Brand: HPE · SKU: P18461-B21 · MPN: P18461-B21 · Category: Networking
The HPE P18461-B21 is a high-performance 10/25Gb dual-port Ethernet adapter designed in the FlexibleLOM form factor for HPE ProLiant and DX series servers. Utilizing the Mellanox ConnectX-4 Lx controller, this adapter provides two SFP28 ports that support 10GbE and 25GbE speeds. It is engineered to handle demanding enterprise workloads, providing low latency and high throughput. As a Factory Integrated Option (FIO), it is optimized for seamless integration within HPE server architectures. The adapter features advanced networking capabilities including hardware-based offloads for VXLAN, NVGRE, and GENEVE, which reduce CPU overhead and improve virtualization efficiency. It also supports features like RDMA over Converged Ethernet (RoCE) and Secure Boot to enhance data center security and performance.
| Bus Type | PCIe 3.0 x8 |
|---|---|
| Data Rate | 10/25 Gbps |
| Controller | Mellanox ConnectX-4 Lx |
| Form Factor | FlexibleLOM |
| Interface Type | SFP28 |
| Number of Ports | 2 |
| Power Consumption | 9.7W typical |
| Warranty | 3-Year Limited Warranty |
| Weight | 0.45 lbs |
| Dimensions | 7.5 x 9.5 x 2.2 inches |
The HPE P18461-B21 (640FLR-SFP28) is a 2-port 25Gb Ethernet adapter that improves server efficiency by offloading network processing. Ideal for high-density data centers and cloud environments, it offers superior scalability and performance for virtualized workloads.
Yes, this HPE P18461-B21 DX Ethernet 10/25Gb 2-port 640FLR-SFP28 FIO Adapter (P18461-B21) is 100% genuine HPE hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This HPE P18461-B21 DX Ethernet 10/25Gb 2-port 640FLR-SFP28 FIO Adapter includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the P18461-B21.