540-BCIW Dell ConnectX-5 Ex EN 100GbE 2-Ports QSFP28 NIC

Dell 540-BCIW ConnectX-5 2-Port QSFP28 PCIe 4.0 Adapter

The Dell 540-BCIW ConnectX-5 Ex EN Network Interface Card is a high-performance enterprise-grade networking solution engineered for ultra-fast data centers, cloud computing environments, and high-bandwidth workloads. Designed with dual 100GbE QSFP28 ports and PCIe 4.0 x16 interface, this advanced network adapter delivers exceptional throughput, low latency, and scalable connectivity for modern IT infrastructures requiring maximum efficiency and reliability.

Product Specifications

• Manufacturer: Dell
• Part Number: 540-BCIW
• Product Type: Network Adapter (NIC)
• Form Factor: Plug-in PCIe Card
• Interface: PCI Express 4.0 x16
• Ports: 2 x 100GbE QSFP28
• Maximum Data Transfer Rate: Up to 100 Gbps per port
• Connectivity: Wired Ethernet

High-Bandwidth Networking Capabilities

• Up to 100Gbps per port data transfer speed
• Dual-port architecture for redundant or aggregated connectivity
• Optimized for high-density server environments
• Low-latency packet processing for real-time applications
• Scalable performance for cloud and enterprise workloads

Benefits of PCIe 4.0 Technology

• Increased bandwidth compared to PCIe 3.0
• Lower latency communication between CPU and NIC
• Improved scalability for enterprise servers
• Efficient handling of multi-threaded network traffic
• Enhanced support for high-speed computing environments

Dual 100GbE QSFP28 Port

QSFP28 Port Advantages

• High-density 100GbE connectivity
• Support for breakout configurations
• Improved scalability for data center networks
• Reduced cabling complexity
• Optimized for fiber-based networking environments

Comprehensive Protocol and Standards Support

Supported Network Protocols

• TCP/IP
• UDP/IP
• iSCSI

IEEE Compliance Standards

• IEEE 802.3ae, 802.3ap, 802.3ba
• IEEE 802.3bj, 802.3bm, 802.3by
• IEEE 802.1q VLAN tagging
• IEEE 802.1p QoS prioritization
• IEEE 802.3ad (LACP link aggregation)
• IEEE 802.1ax link aggregation
• IEEE 1588v2 precision time protocol
• IEEE 802.3az energy efficient Ethernet

Supported Data Link Protocols

• 100 Gigabit Ethernet
• 50 Gigabit Ethernet
• 40 Gigabit Ethernet
• 25 Gigabit Ethernet
• 10 Gigabit Ethernet
• 1 Gigabit Ethernet

Key Performance Features

• Auto-negotiation support
• Jumbo frame handling
• Quality of Service (QoS) management
• VLAN tagging support
• PXE boot capability
• UEFI boot support

High-Performance Offloading Technologies

• Large Send Offload (LSO)
• Large Receive Offload (LRO)
• Receive Side Scaling (RSS)
• Transmit Side Scaling (TSS)

RDMA-Enabled Features

• RDMA over Converged Ethernet (RoCE)
• Extended Reliable Connected transport (XRC)
• Dynamically Connected Transport (DCT)
• On-Demand Paging (ODP)

Green Networking Features

• IEEE 802.3az Energy Efficient Ethernet (EEE)
• Optimized power usage during low traffic
• Dynamic power scaling
• Reduced operational energy costs

Physical Dimensions

• Height: 2.7 inches
• Depth: 5.6 inches
  
  

  Dell 540-BCIW 2-Port QSFP28 PCIe Interface Card Overview

  The Dell 540-BCIW ConnectX-5 Ex EN 100GbE 2-Port QSFP28 PCIe 4.0 x16 Network Interface Card represents a high-performance networking solution engineered for modern data-intensive environments. Built on advanced Mellanox ConnectX-5 architecture and optimized for enterprise-grade Dell PowerEdge infrastructures, this network interface card is designed to deliver ultra-low latency, exceptional throughput, and advanced hardware offload capabilities. It supports next-generation data center workloads that demand scalable bandwidth, high packet processing efficiency, and consistent performance under heavy computational loads.

  As organizations transition toward cloud-native infrastructures, hyper-converged systems, and AI-driven computing clusters, the need for high-speed interconnects has become critical. This NIC addresses those requirements by combining 100 Gigabit Ethernet capability with PCI Express 4.0 x16 bandwidth efficiency, ensuring that network bottlenecks are minimized even in the most demanding environments.

  Advanced Architecture and Hardware Design

  The architecture of the Dell 540-BCIW ConnectX-5 Ex EN NIC is built around a highly optimized network processing engine designed to offload compute-intensive networking tasks from the host CPU. This approach enhances system efficiency by allowing processors to focus on application workloads instead of packet handling overhead. The integration of Mellanox ConnectX-5 technology ensures a balance between performance, scalability, and energy efficiency.

  PCIe 4.0 x16 Interface Efficiency

  One of the most significant design elements of this network interface card is its PCIe 4.0 x16 host interface. PCIe 4.0 doubles the bandwidth of PCIe 3.0, enabling significantly faster data transfer rates between the NIC and the host system. This increased bandwidth is essential for supporting dual 100GbE ports without congestion or data throttling. The x16 lane configuration ensures maximum throughput potential, making it suitable for environments where large-scale data movement is continuous and latency-sensitive.

  This interface design also contributes to reduced CPU overhead and improved parallel processing capabilities, allowing enterprise servers to maintain performance consistency even under extreme network traffic conditions.

  Dual-Port QSFP28 Connectivity Design

  The inclusion of two QSFP28 ports provides flexibility and scalability for high-performance networking environments. Each port is capable of supporting up to 100GbE connectivity, enabling aggregated bandwidth or redundant network paths depending on deployment requirements. QSFP28 technology ensures efficient signal transmission while supporting various optical and copper cable configurations.

  This dual-port design is particularly valuable in data centers where redundancy, load balancing, and failover capabilities are essential for maintaining service continuity and operational reliability.

  High-Speed Networking Performance Capabilities

  The Dell 540-BCIW ConnectX-5 Ex EN NIC is engineered to support ultra-high-speed networking environments where throughput and latency are critical performance indicators. With 100GbE capability per port, it enables massive data transfer rates suitable for cloud computing clusters, high-performance computing systems, and large-scale virtualization platforms.

  100 Gigabit Ethernet Throughput Optimization

  At the core of its performance advantage is the ability to deliver 100GbE per port bandwidth. This level of throughput ensures that data-intensive applications such as real-time analytics, machine learning training pipelines, and distributed storage systems can operate efficiently without network saturation. The card’s internal architecture is optimized for packet processing at line rate, ensuring minimal packet loss even under sustained high-load conditions.

  This capability is especially beneficial in environments where data replication, backup synchronization, and inter-node communication occur continuously across distributed infrastructure.

  Low-Latency Data Transmission Engine

  Latency reduction is a key design objective of the ConnectX-5 Ex EN platform. The NIC incorporates advanced packet steering mechanisms that minimize delays between data ingress and egress. This ensures that time-sensitive applications such as financial trading systems, real-time telemetry processing, and AI inference pipelines can operate with predictable response times.

  The hardware-based acceleration engine reduces dependency on software-based packet processing, allowing faster and more deterministic network behavior across enterprise workloads.

  Data Center and Enterprise Application Scenarios

  The Dell 540-BCIW ConnectX-5 Ex EN NIC is widely deployed in modern data centers that require high-bandwidth, low-latency networking infrastructure. Its architecture supports a wide range of enterprise applications, making it suitable for hybrid cloud environments, virtualization clusters, and hyperscale computing systems.

  Cloud Computing Infrastructure Optimization

  In cloud environments, network performance plays a critical role in ensuring scalability and responsiveness. This NIC enhances cloud infrastructure by enabling faster VM migration, improved east-west traffic handling, and more efficient resource sharing across distributed systems. Its high bandwidth capacity ensures that cloud service providers can deliver consistent performance to end users even during peak demand periods.

  Artificial Intelligence and Machine Learning Workloads

  AI and machine learning workloads rely heavily on fast data movement between compute nodes and storage systems. The Dell 540-BCIW ConnectX-5 Ex EN NIC supports these requirements by enabling rapid synchronization of large datasets across GPU clusters and distributed training environments. This reduces training time for complex models and enhances overall computational efficiency.

  Virtualization and Hyper-Converged Systems

  Virtualized infrastructures benefit significantly from high-performance networking hardware. This NIC enhances virtual machine density and improves communication between hypervisors by reducing network bottlenecks. In hyper-converged systems, where storage, compute, and networking are tightly integrated, the dual 100GbE ports provide the necessary bandwidth to maintain system stability and responsiveness.

  Advanced Hardware Offload and Acceleration Features

  The Dell 540-BCIW ConnectX-5 Ex EN NIC incorporates a variety of hardware offload features designed to reduce CPU utilization and improve overall system efficiency. These offloads include packet segmentation, checksum calculations, and flow steering mechanisms that enhance data processing performance at the hardware level.

  By offloading these tasks from the CPU, the NIC ensures that server resources are allocated more efficiently, allowing applications to achieve higher throughput and lower latency without requiring additional computational overhead.

  RDMA and Zero-Copy Data Transfer Capabilities

  Remote Direct Memory Access (RDMA) support is a critical feature in high-performance networking environments. The ConnectX-5 architecture enables RDMA over Converged Ethernet (RoCE), allowing systems to transfer data directly between memory spaces without involving the CPU. This zero-copy mechanism significantly reduces latency and improves bandwidth utilization.

  This capability is particularly important in distributed storage systems and high-performance computing clusters where rapid synchronization between nodes is required for optimal performance.

  Intelligent Packet Steering and Flow Management

  The NIC includes advanced flow steering capabilities that intelligently distribute network traffic across available processing cores. This ensures balanced CPU utilization and prevents bottlenecks caused by uneven workload distribution. The system dynamically adapts to changing traffic patterns, optimizing performance in real time.

  Security and Data Integrity Enhancements

  Security is a fundamental requirement in enterprise networking environments, and the Dell 540-BCIW ConnectX-5 Ex EN NIC integrates multiple hardware-based security features to ensure data integrity and protection. These features help safeguard network traffic against unauthorized access, data corruption, and potential vulnerabilities within distributed systems.

  Hardware-level encryption support and secure boot mechanisms ensure that only trusted firmware and configurations are executed, reducing the risk of malicious interference or system compromise.

  Secure Traffic Isolation and Virtualization Security

  In virtualized environments, traffic isolation is critical for maintaining security boundaries between workloads. This NIC provides hardware-assisted isolation mechanisms that ensure secure separation of data streams across virtual machines. This prevents unauthorized data access and enhances multi-tenant security in cloud infrastructures.

  System Compatibility and Integration with Dell Infrastructure

  The Dell 540-BCIW ConnectX-5 Ex EN NIC is fully optimized for integration with Dell PowerEdge server platforms, ensuring seamless compatibility and deployment efficiency. Its design aligns with enterprise hardware standards, allowing for straightforward installation and configuration within existing data center architectures.

  The NIC supports a wide range of operating systems and virtualization platforms, making it a flexible solution for heterogeneous IT environments. Its driver and firmware ecosystem is designed for stability and long-term support in enterprise deployments.

  Thermal Efficiency and Hardware Reliability

  High-performance networking hardware generates significant heat under sustained workloads, and the Dell 540-BCIW ConnectX-5 Ex EN NIC incorporates advanced thermal management technologies to ensure stable operation. Efficient heat dissipation mechanisms allow the card to maintain optimal performance without thermal throttling.

  Reliability is further enhanced through enterprise-grade component selection and rigorous validation testing. This ensures consistent performance across long-term deployments in mission-critical environments.

  Storage Networking Convergence and High-Speed Data Access

  Modern data centers increasingly rely on converged infrastructure where storage and networking traffic share high-speed interconnects. The Dell 540-BCIW ConnectX-5 Ex EN NIC supports this model by enabling fast and efficient data movement between storage arrays and compute nodes.

  This convergence reduces infrastructure complexity while improving performance and scalability. It also enables more efficient utilization of network resources, reducing latency in storage-intensive workloads such as database operations and virtualization storage access.

  Enterprise Performance Benefits and Operational Efficiency

  Organizations deploying this network interface card experience significant improvements in operational efficiency, particularly in environments with high data throughput requirements. The reduction in CPU overhead allows servers to handle more application-level tasks, improving overall system productivity.

  Additionally, the enhanced bandwidth and low-latency capabilities support faster business processes, improved application responsiveness, and more efficient data center scaling strategies.

  Scalable Deployment Scenarios in Modern IT Environments

  The versatility of the Dell 540-BCIW ConnectX-5 Ex EN NIC makes it suitable for a wide range of deployment scenarios. In large-scale cloud data centers, it supports high-density virtualization and distributed computing workloads. In enterprise environments, it enhances internal network performance and improves inter-departmental data exchange efficiency.

  In research and scientific computing environments, it enables fast processing of large datasets and supports parallel computing architectures. Its scalability ensures that it remains relevant across evolving IT infrastructure demands.