Dell K85Y5 2 Ports ConnectX-6 Lx SFP28 PCI-E Adapter

Overview of Dell K85Y5 Dual-Port 25GB SFP28 PCI-E Adapter

The DELL K85Y5 NVIDIA ConnectX-6 Lx network adapter is engineered for modern data centers, enterprise environments, and demanding server infrastructures. Designed to deliver dependable high-speed connectivity, this dual-port SFP28 PCIe adapter enables seamless network communication while supporting bandwidth-intensive workloads. Its compact architecture and enterprise-grade reliability make it an excellent choice for organizations seeking efficient and scalable networking solutions.

Technical Specifications

• Manufacturer: Dell
• Part Number: K85Y5 
• Product Type: Network Adapter

Technical Specifications

• Product Type: Network Adapter
• Form Factor: Plug-In Card
• Ports: 2 x SFP28
• Network Speed: Up to 25Gbps
• Interface: PCI Express
• Bracket Type: Full-Height Bracket
• Model: NVIDIA ConnectX-6 Lx
• Part Number: K85Y5

Key Advantages  

• Dual-port SFP28 connectivity for enhanced network flexibility.
• Supports high-speed data transfer rates of up to 25GbE.
• Reliable PCI Express interface for stable server integration.
• Optimized for virtualization, cloud computing, and storage networking.
• Compact design helps maximize server space efficiency.
• Validated and tested for compatibility with Dell server platforms.
• Backed by Dell technical support when deployed in supported systems.

High-Speed 25GbE Connectivity

• Accelerated data movement across networks.
• Reduced bottlenecks during heavy traffic periods.
• Enhanced support for data-intensive applications.
• Improved server-to-server communication.

Space-Efficient PCIe Expansion Card

• Simple deployment in enterprise server environments.
• Efficient utilization of available expansion slots.
• Reduced clutter within server chassis.
• Suitable for dense rack-mounted infrastructures.

Ideal Use Cases

• Enterprise data centers.
• Cloud computing platforms.
• Virtual machine hosting environments.
• Network-attached storage systems.
• High-performance computing clusters.
• Database and analytics workloads.
• Large-scale business applications.

Compatible Dell PowerEdge Servers

Supported Rack Servers

• PowerEdge R440
• PowerEdge R540
• PowerEdge R640
• PowerEdge R650
• PowerEdge R6525
• PowerEdge R660
• PowerEdge R6615
• PowerEdge R6625
• PowerEdge R740
• PowerEdge R740xd
• PowerEdge R750
• PowerEdge R750xa
• PowerEdge R7515
• PowerEdge R760
• PowerEdge R760xa
• PowerEdge R760xd2
• PowerEdge R7615
• PowerEdge R7625
• PowerEdge R840
• PowerEdge R860
• PowerEdge R940
• PowerEdge R940xa
• PowerEdge R960

Supported Tower and Specialized Systems

• PowerEdge T560
• PowerEdge XE8640
• PowerEdge XE9640
• PowerEdge XR11
• PowerEdge XR12
• PowerEdge XR5610
• PowerEdge XR7620

Benefits of K85Y5 ConnectX-6 Lx Adapter

• Enterprise-grade networking performance.
• Dual-port 10/25GbE connectivity.
• Trusted NVIDIA networking technology.
• Dell-tested and validated hardware.
• Excellent compatibility with PowerEdge servers.
• Designed for scalability and future network growth.
• Suitable for modern data center and cloud deployments.

Outline of Dell K85Y5 2 Ports 25Gbps SFP28 PCI-E Adapter  

The Dell K85Y5 2 Ports ConnectX-6 Lx 25Gbps SFP28 PCI-E Adapter with Full-Height Bracket is designed to provide enterprise-class networking performance for modern data centers, virtualization environments, cloud infrastructure, and high-performance computing platforms. As organizations continue to demand faster data transmission speeds, reduced latency, and increased scalability, advanced network adapters have become a critical component in server infrastructure. This dual-port adapter delivers exceptional connectivity capabilities while supporting demanding workloads that require reliable and consistent network performance.

Built on advanced ConnectX-6 Lx technology, this adapter enables seamless integration into enterprise server deployments where bandwidth efficiency and network responsiveness are essential. The adapter is engineered to maximize throughput while maintaining low CPU utilization, helping organizations optimize resource allocation across virtualized and physical environments. Its support for 25Gbps networking standards makes it a valuable solution for businesses seeking to modernize their infrastructure and improve overall network efficiency.

Advanced ConnectX-6 Lx Architecture

Next-Generation Networking Innovation

The ConnectX-6 Lx architecture incorporated into the Dell K85Y5 adapter represents a significant advancement in Ethernet networking technology. It is specifically designed to meet the growing demands of modern enterprise applications, storage networks, and cloud-based services. Organizations deploying increasingly data-intensive workloads require network adapters capable of delivering high-speed connectivity without compromising reliability or operational stability.

The architecture supports intelligent packet processing, advanced offload capabilities, and optimized data flow management. These features contribute to improved application responsiveness and enhanced user experiences across enterprise environments. By reducing processing overhead on host systems, the adapter allows servers to dedicate more resources to critical business applications.

Designed for Enterprise Scalability

Enterprise environments often experience rapid growth in data volumes and network traffic. The Dell K85Y5 adapter addresses these challenges through scalable networking capabilities that support evolving infrastructure requirements. Its advanced design ensures compatibility with modern server architectures while providing the flexibility needed for future network expansion initiatives.

The adapter's scalability characteristics make it suitable for organizations operating private clouds, hybrid cloud infrastructures, and large-scale virtualized environments. Businesses can confidently deploy the adapter knowing it supports long-term infrastructure growth strategies.

Dual-Port 25Gbps Connectivity Advantages

High-Bandwidth Data Transfer

One of the most significant advantages of the Dell K85Y5 adapter is its dual-port 25Gbps connectivity. Each port is capable of delivering substantial bandwidth for demanding enterprise workloads. This capability enables servers to handle large data transfers, virtualization traffic, storage communications, and application workloads efficiently.

The increased bandwidth available through dual 25Gbps ports allows organizations to reduce network bottlenecks that can impact application performance. Whether supporting database operations, virtual machine migrations, or large-scale analytics platforms, the adapter helps maintain consistent throughput under heavy workloads.

Enhanced Network Utilization

Dual-port configurations enable improved traffic distribution across network paths. This design helps maximize network utilization while providing greater flexibility in infrastructure planning. Organizations can separate storage traffic, application traffic, and management traffic to optimize overall network performance and maintain predictable service levels.

Improved Redundancy Capabilities

Redundancy is an essential requirement in mission-critical environments. The two-port design supports failover configurations that help maintain connectivity even if one network path becomes unavailable. This capability contributes to higher infrastructure availability and improved business continuity.

SFP28 Interface Technology

Optimized for Modern Networking Standards

The SFP28 interface has become a preferred connectivity standard in high-speed networking environments. The Dell K85Y5 adapter leverages this technology to provide flexible and efficient connectivity options for enterprise deployments. SFP28 modules support high-speed communication while maintaining a compact form factor suitable for dense server environments.

Organizations can deploy compatible optical transceivers and direct attach cables according to specific infrastructure requirements. This flexibility allows network administrators to customize connectivity solutions based on distance, performance objectives, and budget considerations.

Support for Flexible Network Deployments

SFP28 technology provides versatility across a wide range of networking scenarios. Data centers can utilize fiber optic connections for long-distance communications while employing direct attach copper cables for short-range server connectivity. This adaptability simplifies deployment planning and infrastructure optimization efforts.

Reduced Cabling Complexity

Efficient cable management is a crucial consideration in modern server rooms and data centers. The compact SFP28 design helps minimize cable clutter while supporting high-density networking configurations. Simplified cable management contributes to improved airflow and easier maintenance procedures.

PCI-E Integration and Performance

High-Speed PCI Express Connectivity

The Dell K85Y5 adapter utilizes PCI Express technology to establish a high-performance connection between the network interface and the host server. PCI-E connectivity provides the bandwidth necessary to support demanding network operations while minimizing latency and maximizing throughput.

Modern servers rely on PCI Express architectures to accommodate advanced networking, storage, and computing technologies. The adapter's PCI-E integration ensures efficient communication between network resources and server applications, supporting optimal system performance.

Reduced Latency for Critical Applications

Low-latency networking is increasingly important for applications such as financial services, real-time analytics, cloud computing, and virtual desktop infrastructure. The PCI-E architecture contributes to faster data processing and reduced communication delays, enabling applications to respond more quickly to user requests and system events.

Efficient Resource Utilization

By leveraging PCI-E bandwidth effectively, the adapter helps reduce performance bottlenecks associated with network communications. This efficient resource utilization supports higher server density and improved infrastructure efficiency across enterprise deployments.

Full-Height Bracket Design Benefits

Compatibility with Enterprise Servers

The included full-height bracket ensures compatibility with a wide variety of enterprise-class servers and workstation platforms. Many rack-mounted servers and tower systems utilize full-height expansion slots, making this adapter suitable for numerous deployment scenarios.

The bracket design provides secure installation while maintaining proper alignment within the server chassis. This contributes to stable operation and long-term reliability in demanding environments.

Enhanced Physical Stability

Physical stability is an important consideration for networking hardware deployed in busy data centers. The full-height bracket helps secure the adapter within the server enclosure, minimizing movement and ensuring consistent connectivity. Proper installation contributes to dependable long-term performance and reduced maintenance requirements.

Virtualization Environment Optimization

Support for Virtual Machine Workloads

Virtualization continues to play a central role in enterprise IT strategies. The Dell K85Y5 adapter is designed to support virtualized environments by providing high-speed network connectivity for virtual machines and virtualized applications. Its advanced networking capabilities help maintain consistent performance across multiple virtual workloads operating simultaneously.

Organizations running large numbers of virtual machines can benefit from improved bandwidth allocation, enhanced traffic management, and reduced networking overhead. These advantages contribute to better overall virtualization efficiency and improved resource utilization.

Accelerated VM Migration

Virtual machine migration processes often generate significant network traffic. The adapter's 25Gbps connectivity helps accelerate migration operations, reducing maintenance windows and minimizing disruptions to business operations. Faster migrations enable more flexible workload management strategies and improved infrastructure agility.

Cloud Computing Infrastructure Support

Private Cloud Deployments

Private cloud environments require reliable and scalable networking solutions capable of supporting diverse workloads. The Dell K85Y5 adapter provides the bandwidth and performance necessary to facilitate cloud service delivery while maintaining high levels of operational efficiency.

Organizations implementing private cloud architectures can leverage the adapter's advanced networking features to improve service responsiveness and resource allocation. This contributes to enhanced user experiences and greater infrastructure flexibility.

Hybrid and Multi-Cloud Connectivity

Many enterprises adopt hybrid and multi-cloud strategies to balance performance, cost, and compliance requirements. The adapter supports these initiatives by providing high-speed connectivity between on-premises infrastructure and cloud resources. Consistent network performance helps ensure smooth workload distribution and efficient data exchange across environments.

Data Center Networking Applications

High-Density Server Environments

Modern data centers are designed to maximize computing density while maintaining operational efficiency. The Dell K85Y5 adapter supports high-density deployments by delivering substantial networking performance within a compact form factor. This capability enables organizations to optimize rack space utilization without sacrificing connectivity performance.

As data centers continue to evolve, networking solutions must accommodate increasing traffic volumes and application complexity. The adapter's advanced capabilities help organizations address these challenges effectively.

Storage Networking Support

Storage infrastructure often depends on high-speed network connectivity to facilitate data access, replication, and backup operations. The adapter's dual-port 25Gbps design provides the bandwidth required to support storage networking workloads while maintaining reliable performance.

Faster Data Movement

Efficient data movement is critical for backup operations, disaster recovery planning, and large-scale storage environments. The adapter helps accelerate these processes by providing high-throughput connectivity that reduces transfer times and improves operational efficiency.

Security and Reliability Features

Enterprise-Class Reliability

Reliability remains one of the most important considerations when selecting networking hardware for business-critical environments. The Dell K85Y5 adapter is engineered to deliver dependable performance under demanding operating conditions. Its enterprise-focused design supports continuous operation and long-term infrastructure stability.

Organizations can deploy the adapter in mission-critical applications with confidence, knowing it is designed to meet the rigorous requirements of enterprise environments.

Secure Data Transmission

Network security plays a vital role in protecting sensitive business information and maintaining regulatory compliance. Advanced networking technologies incorporated into the adapter help support secure communications while enabling efficient data transfer across enterprise networks.

By combining performance and security-focused capabilities, the adapter contributes to a robust networking foundation that supports modern business requirements.

High-Performance Computing and Analytics Workloads

Supporting Compute-Intensive Applications

High-performance computing environments often require rapid communication between servers, storage systems, and application resources. The Dell K85Y5 adapter provides the networking capabilities necessary to support compute-intensive workloads while minimizing communication delays.

Organizations utilizing advanced analytics, scientific computing, machine learning, and data processing applications can benefit from the adapter's high-bandwidth architecture. Faster data exchange helps accelerate workload execution and improve overall computational efficiency.

Optimized Data Processing Pipelines

Data-intensive applications rely on efficient movement of information across network infrastructure. The adapter supports optimized data processing pipelines by reducing transfer bottlenecks and enabling faster access to distributed resources. This capability contributes to improved workload performance and more efficient use of computing infrastructure.