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64G SFP56
C-LIGHT independently develops 64G SFP56 optical modules, which provide transmission distances of 100m to 100km and support rates up to 64Gb/s. Its communication protocol complies with IEEE 802.3/bs/cd, the interface protocol complies with SFF-8472, and the packaging protocol complies with SFP56 MSA. This optical module is particularly suitable for network environments with strict requirements for high bandwidth, low latency and high efficiency, including data centers, cloud computing, telecom operator networks and big data processing centers. C-LIGHT has more than 15 years of experience in the field of optical communications, focusing on spot supply and customized services, and is committed to providing customers with high-quality optical module solutions. In addition, the 64G SFP56 optical module is compatible with switches from more than 100 brands, and guarantees original after-sales service to help customers effectively control costs.
  • 3-year warranty Long term maintenance
  • Technical Support Professional free technical guidance
  • 100% detection Each module is 100% tested
  • Spot stock Always in stock, short delivery time
  • Product Details
    Form Factor Part No. Fiber Type Data Rate Wavelength Distance Connector Case Temperature Note
    SFP56 CL64GSFP56LR SMF 64G 1310nm 10km LC Com./Ind.  
    SFP56 CL64GSFP56SR MMF 64G 850nm 100m LC Com./Ind.  

    64G SFP56 Optical Transceiver for High-Bandwidth and Low-Latency Network Connectivity

    64G SFP56 Optical Transceiver Overview

    C-LIGHT 64G SFP56 optical transceivers are designed for high-speed network environments requiring up to 64Gb/s bandwidth in a compact SFP56 form factor. The modules combine high data throughput with low-latency optical connectivity for demanding data communication applications.

    The product family provides two distinct optical configurations: an 850nm multimode version for 100m links and a 1310nm single-mode version for 10km transmission. This approach allows the 64G SFP56 platform to address both short-range high-density connections and longer fiber links without using the same optical configuration for every deployment.

    64G SFP56 Optical Transceiver Key Features

    64Gb/s Data Rate

    Provides up to 64Gb/s optical transmission capacity for bandwidth-intensive networking and high-performance data communication environments.

    SFP56 Form Factor

    The compact SFP56 package is designed for high-density network equipment where increased bandwidth must be delivered within a small pluggable footprint.

    100m Multimode Option

    The CL64GSFP56SR configuration uses 850nm optics and multimode fiber for short-distance links up to 100m.

    10km Single-Mode Option

    The CL64GSFP56LR configuration operates at 1310nm and supports transmission up to 10km over single-mode fiber.

    LC Optical Connector

    Both listed configurations use an LC connector for practical integration with compatible fiber optic network equipment.

    IEEE 802.3 Standards

    The communication protocol complies with the applicable IEEE 802.3/bs/cd specifications for the supported high-speed networking environment.

    SFF-8472 Interface Protocol

    The interface protocol follows SFF-8472, supporting standardized management and monitoring functions for compatible optical platforms.

    SFP56 MSA Packaging

    The module follows the SFP56 MSA packaging approach for integration into compatible SFP56 host equipment.

    64G SFP56 Optical Transceiver Applications

    Data Center Networks

    The 64Gb/s SFP56 platform provides high-speed optical connectivity for data center switching and server-side network infrastructure.

    Cloud Computing

    High-bandwidth optical links can support communication between computing, storage, and networking resources in cloud infrastructure.

    Telecom Operator Networks

    The 10km single-mode configuration provides an option for longer optical connections within carrier and telecommunications network environments.

    Big Data Processing Centers

    The high data rate is suitable for network architectures handling large volumes of data where optical bandwidth is an important performance factor.

    High-Density Switching

    The SFP56 form factor allows network equipment manufacturers and operators to deploy high-speed optical ports without requiring a larger module footprint.

    Short-Reach Equipment Interconnects

    The 100m multimode configuration provides a practical solution for short optical connections between compatible high-speed network devices.

    Extended Fiber Connections

    The 10km single-mode version can be used where network equipment needs to be connected across longer fiber paths.

    High-Bandwidth Network Upgrades

    The 64Gb/s optical interface provides a path toward higher-capacity connectivity in network environments moving beyond lower-speed optical platforms.

    Why Choose C-LIGHT 64G SFP56 Optical Transceiver?

    Two Practical Reach Options

    The product family separates short-range and extended-range requirements into dedicated optical configurations, making module selection more straightforward.

    High Bandwidth in a Compact Package

    With 64Gb/s throughput in an SFP56 form factor, the module combines high optical capacity with the space efficiency required by dense network equipment.

    Built for High-Performance Networks

    C-LIGHT positions the 64G SFP56 for environments where bandwidth, latency, and transmission efficiency are important, including data centers, cloud computing, telecom networks, and big data facilities.

    Broad Equipment Compatibility

    C-LIGHT states that the 64G SFP56 is compatible with switches from more than 100 brands, supporting deployment across different network equipment platforms.

    100% Product Testing

    C-LIGHT states that every optical module passes initial testing, final testing, and factory inspection as part of its quality-control process.

    Stock and Customization Support

    C-LIGHT provides spot supply, customized services, technical guidance, and after-sales support for different optical networking requirements.

    64G SFP56 Optical Transceiver FAQ

    Q1. What is a 64G SFP56 optical transceiver?

    A 64G SFP56 optical transceiver is a high-speed pluggable optical module that supports up to 64Gb/s transmission in the compact SFP56 form factor.

    Q2. What transmission distances are available?

    C-LIGHT currently lists a 100m multimode version and a 10km single-mode version for the 64G SFP56 product family.

    Q3. What is the difference between the 100m and 10km versions?

    The 100m CL64GSFP56SR uses 850nm optics with multimode fiber, while the 10km CL64GSFP56LR uses 1310nm optics with single-mode fiber.

    Q4. Which connector is used by the 64G SFP56?

    The listed 100m and 10km configurations both use an LC optical connector.

    Q5. What fiber types are supported?

    The product family supports both multimode fiber for the 100m configuration and single-mode fiber for the 10km configuration.

    Q6. What standards does the 64G SFP56 follow?

    The product communication protocol complies with IEEE 802.3/bs/cd, the interface protocol complies with SFF-8472, and the packaging follows SFP56 MSA requirements.

    Q7. Where is the 64G SFP56 commonly used?

    C-LIGHT identifies data centers, cloud computing environments, telecom operator networks, and big data processing centers as suitable application environments for the product.

    64G SFP56 Optical Transceiver Solution Summary

    C-LIGHT 64G SFP56 optical transceivers provide a high-bandwidth optical solution for network environments that require up to 64Gb/s connectivity in a compact SFP56 package. With an 850nm MMF configuration for 100m links and a 1310nm SMF configuration for 10km transmission, the product family offers differentiated options for short- and extended-distance deployments across data centers, cloud infrastructure, telecom networks, and high-volume data processing environments.

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    Quality inspection

    ●100% of products pass initial test, final test and factory inspection.

    ●3-step quality control management process.

    ●100% complete implementation of customer order quality requirements.

    ●100% guarantee of customer product data information security.



    Quality certification

    Please contact us to download the certification certificate.

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    Please Note: Installing a third party transceiver does not void your network equipment warranty. Network equipment manufacturers all have guidelines stating that warranty support on their products will not be affected.


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