United States$5,000,000+
Inventory Delivered By
A
Anthony Reed
4
10/25Gb adapter future-proofed our servers.
817710-B21
HPE Eth 10/25Gb 631FLR-SFP28 FIO Adptr
FEATURED DEAL
Name:
817710-B21
- Description:
- HPE Eth 10/25Gb 631FLR-SFP28 FIO Adptr
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
- Warranty:
- 3
- List Price:
$465.36
- Price:
$251.2946% off
Quantity:
1
Business price:
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
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.
Can I use direct attach copper (DAC) cables with the HPE Eth 10/25Gb adapter?
Yes. The 631FLR-SFP28 fully supports HPE SFP28 DAC cables for cost-effective, low-latency, short-reach links up to 3 meters.
What operating systems are supported by the 817710-B21 FlexibleLOM adapter?
This adapter is supported on Microsoft Windows Server, VMware ESXi, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, CentOS, and Ubuntu.
How do I install the HPE 817710-B21 FlexibleLOM adapter in my server?
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.
Does the 631FLR-SFP28 adapter support RDMA over Converged Ethernet (RoCE)?
Yes. The adapter supports both RoCE v1 and v2, as well as iWARP, for low-latency, high-throughput RDMA workloads.
What is the maximum throughput per port on the HPE 631FLR-SFP28 adapter?
Each SFP28 port delivers up to 25Gb/s line rate, providing a total of 50Gb/s throughput per adapter.
Does the adapter offer advanced offload and acceleration features?
Yes. It includes VXLAN, NVGRE, TCP/UDP checksum offload, iSCSI, TLS/SSL acceleration, and hardware-based traffic steering.
Is the HPE Eth 10/25Gb 631FLR-SFP28 adapter hot-pluggable?
No. FlexibleLOM adapters require the server to be powered off for safe installation or removal.
What is the typical power consumption of the 817710-B21 adapter?
Typical power draw is 6.5W under full load and approximately 3.2W at idle, optimizing overall server energy efficiency.
How can I update the firmware on the HPE Eth 10/25Gb adapter?
Firmware updates are delivered via HPE Service Pack for ProLiant (SPP) or through the HPE iLO RESTful API, ensuring seamless version management.
Which driver package is required for the 631FLR-SFP28 adapter?
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.
What warranty and support options are available for SKU 817710-B21?
The adapter is covered by HPE’s limited lifetime warranty and includes standard 3-year, 3-day on-site hardware replacement service.
How does the FlexibleLOM form factor improve data center flexibility?
FlexibleLOM separates networking from the system board, allowing independent adapter upgrades, rapid deployment, and tailored network performance.