DS-SFP-FC8G-LW Cisco 8GBPS Fibre Channel SFP+ Transceiver

Cisco DS-SFP-FC8G-LW 8Gb Fibre Channel SFP+ Transceiver

The Cisco DS-SFP-FC8G-LW is a high-performance Fibre Channel SFP+ transceiver designed for enterprise storage area networks (SANs). Engineered to deliver reliable long-distance optical connectivity, this hot-swappable module enables high-speed 8 Gbps Fibre Channel communication while maintaining compatibility with existing network infrastructures. Its compact plug-in form factor allows quick installation and effortless maintenance in compatible Cisco networking equipment.

General Product Information

Manufacturer Details

• Manufacturer: Cisco
• Model Number: DS-SFP-FC8G-LW
• Product Category: Fibre Channel SFP+ Transceiver Module
• Form Factor: GBIC/SFP Plug-in Module

Technical Specifications

Hardware Specifications

• Device Type: SFP+ Optical Transceiver
• Connector Type: LC Duplex
• Media Type: Fiber Optic
• Optical Technology: Long Wave (LW)
• Network Standard: 8 Gigabit Fibre Channel
• Installation: Hot-swappable Plug-in Module

Physical Dimensions

• Width: 0.6 inches
• Depth: 2.2 inches
• Height: 0.4 inches

Performance Benefits

The Cisco DS-SFP-FC8G-LW transceiver delivers consistent optical performance for demanding storage networking applications. Its long-wave laser technology supports stable data transmission across greater fiber distances, making it suitable for large enterprise data centers and mission-critical SAN deployments. The module is engineered to minimize signal loss while maintaining high throughput and network reliability.

Key Advantages

• Reliable high-speed Fibre Channel connectivity
• Enhanced network availability with enterprise-grade optical performance
• Supports long-distance fiber communication
• Easy plug-and-play installation with hot-swap capability
• Compact design for efficient use of switch port density
• Reduced downtime during upgrades and maintenance

Recommended Deployment Scenarios

• Enterprise Storage Area Networks (SAN)
• Data center Fibre Channel switches
• Storage virtualization environments
• Business continuity and disaster recovery networks
• High-performance storage connectivity
• Mission-critical server and storage interconnects

Cisco DS-SFP-FC8G-LW Fibre Channel SFP+ Transceiver Module

The Cisco DS-SFP-FC8G-LW 8 Gbps Fibre Channel SFP+ Transceiver Module is a high-performance long-wave optical transceiver designed to support reliable Fibre Channel connectivity across enterprise storage area networks (SANs). Engineered for high-speed data transmission, this SFP+ module provides seamless communication between Fibre Channel switches, storage arrays, blade servers, directors, and other networking infrastructure that requires dependable long-distance optical connectivity. Organizations deploying mission-critical storage environments rely on this transceiver to maintain low-latency communication, exceptional signal integrity, and consistent network availability while supporting evolving storage workloads.

Designed specifically for 8 Gbps Fibre Channel environments, the Cisco DS-SFP-FC8G-LW module enables organizations to extend storage connectivity over single-mode fiber while maintaining excellent optical performance. Whether installed in enterprise data centers, virtualization platforms, disaster recovery sites, cloud infrastructures, financial institutions, healthcare organizations, or government facilities, this optical module delivers the performance required for demanding storage applications.

As storage infrastructures continue to grow in complexity, organizations require optical transceivers capable of supporting high bandwidth, minimal transmission errors, and long-distance communication without sacrificing reliability. The Cisco DS-SFP-FC8G-LW fulfills these requirements by combining Cisco engineering, strict manufacturing standards, and comprehensive interoperability with supported Cisco Fibre Channel platforms.

Designed for Enterprise Fibre Channel Storage Networks

Modern enterprises depend heavily on Storage Area Networks to support databases, virtual machines, backup systems, business applications, analytics platforms, and cloud services. Fibre Channel remains one of the most trusted storage networking technologies because of its dedicated bandwidth, predictable latency, high reliability, and robust error handling.

The Cisco DS-SFP-FC8G-LW module is specifically engineered for these SAN environments. It enables storage administrators to deploy long-distance Fibre Channel links while preserving network stability and maximizing throughput. By using laser-based optical transmission over single-mode fiber, the transceiver supports communication between geographically separated infrastructure components without introducing significant performance degradation.

Reliable Optical Connectivity

Optical networking provides numerous advantages over traditional copper connections in enterprise storage infrastructures. Long-distance transmission, reduced electromagnetic interference, improved signal integrity, lower attenuation, and greater scalability make optical Fibre Channel connections the preferred choice for critical storage deployments.

The Cisco DS-SFP-FC8G-LW leverages these advantages by providing stable laser transmission that maintains data accuracy over extended distances while supporting consistent Fibre Channel performance.

Long-Distance Storage Communication

Unlike short-wave optical modules that are intended for nearby equipment within the same rack or data hall, the DS-SFP-FC8G-LW is optimized for long-wave transmission over single-mode fiber. This capability enables organizations to interconnect equipment located in different rooms, buildings, campuses, or disaster recovery facilities while maintaining dependable Fibre Channel communication.

Key Features of Cisco DS-SFP-FC8G-LW Modules

8 Gbps Fibre Channel Performance

The module supports high-speed 8 Gbps Fibre Channel connectivity, enabling storage environments to efficiently handle increasing workloads generated by virtualization, enterprise applications, cloud platforms, backup operations, and database transactions. High-speed Fibre Channel communication minimizes storage bottlenecks while maintaining fast response times for connected devices.

Single-Mode Fiber Compatibility

The Cisco DS-SFP-FC8G-LW is intended for deployment over single-mode optical fiber. Single-mode fiber provides significantly longer transmission distances compared to multimode fiber while maintaining exceptional signal quality. This makes it ideal for enterprise backbone infrastructure and inter-building connectivity.

Hot-Swappable Design

The hot-pluggable SFP+ form factor allows network administrators to install or replace the module without powering down the host switch or storage device. This minimizes operational disruption and simplifies maintenance activities within production environments.

Long-Wave Laser Technology

Long-wave laser transmission provides stable optical communication over extended distances. The precision laser design helps reduce transmission errors while supporting consistent Fibre Channel performance across enterprise optical infrastructures.

Compact SFP+ Form Factor

The compact Small Form-factor Pluggable Plus (SFP+) design allows high-density switch deployments. Data center administrators can maximize available switch ports while minimizing rack space consumption and improving overall infrastructure scalability.

Benefits of Deploying Cisco Fibre Channel Optical Modules

Improved Storage Availability

Reliable optical communication contributes directly to storage availability. Critical applications depend on uninterrupted access to storage arrays, making dependable Fibre Channel links essential for enterprise operations.

The Cisco DS-SFP-FC8G-LW helps reduce communication interruptions by maintaining stable optical transmission and consistent Fibre Channel connectivity.

Enhanced Data Integrity

Storage traffic requires extremely high levels of data accuracy. Even minor transmission errors can affect application performance, database consistency, or backup operations. Cisco optical modules are engineered to maintain reliable signal quality throughout the communication process.

Reduced Electromagnetic Interference

Unlike copper cabling, optical fiber is immune to electromagnetic interference (EMI). This improves signal stability in environments containing high-power electrical equipment, dense server racks, industrial systems, and telecommunications infrastructure.

Excellent Scalability

Enterprise storage networks rarely remain static. Organizations frequently expand server infrastructure, storage capacity, virtualization clusters, and cloud services. The Cisco DS-SFP-FC8G-LW supports scalable Fibre Channel architectures that can accommodate future growth while preserving network consistency.

Applications Across Enterprise Industries

Enterprise Data Centers

Large data centers utilize Fibre Channel storage networks to support mission-critical workloads including enterprise resource planning systems, financial applications, virtualization clusters, artificial intelligence platforms, high-performance databases, and business continuity solutions.

The Cisco DS-SFP-FC8G-LW enables dependable long-distance optical connectivity between storage switches, directors, SAN fabrics, storage arrays, and blade server environments.

Virtualization Platforms

Virtualized infrastructures require continuous communication between hosts and shared storage. Fibre Channel provides deterministic storage performance that supports live migration, clustering, high availability, and workload balancing.

The DS-SFP-FC8G-LW helps maintain reliable storage communication across virtualization clusters.

Disaster Recovery Infrastructure

Business continuity strategies frequently require storage replication between primary and secondary data centers. Long-wave optical transceivers enable geographically separated Fibre Channel connections that support replication, failover, backup, and recovery operations.

Healthcare Organizations

Hospitals, medical research institutions, diagnostic laboratories, and healthcare providers manage enormous volumes of electronic medical records, imaging systems, laboratory databases, and patient management platforms.

Reliable Fibre Channel connectivity ensures storage systems remain accessible for healthcare professionals around the clock.

Financial Services

Banks, insurance companies, stock exchanges, and investment firms process millions of secure transactions every day. Storage infrastructure reliability directly affects business continuity, regulatory compliance, and customer experience.

The Cisco DS-SFP-FC8G-LW supports dependable storage connectivity for high-performance financial applications.

Government Agencies

Government organizations operate secure data centers supporting defense, public services, taxation, administration, emergency response, and citizen information systems. Fibre Channel storage networks provide the reliability required for these mission-critical environments.

Storage Infrastructure Compatibility

Fibre Channel Switches

The Cisco DS-SFP-FC8G-LW is designed for use with compatible Cisco Fibre Channel switches supporting SFP+ optical interfaces. These switches serve as the backbone of enterprise SAN deployments.

Storage Arrays

Modern enterprise storage arrays depend on high-speed Fibre Channel connectivity for efficient data transfer between servers and storage resources. Long-wave optical modules facilitate stable communication while minimizing latency.

Blade Server Infrastructure

Blade server environments frequently require centralized storage connectivity. Fibre Channel modules enable blade chassis to communicate efficiently with shared storage arrays while maintaining consistent application performance.

Storage Directors

Large-scale SAN architectures often include Fibre Channel directors responsible for managing extensive storage fabrics. Cisco long-wave transceivers provide dependable optical communication between directors and connected infrastructure.

Advantages of Single-Mode Fiber Deployments

Extended Distance Support

Single-mode fiber enables significantly longer communication distances compared to multimode fiber. Organizations connecting remote facilities, campus buildings, disaster recovery sites, or geographically separated infrastructure benefit from these extended transmission capabilities.

Lower Signal Attenuation

Single-mode optical fiber minimizes signal loss over long distances, allowing storage traffic to maintain high integrity throughout transmission.

Future Infrastructure Readiness

Many organizations invest in single-mode fiber infrastructure because it supports future networking technologies and higher bandwidth requirements while protecting long-term infrastructure investments.

Performance Characteristics

Low Latency Communication

Enterprise storage applications require extremely low latency. Fibre Channel networks deliver predictable communication characteristics that support databases, virtualization platforms, transactional systems, and business-critical workloads.

Stable Optical Signal Quality

The Cisco DS-SFP-FC8G-LW maintains consistent optical transmission characteristics that contribute to dependable Fibre Channel communication even within large enterprise environments.

Error Reduction

Reliable optical transmission reduces retransmissions and communication errors, helping improve overall storage network efficiency and application responsiveness.