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817710-B21
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- HPE Eth 10/25Gb 631FLR-SFP28 FIO Adptr
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If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
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817710-B21
HPE Eth 10/25Gb 631FLR-SFP28 FIO Adptr
$465.36
$251.29
17 in Global Warehouse
$251.29
46% off
TRUSTED, TRIED, PROVEN
817710-B21 Overview
817710-B21 is a USB-to-Ethernet adapter that delivers a data rate of 10Gbps over a USB 3.0 connection. This device supports key protocols including TCP/IP, UDP, and NFS and is fully compatible with Windows, Linux, and macOS. Designed as an external USB device, it is engineered for high-speed workstations and gaming systems requiring robust and reliable wired connectivity.
Featuring a compact form factor with an RJ-45 connector, the 817710-B21 excels in environments ranging from small office networks to data centers. It offers advanced features such as auto-negotiation, Wake-on-LAN, Jumbo Frames, and QoS, while operating efficiently within a temperature range of 0 to 70°C. Its ease of integration via USB 3.0 ensures seamless performance where speed and reliability are paramount.
What is the price of 817710-B21?
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817710-B21 Specifications
| Product Type | Network Adapter |
| Adapter Type | USB-to-Ethernet |
| Data Rate | 10Gbps |
| Connection Interface | USB 3.0 |
| Supported Protocols | TCP/IP / UDP / NFS |
| Form Factor | External USB Device |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 5V |
| Compatibility | Windows / Linux / macOS |
| Max Speed | 10Gbps |
| Supported Features | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS |
| Power Consumption | 5W |
| Connector Type | RJ-45 |
| Maximum Range | 100 meters |
| Bus Type | USB 3.0 |
| Product Name | 817710-B21 USB-to-Ethernet Adapter |
| Height | 0.5 inches |
| Width | 2.0 inches |
| Depth | 1.5 inches |
| Weight | 0.2 lbs |
817710-B21 Use Case
25GbE Virtualization Acceleration in Enterprise Data Centers
In a global enterprise running hundreds of VMware ESXi hosts, the 817710-B21 HPE Eth 10/25Gb 631FLR-SFP28 FIO Adptr delivers line-rate 25Gb connectivity for virtualized workloads. By leveraging hardware-based traffic shaping and TCP/IP offloads, IT teams achieve 40% higher VM consolidation ratios and cut CPU utilization by 20%. Outcome: maximized rack density, simplified network management and predictable performance under peak loads.
Low-Latency Trading Network for Financial Services
A financial trading firm implements the 817710-B21 HPE Eth 10/25Gb 631FLR-SFP28 FIO Adptr across its matching engines and market data feed handlers. The adapter’s deterministic latency (<1 µs) and Precision Time Protocol support guarantee sub-microsecond transaction validation. Outcome: accelerated order execution, reduced slippage risk and compliance with industry SLAs for ultra-low-latency trading.
High-Bandwidth NVMe-oF Storage Replication in Data Protection
A cloud service provider deploys the 817710-B21 HPE Eth 10/25Gb 631FLR-SFP28 FIO Adptr to connect NVMe-over-Fabrics clusters for synchronous replication between primary and disaster-recovery locations. With 25Gb capacity and hardware offload for RDMA, replication bandwidth doubles and end-to-end latency remains under 500 µs. Outcome: seamless failover, 99.999% data availability and compliance with RPO/RTO requirements.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Adapter Type | Ethernet | USB-to-Ethernet | USB-to-Ethernet | Ethernet | Ethernet |
| Bus Type | PCIe x4 | USB 3.0 | USB 3.0 | PCIe x4 | PCIe x4 |
| Compatibility | Windows, Linux, macOS, VMware, Hyper-V | Windows, Linux, macOS | Windows / Linux / macOS | Windows, Linux, macOS, VMware, Hyper-V | Windows / Linux / macOS / VMware / Hyper-V |
| Connection Interface | PCIe | USB 3.0 | USB 3.0 | PCIe | PCIe |
| Connector Type | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| Data Rate | 10Gbps | 1Gbps | 10Gbps | 10Gbps | 10Gbps |
| Depth | 0.5 in | N/A | 1.5 inches | N/A | 6 inches |
| Form Factor | Internal PCIe Card | External USB device | External USB Device | Internal PCIe Card | Internal PCIe Card |
| Height | 1.0 in | N/A | 0.5 inches | N/A | 0.5 inches |
| Input Voltage | 3.3V | 5V | 5V | 3.3V | 3.3V |
| Max Speed | 10Gbps | 1Gbps | 10Gbps | 10Gbps | 10Gbps |
| Maximum Range | 100 meters | 100 meters | 100 meters | N/A | 100 meters |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 10W | N/A | 5W | N/A | 5W |
| Product Name | 665243-B21 High Performance 10Gbps Ethernet Adapter | 684208-B21 USB-to-Ethernet Adapter | 817710-B21 USB-to-Ethernet Adapter | 872725-B21 High-Performance Ethernet Network Adapter | 870825-B21 High-Speed Network 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, SMB | TCP/IP, UDP | TCP/IP / UDP / NFS | TCP/IP, UDP | TCP/IP / UDP / iSCSI / NFS |
| Weight | 0.4 lbs | N/A | 0.2 lbs | N/A | 1.2 lbs |
| Width | 4.5 in | N/A | 2.0 inches | N/A | 4 inches |
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Questions & Answers
Q
What is the HPE Eth 10/25Gb 631FLR-SFP28 FIO Adapter (SKU: 817710-B21)?
A
The HPE Eth 10/25Gb 631FLR-SFP28 FIO Adapter (817710-B21) is a FlexibleLOM network controller that delivers high-performance 10GbE and 25GbE connectivity via two SFP28 ports, optimized for ProLiant Gen10 servers.
Q
Which HPE servers are compatible with the 817710-B21 adapter?
A
The 817710-B21 FlexibleLOM adapter is compatible with HPE ProLiant Gen10 and Gen10 Plus rackmount and tower servers equipped with a FlexibleLOM slot.
Q
What network speeds does the HPE Eth 631FLR-SFP28 adapter support?
A
The HPE 631FLR-SFP28 adapter supports auto-negotiation for 10GbE and 25GbE, delivering flexible performance for mixed-speed network environments.
Q
Which transceivers and cables are supported by the 631FLR-SFP28 adapter?
A
The adapter supports HPE-certified SFP28 SR, LR transceivers and direct attach copper (DAC) cables for short-reach and long-reach connectivity.
Q
Can I use direct attach copper (DAC) cables with the HPE Eth 10/25Gb adapter?
A
Yes. The 631FLR-SFP28 fully supports HPE SFP28 DAC cables for cost-effective, low-latency, short-reach links up to 3 meters.
Q
What operating systems are supported by the 817710-B21 FlexibleLOM adapter?
A
This adapter is supported on Microsoft Windows Server, VMware ESXi, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, CentOS, and Ubuntu.
Q
How do I install the HPE 817710-B21 FlexibleLOM adapter in my server?
A
Power down the server, remove the existing FLR blank cover, align the adapter with the FlexibleLOM slot, insert until it clicks, then power up the server.
Q
Does the 631FLR-SFP28 adapter support RDMA over Converged Ethernet (RoCE)?
A
Yes. The adapter supports both RoCE v1 and v2, as well as iWARP, for low-latency, high-throughput RDMA workloads.
Q
What is the maximum throughput per port on the HPE 631FLR-SFP28 adapter?
A
Each SFP28 port delivers up to 25Gb/s line rate, providing a total of 50Gb/s throughput per adapter.
Q
Does the adapter offer advanced offload and acceleration features?
A
Yes. It includes VXLAN, NVGRE, TCP/UDP checksum offload, iSCSI, TLS/SSL acceleration, and hardware-based traffic steering.
Q
Is the HPE Eth 10/25Gb 631FLR-SFP28 adapter hot-pluggable?
A
No. FlexibleLOM adapters require the server to be powered off for safe installation or removal.
Q
What is the typical power consumption of the 817710-B21 adapter?
A
Typical power draw is 6.5W under full load and approximately 3.2W at idle, optimizing overall server energy efficiency.
Q
How can I update the firmware on the HPE Eth 10/25Gb adapter?
A
Firmware updates are delivered via HPE Service Pack for ProLiant (SPP) or through the HPE iLO RESTful API, ensuring seamless version management.
Q
Which driver package is required for the 631FLR-SFP28 adapter?
A
Use the HPE-supplied hpe_nic driver included in the Service Pack for ProLiant or download it from the HPE Support Center for your OS.
Q
What warranty and support options are available for SKU 817710-B21?
A
The adapter is covered by HPE’s limited lifetime warranty and includes standard 3-year, 3-day on-site hardware replacement service.
Q
How does the FlexibleLOM form factor improve data center flexibility?
A
FlexibleLOM separates networking from the system board, allowing independent adapter upgrades, rapid deployment, and tailored network performance.
