QSFP-100G-DR Arista 100GBASE-DR QSFP28 Single Lambda 1310nm LC SMF Optical Transceiver

Arista QSFP-100G-DR Optical Transceiver Overview

The Arista QSFP-100G-DR is a high-speed 100GBASE-DR QSFP28 optical transceiver engineered for reliable data transmission across single-mode fiber networks. Designed for enterprise networking, cloud infrastructure, hyperscale data centers, and high-bandwidth applications, this optical module delivers outstanding connectivity, low latency, and dependable long-range communication.

General Information

• Manufacturer: Arista
• Part Number: QSFP-100G-DR
• Product Category: Optical Transceiver Module
• Technology: 100GBASE-DR QSFP28

Technical Specifications

• Transceiver Type: QSFP28
• Ethernet Standard: 100GBASE-DR
• Optical Technology: Single Lambda

100Gbps High-Speed Data Transfer

• Supports ultra-fast 100 Gigabit Ethernet connectivity
• Designed for bandwidth-intensive networking workloads
• Ensures rapid data transmission with low signal degradation

QSFP28 Form Factor

• Compact and hot-swappable QSFP28 transceiver design
• Simplifies installation and maintenance procedures
• Provides high-density connectivity for switches and routers

Single-Mode Fiber Compatibility

• Optimized for Single-Mode Fiber (SMF) environments
• Supports long-distance optical communication with enhanced stability
• Ideal for enterprise backbone and data center interconnect applications

Performance Specifications

• Data Transfer Rate: 100 Gbps
• Maximum Distance: Up to 2 km over SMF
• Low latency optical transmission for mission-critical environments

Wavelength and Signal Quality

• Operating Wavelength: 1310 nm
• Single lambda optical signaling improves efficiency
• Reliable signal integrity for long-distance communication

Connector Interface

• Connector Type: Duplex LC Connector
• Secure fiber connectivity with easy cable management
• Compatible with standard enterprise optical cabling systems

Reliable Data Center Connectivity

• Enables efficient server-to-switch communication
• Supports spine-leaf architecture deployments
• Improves network scalability and operational efficiency

Enhanced Signal Performance

• Stable optical signal transmission across long distances
• Reduced electromagnetic interference compared to copper cabling
• Optimized for high-speed cloud and virtualization environments

Energy-Efficient Networking

• Low power consumption for reduced operational costs
• Efficient thermal management for stable performance
• Suitable for high-density networking deployments

Enterprise Network Integration

• Compatible with supported Arista networking platforms
• Designed for switches, aggregation layers, and optical networking systems
• Supports seamless integration into existing fiber infrastructures

Hot-Swappable Design

• Allows replacement without powering down network equipment
• Minimizes downtime during upgrades or maintenance
• Simplifies large-scale deployment management

Cloud Computing Environments

• Supports hyperscale cloud infrastructure connectivity
• Enables fast communication between storage and compute systems
• Ideal for virtualization and software-defined networking environments

Enterprise Data Centers

• High-speed interconnect for core and aggregation switches
• Reliable optical transmission for mission-critical applications
• Supports scalable network growth and bandwidth expansion

Optical Connectivity

• Supports transmission distances up to 2 km
• Ideal for campus networks and data center interconnects
• Maintains signal quality over single-mode fiber cabling

Efficient Fiber Networking Solution

• Compact QSFP28 form factor saves rack space
• Reliable duplex LC optical connectivity
• Designed for scalable next-generation network infrastructures

Arista QSFP-100G-DR 100GBASE-DR QSFP28 Optical Transceiver

The Arista QSFP-100G-DR 100GBASE-DR QSFP28 Single Lambda 1310nm 500m DOM Duplex LC SMF Optical Transceiver is engineered for high-speed Ethernet connectivity in modern enterprise, hyperscale, and cloud-based networking infrastructures. Designed to support 100 Gigabit Ethernet communication over single-mode fiber, this optical module delivers stable data transmission with low latency and outstanding signal integrity. The transceiver operates with a single wavelength architecture at 1310nm, making it highly efficient for dense networking environments that demand scalable bandwidth and simplified optical infrastructure.

Built around the QSFP28 form factor, the transceiver supports compact high-density deployments in switches, routers, aggregation platforms, and data center interconnect applications. The module complies with industry-standard specifications for interoperability and performance consistency. Its support for 100GBASE-DR networking enables seamless communication between distributed computing resources while maintaining exceptional throughput and minimal packet loss.

The integration of Digital Optical Monitoring functionality allows administrators to observe operating parameters in real time. This capability improves visibility into optical performance and assists in proactive network maintenance. Enterprises that require reliable connectivity for mission-critical workloads often choose this transceiver category because of its balance between transmission reach, efficiency, and operational reliability.

Single Lambda 1310nm Optical Architecture

Single lambda technology represents a significant advancement in optical communication systems. Unlike traditional parallel optics that rely on multiple optical lanes, the Arista QSFP-100G-DR transceiver uses a single wavelength channel operating at 1310nm to transmit high-speed data. This design simplifies optical deployment and reduces cabling complexity within high-density environments.

The 1310nm wavelength is widely recognized for its stability and compatibility with single-mode fiber infrastructure. It delivers excellent transmission characteristics over medium-distance optical links while maintaining low attenuation and reduced dispersion. This makes the transceiver suitable for spine-and-leaf architectures, data center aggregation layers, and cloud networking fabrics where efficient signal transmission is critical.

The use of duplex LC connectors further streamlines cabling management. Duplex LC connectivity is compact, reliable, and easy to maintain, enabling efficient rack organization and airflow optimization in enterprise data centers. The connector format is also highly compatible with modern fiber patching systems and structured cabling frameworks.

QSFP28 Form Factor Advantages

The QSFP28 form factor has become an industry standard for 100 Gigabit Ethernet connectivity due to its compact design and high bandwidth density. The Arista QSFP-100G-DR module leverages this architecture to support high-performance switching platforms while minimizing power consumption and maximizing port scalability.

Data center operators benefit from the compact dimensions of QSFP28 modules because they enable greater port density within network switches. Higher density allows organizations to expand network capacity without increasing physical infrastructure requirements. This contributes to reduced operational costs, improved rack utilization, and enhanced cooling efficiency.

The hot-swappable capability of QSFP28 transceivers allows technicians to replace or upgrade modules without shutting down networking equipment. This reduces downtime and supports continuous business operations. In large-scale environments where uptime is critical, hot-swappable transceivers simplify maintenance procedures and minimize service interruptions.

100GBASE-DR Networking Applications

100GBASE-DR technology is specifically designed for high-speed optical communication over single-mode fiber at distances up to 500 meters. The Arista QSFP-100G-DR transceiver is optimized for these applications, making it suitable for modern data centers, enterprise campuses, and distributed cloud environments.

Organizations deploying artificial intelligence clusters, virtualization platforms, storage area networks, and cloud computing frameworks require high-bandwidth interconnects capable of supporting massive east-west traffic flows. This optical transceiver category fulfills those requirements by delivering dependable 100GbE connectivity with consistent performance characteristics.

In spine-and-leaf architectures, the module enables rapid communication between leaf switches and aggregation layers. The high throughput provided by the transceiver minimizes bottlenecks and enhances application responsiveness. As enterprises continue adopting latency-sensitive workloads such as real-time analytics and virtual desktop infrastructure, reliable optical interconnects become increasingly important.

Data Center Interconnect Deployments

Data center interconnect environments rely heavily on optical transceivers that can sustain high bandwidth utilization while preserving signal integrity. The Arista QSFP-100G-DR module is frequently used to establish connections between racks, rows, or adjacent data halls within modern facilities.

Its support for single-mode fiber enables efficient long-distance communication compared to multimode alternatives. This provides greater deployment flexibility while maintaining future scalability. Network architects often select 100GBASE-DR modules for structured cabling systems because they simplify migration strategies toward higher-speed Ethernet standards.

The reduced cabling complexity associated with single lambda technology also enhances operational efficiency. Fewer optical lanes translate into streamlined infrastructure management and simplified troubleshooting procedures. This can significantly improve maintenance workflows in hyperscale data center operations.

Enterprise Networking Environments

Large enterprise organizations frequently deploy 100 Gigabit Ethernet connectivity to support bandwidth-intensive applications and growing user demands. The Arista QSFP-100G-DR optical transceiver category provides a dependable solution for enterprise core networking, aggregation, and server connectivity.

Applications such as unified communications, cloud-hosted collaboration platforms, database replication, and enterprise storage require reliable high-speed links to maintain consistent user experiences. The transceiver’s ability to support stable 100GbE communication over single-mode fiber contributes to improved productivity and network efficiency.

Financial institutions, healthcare providers, educational campuses, and government agencies benefit from the scalability of 100GBASE-DR networking. The module supports long-term infrastructure growth while maintaining compatibility with standardized Ethernet ecosystems.

Digital Optical Monitoring and Network Visibility

Digital Optical Monitoring technology plays an essential role in modern optical networking environments. The Arista QSFP-100G-DR transceiver incorporates DOM capabilities that provide administrators with real-time access to important operational metrics.

Monitoring functions typically include optical transmit power, receive power, module temperature, supply voltage, and laser bias current. These insights enable proactive diagnostics and predictive maintenance, reducing the likelihood of unexpected network failures.

By continuously tracking optical performance, network administrators can quickly identify degradation trends and resolve issues before they impact production workloads. This contributes to improved network reliability and reduced operational risk.

Temperature and Power 

Optical transceivers operate within defined thermal and electrical parameters. Excessive heat or unstable voltage conditions can negatively affect performance and component longevity. The DOM functionality integrated into the Arista QSFP-100G-DR module allows real-time observation of these operating conditions.

Administrators can use monitoring data to optimize airflow management, cooling strategies, and power distribution across networking equipment. In large-scale data centers where thousands of optical modules are deployed, continuous visibility into operational metrics is critical for maintaining infrastructure health.

Efficient thermal management also contributes to improved energy efficiency. Lower power consumption and controlled heat generation help reduce operational expenses while supporting environmentally conscious data center initiatives.

Proactive Maintenance Benefits

Traditional reactive maintenance models often result in unexpected downtime and costly troubleshooting processes. Digital Optical Monitoring enables a more proactive operational strategy by identifying anomalies before service interruptions occur.

Network engineers can analyze trends related to optical signal strength, temperature fluctuations, and component stability. This information helps determine when transceivers require replacement or when fiber infrastructure needs inspection.

Proactive maintenance improves network availability and enhances the overall lifecycle management of optical networking equipment. Organizations with mission-critical infrastructure particularly benefit from the predictive insights offered by DOM-enabled transceivers.

Single-Mode Fiber Compatibility

The Arista QSFP-100G-DR transceiver is specifically designed for deployment over single-mode fiber cabling systems. Single-mode fiber is widely preferred in modern enterprise and cloud networking environments because of its superior distance capabilities and reduced signal attenuation.

Compared to multimode fiber solutions, single-mode infrastructure provides greater scalability for future network expansion. Organizations investing in high-speed optical networking often choose single-mode cabling because it supports longer transmission distances and higher bandwidth capacities across evolving Ethernet standards.

The use of duplex LC connectors enhances compatibility with standardized fiber patch panels and structured cabling systems. This allows seamless integration into existing enterprise networking environments while simplifying installation and maintenance procedures.

Benefits of Duplex LC Connectivity

Duplex LC connectors are among the most commonly used optical interfaces in modern networking infrastructure. Their compact size supports high-density deployments, making them ideal for data centers where rack space optimization is essential.

The secure latching mechanism of LC connectors helps maintain stable optical connections even in environments with significant cable movement or vibration. Reliable physical connectivity contributes to consistent network performance and minimizes the risk of signal disruption.

LC connectivity also simplifies cable management. Organized fiber routing improves airflow efficiency and reduces maintenance complexity within densely populated networking cabinets.

Scalability of Single-Mode Infrastructure

Single-mode fiber infrastructure provides a future-ready foundation for high-speed Ethernet deployments. As network bandwidth requirements continue increasing, organizations require optical cabling systems capable of supporting next-generation technologies.

The Arista QSFP-100G-DR module aligns with these scalability objectives by operating within standardized single-mode fiber ecosystems. Enterprises can expand network capacity while maintaining compatibility with existing cabling investments.

Future migration paths toward 200GbE and 400GbE technologies often rely on single-mode fiber architectures. Deploying 100GBASE-DR optical modules within these environments supports smoother transition strategies and reduced infrastructure replacement costs.

Performance Characteristics and Operational Efficiency

High-performance networking environments demand optical transceivers capable of delivering stable throughput under continuous workloads. The Arista QSFP-100G-DR module is engineered to support intensive data traffic with minimal latency and exceptional reliability.

Its optimized optical design helps maintain low bit error rates while supporting high-speed packet transmission. Stable performance is essential for applications involving virtualization, cloud orchestration, distributed storage, and high-frequency computing operations.

The transceiver’s efficient power profile also contributes to reduced operational costs. Lower energy consumption helps data centers manage thermal output while supporting sustainability initiatives.

Low Latency Communication

Latency is a critical factor in modern network design. Applications such as financial trading systems, real-time analytics, machine learning platforms, and media streaming services require rapid data transmission between computing resources.

The Arista QSFP-100G-DR transceiver supports low-latency optical communication by maintaining efficient signal propagation across single-mode fiber links. Reduced transmission delay contributes to improved application responsiveness and better overall user experiences.

Low-latency networking also benefits distributed computing frameworks where synchronized communication between nodes is essential for maintaining processing efficiency and workload consistency.

Energy-Efficient Operation

Power efficiency is increasingly important in enterprise and hyperscale networking environments. High-density switch deployments can generate substantial thermal output, requiring effective cooling strategies to maintain reliable operation.

The compact QSFP28 architecture and optimized optical design of the Arista QSFP-100G-DR transceiver help minimize power consumption while sustaining high-speed data transmission. Reduced energy requirements contribute to lower operational expenses and improved environmental sustainability.

Energy-efficient networking components also support green data center initiatives focused on reducing carbon emissions and optimizing infrastructure utilization.

Compatibility with Modern Networking Platforms

The Arista QSFP-100G-DR optical transceiver category is designed to integrate seamlessly with modern Ethernet switching and routing platforms. Compatibility with industry standards ensures interoperability across diverse networking ecosystems.

Organizations deploying Arista switching infrastructure benefit from optimized integration and validated operational performance. The module supports consistent communication between networking devices while maintaining standardized Ethernet functionality.

Interoperability is essential in heterogeneous environments where equipment from multiple vendors may coexist. Standards-based optical transceivers simplify infrastructure planning and reduce deployment complexity.

Cloud and Hyperscale Networking

Cloud service providers and hyperscale operators require networking solutions capable of supporting enormous traffic volumes and rapidly expanding infrastructure demands. The Arista QSFP-100G-DR module is suitable for these environments because of its scalability, efficiency, and high-performance optical architecture.

Hyperscale data centers often rely on spine-and-leaf topologies that require massive numbers of high-speed optical connections. Compact QSFP28 transceivers enable dense switch deployments while preserving operational efficiency.

The transceiver’s ability to support reliable 100GbE communication over single-mode fiber contributes to stable cloud service delivery and efficient resource distribution across large-scale computing environments.

Virtualization and Storage Networks

Virtualized computing infrastructures generate substantial east-west traffic between servers, storage arrays, and networking equipment. The Arista QSFP-100G-DR optical transceiver provides the bandwidth necessary to support these demanding workloads.

Storage environments involving NVMe over Fabrics, distributed file systems, and software-defined storage platforms particularly benefit from high-speed optical connectivity. Reliable 100 Gigabit Ethernet communication helps maintain rapid data access and consistent storage performance.

As virtualization density continues increasing within enterprise data centers, scalable optical networking becomes essential for sustaining infrastructure responsiveness and operational continuity.

Optical Reliability and Signal Integrity

Reliable optical communication depends on precise signal transmission and stable component operation. The Arista QSFP-100G-DR transceiver is engineered to maintain strong signal integrity across supported distances while minimizing transmission errors.

High-quality optical components help ensure dependable laser stability and accurate data encoding. Consistent optical performance is critical for maintaining uninterrupted communication within enterprise and cloud networking environments.

Signal integrity also influences overall network efficiency. Reduced retransmissions and lower error rates contribute to improved bandwidth utilization and more predictable application performance.

Optical Precision

The single lambda 1310nm optical design used in the transceiver supports accurate signal transmission over single-mode fiber infrastructure. Stable laser operation helps maintain reliable connectivity under varying environmental conditions.

Optical precision is especially important in high-density networking environments where large numbers of transceivers operate simultaneously. Consistent performance across all deployed modules contributes to improved infrastructure reliability and simplified network management.

Advanced optical engineering also supports reduced electromagnetic interference and improved transmission consistency within complex enterprise deployments.