
What connector type and cable standards are supported?
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.