AA176372 Dell 25GbE SFP28 LC-LC 850nm SR Transceiver Module

Overview of the Dell AA176372 25GbE SFP28 Transceiver

Dell AA176372 is a high-performance 25GbE SFP28 optical transceiver designed for fast and reliable data transmission across enterprise and data center environments. This LC-LC duplex module operates at 850nm wavelength using short-range multimode fiber technology, delivering stable 25 Gigabit Ethernet connectivity with a reach of up to 100 meters. It is engineered to support modern networking infrastructures requiring low latency, high bandwidth, and efficient optical communication between switches, servers, and storage systems.

General Information

• Manufacturer: Dell
• Model Number: AA176372
• Product Type: Optical Transceiver Module
• Category: SFP28 Form Factor Networking Component

Technical Specifications

• Connector Interface: LC Duplex (Multi-Mode Fiber)
• Supported Standard: 25GBASE-SR Ethernet Protocol
• Maximum Bandwidth: 25 Gbps Data Rate
• Optical Wavelength: 850 nm for short-range transmission
• Network Compatibility: High-speed Ethernet data communication systems

Compatibility

• Dell Networking switches with SFP28 25G ports
• Dell PowerSwitch series supporting 25GbE uplinks
• Enterprise servers equipped with SFP28 network interface cards
• Data center spine-leaf architecture networks
• Storage area networks requiring high bandwidth optical links
• Third-party networking devices supporting 25GBASE-SR standard

The Dell AA176372 25GbE SFP28 LC-LC 850nm SR Transceiver

The Dell AA176372 25GbE SFP28 LC-LC 850nm SR transceiver module is a high-performance optical networking component designed to support modern data center, enterprise, and cloud-scale networking infrastructures. It delivers 25 Gigabit Ethernet connectivity over short-reach multimode fiber links, enabling fast, stable, and efficient data transmission between network devices such as switches, routers, servers, and storage systems. Built for reliability and high bandwidth environments, this module plays a critical role in ensuring low latency and high throughput communication in dense networking architectures.

This category of transceiver modules is widely used in environments where fast data transfer and compact, energy-efficient networking solutions are required. The Dell AA176372 is specifically engineered for compatibility with SFP28 ports, supporting next-generation Ethernet speeds while maintaining backward compatibility with lower-speed standards when required by network infrastructure.

High-Speed 25GbE Networking Architecture

25 Gigabit Ethernet represents an important step in network evolution, bridging the gap between 10GbE and 40GbE technologies. The Dell AA176372 module is designed to operate at 25 Gbps per lane, making it ideal for high-density server environments and data-intensive workloads. This speed improvement enables organizations to handle larger volumes of traffic, including virtualization workloads, cloud computing services, and real-time analytics.

The architecture behind 25GbE technology focuses on optimizing lane efficiency and reducing overhead, allowing a single optical channel to carry significantly more data without increasing physical infrastructure complexity. This ensures that enterprises can scale performance without major redesigns of their existing network layouts.

SFP28 Form Factor and Advantages

The SFP28 form factor is a compact and hot-swappable design that enhances flexibility and ease of deployment in network environments. The Dell AA176372 module fits into standard SFP28 ports, ensuring compatibility with a wide range of networking hardware. Its small size allows for higher port density on switches and patch panels, making it ideal for data centers where space optimization is critical.

Hot-swappability ensures that the module can be installed or replaced without shutting down the system, reducing downtime and improving operational efficiency. This feature is especially valuable in mission-critical environments where continuous uptime is required.

850nm Optical Technology

The Dell AA176372 transceiver operates at an 850nm wavelength, which is commonly used for short-reach optical communication over multimode fiber. This wavelength is optimized for cost-effective high-speed transmission within data centers and enterprise networks where distances typically do not exceed 100 meters.

Short reach optical technology provides a balance between performance and cost efficiency, allowing organizations to deploy high-speed links without the need for expensive long-haul fiber infrastructure. The 850nm signal is well-suited for high-bandwidth applications where devices are located in close proximity, such as server racks and adjacent networking cabinets.

LC-LC Connector Interface

The module utilizes LC-LC duplex connectors, which are widely recognized for their compact size and reliable performance in fiber optic networks. LC connectors allow for secure, low-loss connections between optical fibers, ensuring signal integrity even in high-density environments.

The duplex configuration supports simultaneous transmission and reception of data, enabling full-duplex communication. This ensures that data flows efficiently in both directions without bottlenecks, which is essential for modern bidirectional network traffic.

Multimode Fiber Compatibility and Capability

The Dell AA176372 module is designed for use with multimode fiber cables, typically OM3 and OM4 types, which are optimized for short-range, high-speed data transmission. The module supports transmission distances of up to 100 meters, depending on fiber quality and installation conditions.

Multimode fiber provides a cost-effective solution for intra-data center connectivity, where high bandwidth and short distances are common. The design ensures minimal signal degradation over supported distances, maintaining high performance and reliability.

Performance Optimization

Maintaining signal integrity is a critical aspect of optical transceiver performance. The Dell AA176372 module is engineered with advanced signal processing capabilities to minimize distortion and ensure stable data transmission. It reduces bit error rates and maintains consistent performance even under heavy network loads.

The optical design helps reduce attenuation and ensures that the transmitted signal remains strong and clear across supported distances. This is essential for maintaining reliable communication between network devices in high-speed environments.

Network Scalability and Flexibility

Scalability is a fundamental requirement for growing network infrastructures. The Dell AA176372 supports scalable deployment strategies, allowing organizations to expand their network capacity without replacing existing hardware. Its compatibility with SFP28 ports ensures seamless integration into existing network architectures.

This flexibility enables gradual upgrades from lower-speed networks to higher-speed environments, supporting long-term infrastructure evolution without significant disruption.

Cloud Computing

Cloud environments require scalable and high-speed networking solutions to support dynamic workloads. The Dell AA176372 module plays a key role in enabling communication between virtual machines, containers, and distributed computing resources.

Its high bandwidth capability ensures smooth operation of cloud services, allowing multiple users and applications to access shared resources without performance degradation.

Large-Scale Deployments

When deployed across hundreds or thousands of ports, energy efficiency becomes a critical factor. The low-power design of the Dell AA176372 helps reduce total energy consumption, contributing to lower operational costs and improved environmental sustainability.

Efficient power usage also reduces cooling requirements, further optimizing data center operations.

Deployment in High-Performance Computing Environments

High-performance computing systems require extremely fast and reliable network connections. The Dell AA176372 module supports these requirements by delivering high throughput and low latency communication between compute nodes.

This makes it suitable for scientific computing, simulations, and data analysis workloads that require rapid data exchange.

Future-Ready 25GbE Infrastructure

As network demands continue to grow, 25GbE technology provides a foundation for future expansion. The Dell AA176372 module enables organizations to prepare their infrastructure for increasing data requirements without major redesigns.

Its compatibility, scalability, and performance make it a key component in modern network evolution strategies.