FTL410QD2C Finisar 40GBASE-SR4 4X10GBASE-SR QSFP+ Transceiver 300m

Finisar FTL410QD2C Transceiver Module

The Finisar FTL410QD2C is a high-speed 40GbE QSFP+ optical transceiver engineered for advanced data center and enterprise networking environments. Designed for reliable short-range optical communication, this module delivers exceptional bandwidth performance, low latency transmission, and efficient connectivity for modern high-density infrastructure systems.

Product Specifications

• Brand: Finisar
• Model: FTL410QD2C
• Product Type: Transceiver

High-Performance 40 Gigabit Ethernet Optical Solution

• Supports ultra-fast 40 Gbps data transmission rate
• Based on QSFP+ form factor for compact deployment
• Designed for 40 Gigabit Ethernet (40GbE) networks
• Optimized for short-range optical communication links
• Reliable wired optical connectivity for enterprise systems

Wavelength and Signal Performance

• 850 nm VCSEL-based optical transmission
• High signal stability for data center interconnects
• Reduced latency and improved throughput efficiency
• Enhanced optical clarity for short-distance links

40GBASE-SR4 Standard Compliance

• Compliant with IEEE 40G Ethernet standards
• Supports 4x10G parallel optical channels
• Designed for multimode fiber (MMF) cabling systems
• Optimized for high-performance data center switching

Distance and Coverage Range

• Maximum transmission distance up to 150 meters (approx. 492 feet)
• Ideal for medium-range data center interconnects
• Stable performance over multimode fiber infrastructure
• Reduced signal loss across supported ranges

Network Integration Benefits

• Seamless compatibility with QSFP+ ports
• Easy plug-and-play installation design
• Supports high-density networking environments
• Efficient integration into existing infrastructure

Compact and Efficient Form Factor

• Compact QSFP+ module architecture
• Designed for high-density rack environments
• Easy installation and hot-plug capability
• Optimized for scalable network deployments

Durability and Operational Stability

• Built for continuous 24/7 enterprise operation
• Stable optical performance under heavy workloads
• Reliable data transmission in mission-critical systems
• Engineered for long-term deployment efficiency

Operational Advantages

• Improves overall network bandwidth efficiency
• Reduces latency in high-volume data transfer systems
• Supports scalable infrastructure expansion
• Enhances reliability in optical communication networks

Performance Efficiency

• High-speed 40GbE throughput for demanding applications
• Optimized for short-range optical networking
• Efficient power and signal utilization
• Supports modern data center architectures

Cost and Deployment Advantages

• Cost-effective solution for 40G network upgrades
• Reduces infrastructure expansion complexity
• Minimizes operational overhead in deployments
• Provides long-term networking value

Manufacturer Profile and Reliability Assurance

• Designed by a leading optical networking manufacturer
• Trusted performance in global data center deployments
• Proven reliability in enterprise environments
• Built to meet modern networking demands

Finisar FTL410QD2C 40GBASE-SR4 Transceiver

The Finisar FTL410QD2C 40GBASE-SR4 Transceiver 4X10GBASE-SR 300m QSFP+ is a high-performance optical networking module designed for data center, enterprise switching, and high-speed aggregation environments that require reliable short-range 40 Gigabit Ethernet connectivity. Built on the QSFP+ (Quad Small Form-Factor Pluggable Plus) standard, this transceiver enables dense, high-bandwidth interconnects between network switches, routers, and servers using multimode fiber infrastructure.

This optical transceiver category plays a critical role in modern high-performance computing and cloud data center architectures where bandwidth demand continues to grow rapidly. The Finisar FTL410QD2C supports the 40GBASE-SR4 standard, delivering four independent 10GBASE-SR lanes over multimode fiber, allowing efficient parallel optical transmission across short to medium distances up to 300 meters depending on fiber grade.

Engineered for scalability, energy efficiency, and high-density deployments, this QSFP+ module enables organizations to optimize data center fabric performance while maintaining cost-effective fiber infrastructure usage. Its compatibility with industry-standard networking equipment ensures seamless integration into existing enterprise and cloud networking environments.

40GBASE-SR4 Parallel Optical Architecture

The Finisar FTL410QD2C operates using a parallel optical architecture defined by the 40GBASE-SR4 standard. Instead of relying on a single high-speed optical channel, the module uses four independent 10Gbps transmit and receive lanes to achieve a combined throughput of 40Gbps. This parallel design enhances signal integrity and reduces complexity in high-speed optical transmission.

Each lane operates over multimode fiber using VCSEL (Vertical Cavity Surface Emitting Laser) technology, which provides efficient short-range optical transmission with low power consumption and high reliability. The module is optimized for OM3 and OM4 multimode fiber types, enabling flexible deployment in modern structured cabling environments.

The use of parallel optics also simplifies signal processing within network devices, as each lane operates independently while maintaining synchronization across aggregated traffic streams. This makes the module ideal for switch-to-switch and switch-to-server connections in high-density data centers.

QSFP+ Form Factor Efficiency

The QSFP+ form factor is designed to maximize port density while minimizing power consumption and physical footprint. The Finisar FTL410QD2C fits into standard QSFP+ ports, allowing network operators to deploy multiple high-speed connections within a compact switch chassis.

This compact design enables higher port density per rack unit, which is essential for modern hyperscale and enterprise data center environments where space efficiency is a critical factor. The module also supports hot-pluggable functionality, allowing installation and replacement without powering down networking equipment.

By leveraging QSFP+ architecture, organizations can achieve high bandwidth aggregation without requiring larger or more power-intensive hardware platforms.

Data Center High-Speed Connectivity

The Finisar FTL410QD2C transceiver is widely used in data center environments where high-speed interconnectivity between networking devices is essential. It supports spine-leaf architectures commonly deployed in modern cloud computing infrastructures, enabling fast and efficient traffic flow between network layers.

In enterprise environments, the module is used to connect aggregation switches, core switches, and high-performance computing clusters. Its ability to support 40Gbps throughput ensures that data-intensive applications such as virtualization platforms, storage systems, and analytics engines operate efficiently without network bottlenecks.

The module is also suitable for cloud service providers who require scalable and cost-effective optical connectivity solutions that can handle large volumes of east-west traffic within distributed data center environments.

Short-Reach Multimode Fiber Optimization

The Finisar FTL410QD2C is designed specifically for short-reach multimode fiber applications, supporting transmission distances of up to 300 meters depending on fiber quality and environmental conditions. This makes it ideal for intra-data center connectivity where devices are located within the same facility or campus environment.

Multimode fiber provides a cost-effective solution for short-range optical transmission compared to single-mode alternatives, making it a preferred choice for enterprise and hyperscale deployments where large numbers of connections are required.

The module’s compatibility with OM3 and OM4 fiber types ensures flexibility in deployment while maintaining high signal integrity and performance consistency across network links.

VCSEL Laser Technology Advantages

The use of VCSEL laser technology in the Finisar FTL410QD2C provides several advantages in short-range optical communication. VCSELs offer high efficiency, low power consumption, and stable performance characteristics that are well-suited for high-density data center environments.

These lasers enable precise light emission into multimode fiber, reducing signal distortion and improving overall transmission reliability. The result is consistent performance even in environments with high port density and significant electromagnetic interference.

VCSEL-based design also contributes to lower operational costs by reducing energy consumption across large-scale deployments.

Energy Efficiency and Thermal Performance

Energy efficiency is a critical consideration in modern data center operations, where power consumption and cooling costs directly impact operational expenses. The Finisar FTL410QD2C is engineered for low power consumption while maintaining high performance levels.

The QSFP+ form factor supports efficient thermal management, allowing the module to operate within standard temperature ranges without requiring excessive cooling infrastructure. This contributes to improved overall system efficiency and reduced environmental impact.

Low power operation is particularly beneficial in high-density switch environments where multiple transceivers are deployed simultaneously, helping organizations maintain energy-efficient network infrastructures.

Thermal Stability in High-Density Deployments

In densely populated switch environments, thermal stability is essential for maintaining consistent network performance. The Finisar FTL410QD2C is designed to operate reliably under varying temperature conditions commonly found in enterprise data centers.

Its efficient thermal design ensures that heat generation is minimized, reducing strain on cooling systems and improving overall equipment lifespan.

This makes the module suitable for continuous operation in mission-critical environments where uptime and reliability are essential.

Network Reliability and Signal Integrity

Signal integrity is a key factor in high-speed optical communication systems. The Finisar FTL410QD2C is engineered to maintain strong signal quality across all four transmission lanes, ensuring reliable data transfer even in complex network environments.

The module incorporates advanced error reduction and signal optimization techniques that help minimize packet loss and transmission errors. This ensures stable network performance in high-throughput environments such as data centers and enterprise backbone networks.

Reliable signal integrity is especially important in applications involving virtualization, storage replication, and real-time analytics, where data consistency is critical.

Low Latency Data Transmission

Low latency performance is essential for modern applications that require real-time responsiveness. The Finisar FTL410QD2C supports low-latency optical transmission by minimizing processing overhead and optimizing data flow across its parallel lanes.

This ensures that time-sensitive applications such as financial trading systems, cloud gaming platforms, and distributed computing environments can operate efficiently without network-induced delays.

The module’s architecture ensures consistent latency performance even under high traffic loads, making it suitable for demanding enterprise workloads.

Compatibility and Interoperability

The Finisar FTL410QD2C QSFP+ transceiver is designed to be compatible with a wide range of networking equipment from major vendors. Its adherence to industry standards ensures interoperability across different platforms, including switches, routers, and network interface devices.

This compatibility allows organizations to integrate the module into existing network infrastructures without requiring major hardware modifications. It supports flexible deployment strategies and simplifies network expansion planning.

Interoperability also ensures that organizations can maintain multi-vendor network environments while achieving consistent performance and reliability.

Hot-Swappable Design Flexibility

The hot-swappable nature of the QSFP+ form factor allows the Finisar FTL410QD2C to be installed or replaced without disrupting network operations. This is particularly valuable in environments where uptime is critical and maintenance windows are limited.

Network administrators can perform upgrades, replacements, or expansions without powering down systems, ensuring continuous service availability and operational efficiency.

This flexibility enhances overall network manageability and reduces downtime risks in mission-critical environments.

Scalability for Modern Data Center Networks

Scalability is a key requirement for modern network infrastructures. The Finisar FTL410QD2C supports scalable deployment strategies that allow organizations to expand network capacity as data demands grow.

By enabling high-density 40Gbps connections, the module helps organizations build flexible and future-ready network architectures capable of supporting increasing workloads and evolving application requirements.

Its role in spine-leaf and leaf-spine topologies ensures that data centers can scale efficiently while maintaining performance consistency across all network layers.

Cloud and Virtualized Environments

Cloud computing and virtualization technologies rely heavily on high-speed, low-latency network connections. The Finisar FTL410QD2C supports these environments by providing reliable optical interconnects that enable efficient data movement between virtual machines, storage systems, and compute nodes.

This ensures that cloud workloads can scale dynamically without being constrained by network limitations, supporting modern enterprise digital transformation initiatives.

Next-Generation Optical Networking Foundation

The Finisar FTL410QD2C 40GBASE-SR4 QSFP+ Optical Transceiver represents a foundational component in next-generation optical networking infrastructure. Its combination of high-speed parallel transmission, energy-efficient VCSEL technology, low-latency performance, and scalable QSFP+ design makes it an essential building block for modern data centers and enterprise networks. By enabling reliable short-reach 40Gbps connectivity, the module supports the evolution of high-performance computing, cloud services, and hyperscale networking architectures, ensuring long-term adaptability and operational efficiency across increasingly complex digital environments.