UCSC-PCIE-IRJ45 Cisco Intel I350 1Gbps Quad Ports Network Adapter PCI Express

Cisco UCSC-PCIE-IRJ45 4-Port Intel I350 1Gbps Network Adapter 

The Cisco UCSC-PCIE-IRJ45 Quad Ports Network Adapter PCI Express Intel I350 1Gbps represents a high-reliability enterprise networking category designed for server environments that demand stable Gigabit Ethernet performance, low latency communication, and efficient multi-port connectivity. This category is widely deployed in data center infrastructures, virtualization clusters, cloud hosting platforms, and enterprise-grade compute nodes where consistent 1Gbps throughput per port remains a critical requirement. Built on the advanced architecture of the Intel I350 Ethernet Controller developed this adapter category ensures compatibility with modern server platforms while maintaining backward compatibility with legacy network infrastructures.

As part of the Cisco server networking ecosystem from this quad-port RJ45 adapter is engineered to deliver enterprise-grade reliability, advanced virtualization support, and efficient workload distribution. The adapter is commonly used in Cisco UCS rack servers and blade systems, especially where multiple independent network interfaces are required without consuming excessive PCIe slots.

Enterprise-Class Architecture of Intel I350 Based Network Adapters

Intel I350 Controller Design Philosophy

The Intel I350 chipset is widely recognized for its balanced combination of performance, power efficiency, and virtualization capability. Designed for enterprise servers, it integrates multiple hardware acceleration features that offload processing tasks from the CPU, enabling improved system efficiency. The Cisco UCSC-PCIE-IRJ45 adapter leverages this controller to provide four independent Gigabit Ethernet ports, each capable of handling full-duplex 1Gbps data transmission.

Hardware Offloading Capabilities

One of the defining characteristics of the Intel I350 architecture is its support for hardware-based offloading functions. These include checksum offload, segmentation offload, and TCP/UDP processing acceleration. By shifting these workloads away from the server CPU, the adapter ensures reduced latency and improved system responsiveness in high-throughput environments such as virtual machine clusters and database servers.

Energy Efficient Ethernet Optimization

The adapter category also supports Energy Efficient Ethernet (EEE), which dynamically adjusts power consumption based on network activity. This feature is particularly important in large-scale deployments where hundreds or thousands of network interfaces operate simultaneously, significantly reducing operational costs in enterprise data centers.

Quad-Port RJ45 Configuration for Multi-Channel Networking

High-Density Connectivity for Enterprise Servers

The quad-port RJ45 configuration of the Cisco UCSC-PCIE-IRJ45 adapter allows a single PCI Express slot to deliver four independent Gigabit Ethernet interfaces. This design significantly increases port density while conserving valuable expansion slots within server chassis. In dense rack environments, this capability is essential for optimizing hardware utilization and reducing infrastructure complexity.

Traffic Segmentation and Network Isolation

Each of the four ports operates independently, allowing administrators to segment traffic for different workloads such as storage replication, management traffic, virtual machine networking, and backup operations. This segmentation enhances security, reduces congestion, and improves predictable performance across enterprise workloads.

Load Distribution Efficiency

The adapter supports intelligent load distribution mechanisms that balance traffic across multiple ports. This is particularly useful in environments where multiple virtual machines or containerized applications require simultaneous network access without bottlenecking a single interface.

PCI Express Interface and System Integration

PCIe Architecture Advantages

The Cisco UCSC-PCIE-IRJ45 adapter utilizes a PCI Express interface, ensuring high-speed communication between the network controller and the server motherboard. PCIe architecture provides scalable bandwidth and low-latency data transfer, making it ideal for enterprise networking applications that require stable throughput under heavy loads.

Lane Efficiency and Bandwidth Utilization

The adapter is optimized for efficient PCIe lane usage, allowing it to operate within standard server configurations without requiring high-end PCIe x8 or x16 slots. This flexibility ensures compatibility with a wide range of Cisco UCS server models and third-party enterprise systems.

Compatibility with Virtualized Infrastructure

In virtualized environments such as VMware, Hyper-V, and KVM-based systems, the PCIe interface plays a crucial role in enabling SR-IOV (Single Root I/O Virtualization). This allows the physical network adapter to be partitioned into multiple virtual functions, enabling direct assignment to virtual machines for near-native performance.

Performance Capabilities of Cisco UCSC-PCIE-IRJ45 Adapters

1Gbps Per Port Throughput Efficiency

Each port on the Cisco UCSC-PCIE-IRJ45 adapter supports full 1Gbps throughput, enabling a combined aggregate bandwidth of up to 4Gbps across all ports. This makes it suitable for medium to high-density server environments where multiple simultaneous network streams are required.

Low Latency Packet Processing

The Intel I350 controller ensures minimal packet processing delays through optimized interrupt moderation and advanced queue management. These features reduce CPU overhead while maintaining consistent latency performance, which is critical for latency-sensitive applications such as financial trading systems and real-time analytics platforms.

Virtualization and Advanced Network Features

SR-IOV and Virtual Machine Optimization

One of the key advantages of Intel I350-based adapters is their support for SR-IOV technology. This enables the creation of multiple virtual network interfaces that can be assigned directly to virtual machines, bypassing the hypervisor network stack and improving performance significantly.

Virtual NIC Partitioning

Each physical port can be partitioned into multiple virtual functions, allowing cloud environments to efficiently allocate network resources across multiple tenants. This improves scalability and reduces network bottlenecks in multi-tenant architectures.

Hypervisor Compatibility

The Cisco UCSC-PCIE-IRJ45 adapter is compatible with leading virtualization platforms including VMware ESXi, Microsoft Hyper-V, and Linux KVM distributions. This broad compatibility ensures seamless integration into existing enterprise infrastructure.

Compatibility with Cisco UCS Server Ecosystem

Integration with Cisco UCS Platforms

The Cisco UCSC-PCIE-IRJ45 adapter is specifically designed for integration within Cisco Unified Computing System environments. It is commonly used in rack servers where predictable networking performance and centralized management are required.

Firmware and Driver Optimization

Cisco provides optimized firmware and driver packages that ensure full compatibility with UCS management tools. These enhancements allow administrators to monitor, configure, and troubleshoot network interfaces from a centralized interface.

Seamless Hardware Recognition

Within UCS environments, the adapter is automatically recognized and integrated into the service profile system, reducing deployment complexity and improving provisioning speed for new servers.