HPE Ethernet 10/25Gb 2-port FLR-SFP28 MCX4121A-ACFT Adapter
HPE 2-port, 10/25GbE 640FLR-SFP28 adapter
SKU # 817749-B21
Key Features
Address the Increasing Demand for an Overlay Network
The HPE Ethernet 10/25Gb 2-port FLR-SFP28 CX4 Adapter reduces the impact of overlay networking on host performance with tunnel offload support for VXLAN and NVGRE, increasing VM migration flexibility and network scale with minimal impact to performance.
Decouples virtual overlay network layer from the physical NIC performance.
Auto negotiates to 10GbE for immediate future proofing.
More Efficient and Faster Way to Send Data with RDMA Over Converged Ethernet (RoCE)
The HPE Ethernet 10/25Gb 2-port FLR-SFP28 CX4 Adapter bypasses the TCP/IP stack and removes of a data copy step reducing overall latency to deliver accelerated performance for applications such as Microsoft® Hyper-V® Live Migration, Microsoft SQL® and Microsoft SharePoint with SMB Direct.
RDMA over Converged Ethernet (RoCE) for greater server efficiency and lower latency.
Lower Latency and Higher Throughput with Messaging Accelerator (VMA)
The HPE Ethernet 10/25Gb 2-port FLR-SFP28 CX4 Adapter reduces system latency for improved performance specifically for high-frequency trading operations while maintaining high message rates and hundreds of simultaneous connections.
Contains VMA, an included firmware with many benefits such as lower latency, higher throughput, improved CPU utilization and minimal buffer copies between user data and hardware.
QuickSpecs
Related Links
Additional Resources & Collateral
HPE Server Options
Microsoft® is a registered trademark of Microsoft Corporation in the United States and other countries. Hyper-V® is a registered trademark of Microsoft Corporation in the United States and other countries.

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The Big Switch Networks Big Cloud Fabric Series is an application that uses hyperscale concepts of scalability, openness and agility to deliver intent-based networking based on SDN controls. By using HPE Altoline open networking switches and 3rd party software, customers may realize up to 50% TCO over legacy networks.
Big Switch Networks Big Cloud Fabric Series delivers zero-touch operations, network automation and deep visibility for data center fabrics and cloud-native applications. Supports physical and virtual workloads and choice of orchestration tools. It provides Layer 2 (L2) switching, L3 routing, and L4-7 service insertion and chaining. The scalable fabric is fully resilient with no single point of failure and supports headless mode operations.

Big Switch Networks Big Cloud Fabric Series
The Big Switch Networks Big Cloud Fabric Series is an application that uses hyperscale concepts of scalability, openness and agility to deliver intent-based networking based on SDN controls. By using HPE Altoline open networking switches and 3rd party software, customers may realize up to 50% TCO over legacy networks.
Big Switch Networks Big Cloud Fabric Series delivers zero-touch operations, network automation and deep visibility for data center fabrics and cloud-native applications. Supports physical and virtual workloads and choice of orchestration tools. It provides Layer 2 (L2) switching, L3 routing, and L4-7 service insertion and chaining. The scalable fabric is fully resilient with no single point of failure and supports headless mode operations.

Big Switch Networks Big Cloud Fabric Series
The Big Switch Networks Big Cloud Fabric Series is an application that uses hyperscale concepts of scalability, openness and agility to deliver intent-based networking based on SDN controls. By using HPE Altoline open networking switches and 3rd party software, customers may realize up to 50% TCO over legacy networks.
Big Switch Networks Big Cloud Fabric Series delivers zero-touch operations, network automation and deep visibility for data center fabrics and cloud-native applications. Supports physical and virtual workloads and choice of orchestration tools. It provides Layer 2 (L2) switching, L3 routing, and L4-7 service insertion and chaining. The scalable fabric is fully resilient with no single point of failure and supports headless mode operations.

Big Switch Networks Big Cloud Fabric Series
The Big Switch Networks Big Cloud Fabric Series is an application that uses hyperscale concepts of scalability, openness and agility to deliver intent-based networking based on SDN controls. By using HPE Altoline open networking switches and 3rd party software, customers may realize up to 50% TCO over legacy networks.
Big Switch Networks Big Cloud Fabric Series delivers zero-touch operations, network automation and deep visibility for data center fabrics and cloud-native applications. Supports physical and virtual workloads and choice of orchestration tools. It provides Layer 2 (L2) switching, L3 routing, and L4-7 service insertion and chaining. The scalable fabric is fully resilient with no single point of failure and supports headless mode operations.

Big Switch Networks Big Cloud Fabric Series
The Big Switch Networks Big Cloud Fabric Series is an application that uses hyperscale concepts of scalability, openness and agility to deliver intent-based networking based on SDN controls. By using HPE Altoline open networking switches and 3rd party software, customers may realize up to 50% TCO over legacy networks.
Big Switch Networks Big Cloud Fabric Series delivers zero-touch operations, network automation and deep visibility for data center fabrics and cloud-native applications. Supports physical and virtual workloads and choice of orchestration tools. It provides Layer 2 (L2) switching, L3 routing, and L4-7 service insertion and chaining. The scalable fabric is fully resilient with no single point of failure and supports headless mode operations.

Big Switch Networks Big Cloud Fabric Series
The Big Switch Networks Big Cloud Fabric Series is an application that uses hyperscale concepts of scalability, openness and agility to deliver intent-based networking based on SDN controls. By using HPE Altoline open networking switches and 3rd party software, customers may realize up to 50% TCO over legacy networks.
Big Switch Networks Big Cloud Fabric Series delivers zero-touch operations, network automation and deep visibility for data center fabrics and cloud-native applications. Supports physical and virtual workloads and choice of orchestration tools. It provides Layer 2 (L2) switching, L3 routing, and L4-7 service insertion and chaining. The scalable fabric is fully resilient with no single point of failure and supports headless mode operations.

Big Switch Networks Big Cloud Fabric Series
The Big Switch Networks Big Cloud Fabric Series is an application that uses hyperscale concepts of scalability, openness and agility to deliver intent-based networking based on SDN controls. By using HPE Altoline open networking switches and 3rd party software, customers may realize up to 50% TCO over legacy networks.
Big Switch Networks Big Cloud Fabric Series delivers zero-touch operations, network automation and deep visibility for data center fabrics and cloud-native applications. Supports physical and virtual workloads and choice of orchestration tools. It provides Layer 2 (L2) switching, L3 routing, and L4-7 service insertion and chaining. The scalable fabric is fully resilient with no single point of failure and supports headless mode operations.

Big Switch Networks Big Cloud Fabric Series
The Big Switch Networks Big Cloud Fabric Series is an application that uses hyperscale concepts of scalability, openness and agility to deliver intent-based networking based on SDN controls. By using HPE Altoline open networking switches and 3rd party software, customers may realize up to 50% TCO over legacy networks.
Big Switch Networks Big Cloud Fabric Series delivers zero-touch operations, network automation and deep visibility for data center fabrics and cloud-native applications. Supports physical and virtual workloads and choice of orchestration tools. It provides Layer 2 (L2) switching, L3 routing, and L4-7 service insertion and chaining. The scalable fabric is fully resilient with no single point of failure and supports headless mode operations.

Big Switch Networks Big Cloud Fabric Series
The Big Switch Networks Big Cloud Fabric Series is an application that uses hyperscale concepts of scalability, openness and agility to deliver intent-based networking based on SDN controls. By using HPE Altoline open networking switches and 3rd party software, customers may realize up to 50% TCO over legacy networks.
Big Switch Networks Big Cloud Fabric Series delivers zero-touch operations, network automation and deep visibility for data center fabrics and cloud-native applications. Supports physical and virtual workloads and choice of orchestration tools. It provides Layer 2 (L2) switching, L3 routing, and L4-7 service insertion and chaining. The scalable fabric is fully resilient with no single point of failure and supports headless mode operations.

Big Switch Networks Big Cloud Fabric Series
The Big Switch Networks Big Cloud Fabric Series is an application that uses hyperscale concepts of scalability, openness and agility to deliver intent-based networking based on SDN controls. By using HPE Altoline open networking switches and 3rd party software, customers may realize up to 50% TCO over legacy networks.
Big Switch Networks Big Cloud Fabric Series delivers zero-touch operations, network automation and deep visibility for data center fabrics and cloud-native applications. Supports physical and virtual workloads and choice of orchestration tools. It provides Layer 2 (L2) switching, L3 routing, and L4-7 service insertion and chaining. The scalable fabric is fully resilient with no single point of failure and supports headless mode operations.

Big Switch Networks Big Cloud Fabric Series
The Big Switch Networks Big Cloud Fabric Series is an application that uses hyperscale concepts of scalability, openness and agility to deliver intent-based networking based on SDN controls. By using HPE Altoline open networking switches and 3rd party software, customers may realize up to 50% TCO over legacy networks.
Big Switch Networks Big Cloud Fabric Series delivers zero-touch operations, network automation and deep visibility for data center fabrics and cloud-native applications. Supports physical and virtual workloads and choice of orchestration tools. It provides Layer 2 (L2) switching, L3 routing, and L4-7 service insertion and chaining. The scalable fabric is fully resilient with no single point of failure and supports headless mode operations.
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