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700700-B21
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- HP Ethernet 10Gb 2P 561FLR-T FIO Adptr
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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.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
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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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700700-B21 Overview
700700-B21 is a high-speed Ethernet adapter that delivers a 10Gbps data rate via a robust PCIe interface. Designed for seamless integration with Windows, Linux, and macOS platforms, this internal PCIe card supports essential protocols including TCP/IP and UDP, making it perfect for data centers, small office networks, high-speed workstations, and gaming environments.
700700-B21 operates reliably within an operating temperature range of 0 to 70°C and can be stored safely from -40 to 85°C, ensuring durability even in demanding settings. It also comes equipped with key networking features such as auto-negotiation, Wake-on-LAN, and jumbo frames, while its standard RJ-45 connector and 100-meter maximum range confirm its efficacy in high-speed wired connectivity applications.
What is the price of 700700-B21?
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700700-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 |
| Max Speed | 10Gbps |
| Supported Features | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS |
| Power Consumption | 8W |
| Connector Type | RJ-45 |
| Maximum Range | 100 meters |
| Bus Type | PCIe x1 |
| Product Name | 700700-B21 High-Speed Ethernet Adapter |
| Height | 0.5 inches |
| Width | 4.4 inches |
| Depth | 0.8 inches |
| Weight | 0.3 lbs |
700700-B21 Use Case
Ultra-Low Latency Connectivity for High-Frequency Trading Platforms
A global financial services firm deploys HPE ProLiant DL380 Gen10 servers fitted with the 700700-B21-HP Ethernet 10Gb 2P 561FLR-T FIO Adptr to establish direct fiber links to trading exchanges. By offloading TCP/IP processing to hardware and leveraging dual-port failover, the solution achieves sub-10 µs latency and 20 Gbps aggregated throughput. Benefit: 20% faster trade execution, higher daily transaction volumes, and a sustained competitive edge in low-latency markets.
High-Speed Geo-Replication for Disaster Recovery
A multinational enterprise uses the 700700-B21-HP Ethernet 10Gb 2P 561FLR-T FIO Adptr in its primary and DR data centers for synchronous IP-based storage replication across continents. Leveraging FIO offload and full-duplex 10Gb links, the deployment transfers large block volumes at 8 Gbps per port, reducing replication windows by 50%. Benefit: achieves sub-hour RPO, sub-four-hour RTO, and ensures continuous business operations during site failover.
Optimized VDI Performance in Virtualized Data Centers
A law firm implements a VDI cluster on HPE ProLiant DL360 Gen10 servers with the 700700-B21-HP Ethernet 10Gb 2P 561FLR-T FIO Adptr to service 500 concurrent desktops. The dual-port architecture and hardware offload free up CPU cycles for virtualization workloads, delivering consistent 10 Gbps throughput and sub-1 ms network latency for remote users. Benefit: superior end-user experience, simplified network management, and a 30% reduction in per-desktop infrastructure cost.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Adapter Type | Ethernet | Ethernet | USB-to-Ethernet | Ethernet | Ethernet |
| Bus Type | PCIe x1 | PCIe x1 | USB 3.0 | PCIe x4 | PCIe x4 |
| Compatibility | Windows, Linux, macOS | Windows, Linux, macOS | Windows / Linux / macOS | Windows / Linux / macOS | Windows, Linux, macOS |
| Connection Interface | PCIe | PCIe | USB 3.0 | PCIe | PCIe |
| Connector Type | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| Data Rate | 1Gbps | 10Gbps | 10Gbps | 10Gbps | 10Gbps |
| Depth | 1.5 inches | 0.8 inches | 1.5 inches | 0.5 inches | N/A |
| Form Factor | Internal PCIe Card | Internal PCIe Card | External USB Device | Internal PCIe Card | Internal PCIe Card |
| Height | 0.4 inches | 0.5 inches | 0.5 inches | 0.7 inches | N/A |
| Input Voltage | 3.3V | 3.3V | 5V | 3.3V | 3.3V |
| Max Speed | 1Gbps | 10Gbps | 10Gbps | 10Gbps | 10Gbps |
| Maximum Range | 100 meters | 100 meters | 100 meters | 100 meters | 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 | 3.5W | 8W | 5W | 6W | 5W |
| Product Name | 718904-B21 Gigabit Ethernet Adapter | 700700-B21 High-Speed Ethernet Adapter | 817710-B21 USB-to-Ethernet Adapter | 879383-B21 High-Performance Ethernet Adapter | Q6M15A 10Gbps PCIe 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 | 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 | TCP/IP, UDP | TCP/IP / UDP / NFS | TCP/IP / UDP / iSCSI | TCP/IP, UDP |
| Weight | 0.2 lbs | 0.3 lbs | 0.2 lbs | 0.3 lbs | N/A |
| Width | 4.3 inches | 4.4 inches | 2.0 inches | 3.0 inches | N/A |
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Questions & Answers
Q
What is the HP Ethernet 10Gb 2P 561FLR-T FIO Adapter (SKU: 700700-B21)?
A
The HP Ethernet 10Gb 2P 561FLR-T FIO Adapter (SKU: 700700-B21) is a low-profile FlexibleLOM network card for HPE ProLiant servers, offering dual 10GbE RJ-45 ports and advanced offload capabilities.
Q
Which ports and connectors does the 700700-B21 adapter offer?
A
It provides two integrated 10GBASE-T RJ-45 ports that support Cat6a/Cat7 cabling at up to 10 Gbps per port.
Q
Which HPE servers are compatible with the 561FLR-T adapter?
A
This adapter is validated for HPE ProLiant Gen8 and Gen9 servers with a FlexibleLOM expansion slot.
Q
How do I install the HP 10Gb 2P 561FLR-T FIO Adapter?
A
Power down the server, insert the adapter into the FlexibleLOM slot, secure the latch, reboot, and install the HPE-provided driver.
Q
What cable types and lengths are required?
A
Use Cat6a or Cat7 twisted-pair cables rated for 10GbE, supporting runs up to 100 meters.
Q
Does the 700700-B21 adapter support virtualization offloads?
A
Yes, it supports SR-IOV, VXLAN, NVGRE and hardware offloads for VMware ESXi, Microsoft Hyper-V and KVM.
Q
Can I use the adapter for iSCSI and FCoE storage networks?
A
Yes, it includes hardware offload for iSCSI and Fibre Channel over Ethernet (FCoE) acceleration.
Q
Which operating systems are supported by this adapter?
A
Supported OSes include Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, VMware ESXi, CentOS and Ubuntu with HPE drivers.
Q
What is the typical power consumption of the 561FLR-T adapter?
A
Under full load, this adapter typically consumes around 15 watts.
Q
Does the HP 700700-B21 support Wake-on-LAN and PXE boot?
A
Yes, it supports Wake-on-LAN for remote power-up and PXE boot for network OS deployment.
Q
What warranty covers the HP Ethernet 561FLR-T adapter?
A
It ships with HPE’s standard one-year warranty, which can be extended via HPE Care Pack services.
Q
How does the 700700-B21 adapter improve overall network performance?
A
By offloading TCP/IP processing and offering dual 10Gb links, it reduces CPU load and doubles aggregate throughput.
Q
Are drivers included with the HP 10Gb 2P 561FLR-T adapter?
A
Drivers are available for free download from the HPE Support Center and are auto-installable during OS setup.
Q
What are the physical dimensions of the FlexibleLOM adapter?
A
The low-profile FlexibleLOM card measures approximately 1.4 × 6.6 inches and weighs under 2 pounds.
Q
How can I monitor and manage the adapter’s performance?
A
Use HPE Integrated Lights-Out (iLO) and HPE OneView to view real-time statistics and configure network settings.
Q
Can I install the 561FLR-T adapter in non-HPE servers?
A
It is engineered specifically for HPE FlexibleLOM slots; compatibility with other vendors’ servers is not guaranteed.
Q
What is the typical latency of the HP Ethernet 10Gb 2P 561FLR-T adapter?
A
The adapter delivers low latency as low as 2 microseconds for high-performance applications.
