BCM95719A1904G Broadcom 4 Ports NIC 1GbE PCI-E 2.0 X4

The Broadcom BCM95719A1904G 4-Port Interface Card 

The Broadcom BCM95719A1904G 4 Ports Network Interface Card 1GbE PCI-E 2.0 x4 is an enterprise-grade Ethernet adapter designed to deliver stable, scalable, and cost-efficient Gigabit networking for server environments, virtualization platforms, and business-critical data infrastructure. Built on Broadcom’s trusted NetXtreme Ethernet controller architecture, this quad-port NIC provides four independent 1 Gigabit Ethernet interfaces through RJ-45 copper connectivity, enabling flexible network segmentation, redundancy, and load distribution across modern IT systems. This network interface card is widely deployed in enterprise servers, storage appliances, virtualization hosts, and data center edge nodes where multiple network connections are required without upgrading to higher-cost 10GbE or fiber-based infrastructures. Its PCI Express 2.0 x4 interface ensures reliable data throughput while maintaining compatibility with a broad range of server motherboards and rack-mounted systems.

Broadcom NetXtreme Ethernet Controller

At the core of the BCM95719A1904G lies Broadcom’s NetXtreme Ethernet controller technology, engineered for dependable Gigabit networking performance across multiple ports. The controller is optimized for efficient packet processing, reduced CPU overhead, and stable data transmission under sustained workloads. By distributing network traffic across four independent ports, the adapter enhances overall network efficiency and improves system resilience in demanding enterprise environments. The architecture is designed to handle simultaneous network streams without degradation in performance, making it ideal for multi-service servers where database access, file sharing, virtualization traffic, and management networks operate concurrently.

PCI Express 2.0 x4 Interface

The PCI Express 2.0 x4 interface provides a balanced connection between the network adapter and the host system, ensuring sufficient bandwidth for four Gigabit Ethernet ports operating at full capacity. PCIe 2.0 architecture delivers efficient parallel data transfer capabilities, minimizing latency between system memory and network processing units. This interface ensures compatibility with a wide range of enterprise and legacy server platforms, allowing seamless integration into existing infrastructure without requiring motherboard upgrades or system redesigns.

Quad-Port RJ-45 Copper Connectivity

The BCM95719A1904G features four RJ-45 Ethernet ports, supporting standard copper cabling such as Cat5e, Cat6, and higher-grade Ethernet cables. This ensures easy deployment in existing network environments without the need for fiber optic infrastructure. The quad-port configuration enables flexible network topology design, including traffic isolation, redundancy paths, and multi-network segmentation. RJ-45 connectivity remains one of the most widely used networking standards in enterprise environments due to its affordability, reliability, and ease of deployment, making this adapter suitable for both modern and legacy systems.

Four-Port Gigabit Ethernet Performance Capabilities

Each port on the Broadcom BCM95719A1904G supports full 1 Gigabit per second Ethernet performance, enabling efficient handling of multiple simultaneous network connections. The quad-port architecture allows servers to distribute traffic across multiple interfaces, improving bandwidth utilization and reducing congestion in high-traffic environments. This is particularly beneficial in environments such as file servers, virtualization hosts, and application servers where multiple services rely on consistent and stable network connectivity.

Link Aggregation and Combined Bandwidth Modes

The BCM95719A1904G supports link aggregation techniques that allow multiple ports to function together as a unified logical interface. This increases total available bandwidth while providing redundancy in case of port failure. Aggregation is particularly useful in high-throughput environments where data transfer demands exceed single-port capacity. This capability enhances scalability and ensures that network infrastructure can grow alongside organizational requirements without requiring hardware replacement.

Performance Optimization and Efficient Packet Processing

The adapter includes advanced hardware offloading capabilities designed to reduce CPU utilization and improve system efficiency. Network processing tasks such as checksum calculation, segmentation, and packet classification are handled directly by the NIC hardware, allowing server CPUs to focus on application-level workloads.

Low Latency Data Transmission Design

The BCM95719A1904G is engineered to minimize latency across all four ports, ensuring fast and responsive data transmission between connected systems. Low latency networking is essential for enterprise applications that require real-time communication, such as database transactions, virtualization workloads, and internal application services.

Hypervisor and Platform Compatibility

The BCM95719A1904G supports major virtualization platforms and hypervisors used in enterprise environments. This ensures seamless integration into cloud infrastructure, private data centers, and virtualized server deployments without requiring extensive configuration changes.

Multi-Tenant Network Isolation

In environments where multiple users or departments share infrastructure, the adapter supports network isolation techniques that separate traffic across different ports or virtual interfaces. This improves security, performance stability, and resource allocation efficiency.

iSCSI Network Storage Support

The BCM95719A1904G supports iSCSI storage networking, enabling servers to access remote storage devices over Ethernet. This eliminates the need for dedicated storage networks in smaller deployments while maintaining reliable performance. The quad-port configuration enhances storage traffic distribution, improving performance in backup systems and small-scale storage clusters.

Multi-Platform OS Support

The adapter supports a wide range of operating systems, including Windows Server editions, Linux distributions, and virtualization platforms. This ensures broad compatibility across diverse IT infrastructures.

Seamless Server Integration

Designed for PCIe 2.0 x4 slots, the adapter integrates easily into enterprise servers, ensuring straightforward installation and deployment without requiring hardware modifications.

Internal Communication and Management Networks

The adapter is ideal for internal communication systems, including management networks, monitoring systems, and administrative services that require isolated and reliable connectivity.