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10/25Gb adapter future-proofed our servers.
817710-B21
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HPE Eth 10/25Gb 631FLR-SFP28 FIO Adptr
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817710-B21
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- HPE Eth 10/25Gb 631FLR-SFP28 FIO Adptr
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- List Price:
$465.36
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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.
817710-B21 price is $251.29, a 46% saving from the Hpe list price of $465.36. 817710-B21 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 817710-B21 for additional pricing. Browse the full Hpe Network Adapters series or explore all Hpe products.
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 
| 817710-B21 |  870825-B21 |  872725-B21 |  665243-B21 |  684208-B21 | |
|---|---|---|---|---|---|
| Product Type | Network Adapter | Network Adapter | Network Adapter | Network Adapter | Network Adapter |
| Adapter Type | USB-to-Ethernet | Ethernet | Ethernet | Ethernet | USB-to-Ethernet |
| Data Rate | 10Gbps | 10Gbps | 10Gbps | 10Gbps | 1Gbps |
| Connection Interface | USB 3.0 | PCIe | PCIe | PCIe | USB 3.0 |
| Supported Protocols | TCP/IP / UDP / NFS | TCP/IP / UDP / iSCSI / NFS | TCP/IP, UDP | TCP/IP, UDP, iSCSI, NFS, SMB | TCP/IP, UDP |
| Form Factor | External USB Device | Internal PCIe Card | Internal PCIe Card | Internal PCIe Card | External USB Device |
| 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 | 5V | 3.3V | 3.3V | 3.3V | 5V |
| Compatibility | Windows / Linux / macOS | Windows / Linux / macOS / VMware / Hyper-V | Windows, Linux, macOS, VMware, Hyper-V | Windows, Linux, macOS, VMware, Hyper-V | Windows, Linux, macOS |
| Max Speed | 10Gbps | 10Gbps | 10Gbps | 10Gbps | 1Gbps |
| 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 | 5W | 5W | N/A | 10W | N/A |
| Connector Type | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| Maximum Range | 100 meters | 100 meters | N/A | 100 meters | 100 meters |
| Bus Type | USB 3.0 | PCIe x4 | PCIe x4 | PCIe x4 | USB 3.0 |
| Product Name | 817710-B21 USB-to-Ethernet Adapter | 870825-B21 High-Speed Network Adapter | 872725-B21 High-Performance Ethernet Network Adapter | 665243-B21 High Performance 10Gbps Ethernet Adapter | 684208-B21 USB-to-Ethernet Adapter |
| Height | 0.5 inches | 0.5 inches | N/A | 1.0 in | N/A |
| Width | 2.0 inches | 4 inches | N/A | 4.5 in | N/A |
| Depth | 1.5 inches | 6 inches | N/A | 0.5 in | N/A |
| Weight | 0.2 lbs | 1.2 lbs | N/A | 0.4 lbs | N/A |
Reviews & Ratings
U
Umer Farooq
4
Excellent throughput with SFP28 optics.
G
George Hill
5
Stable under high bandwidth usage.
S
Salman Akhtar
5
OEM adapter worked instantly.
M
Mikael Sorensen
4
Strong performance and reliability.
Questions & Answers
What is the HPE Eth 10/25Gb 631FLR-SFP28 FIO Adapter (SKU: 817710-B21)?
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.
Which HPE servers are compatible with the 817710-B21 adapter?
The 817710-B21 FlexibleLOM adapter is compatible with HPE ProLiant Gen10 and Gen10 Plus rackmount and tower servers equipped with a FlexibleLOM slot.
What network speeds does the HPE Eth 631FLR-SFP28 adapter support?
The HPE 631FLR-SFP28 adapter supports auto-negotiation for 10GbE and 25GbE, delivering flexible performance for mixed-speed network environments.
Which transceivers and cables are supported by the 631FLR-SFP28 adapter?
The adapter supports HPE-certified SFP28 SR, LR transceivers and direct attach copper (DAC) cables for short-reach and long-reach connectivity.