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100G IB QSFP28 4CH
100G InfiniBand EDR QSFP28 4CH optical transceiver is designed to meet the demands of high-performance computing, AI clusters, and hyperscale data centers for extreme bandwidth and ultra-low latency. It features a 4-channel parallel architecture, supports InfiniBand EDR protocol, and delivers up to 100Gbps total bandwidth with nanosecond-level transmission latency, making it an ideal choice for building high-speed lossless networks. Housed in a compact QSFP28 form factor, the module offers low power consumption and high reliability, and supports digital diagnostic monitoring. It can be flexibly adapted to multimode or single‑mode fiber connections, making it widely suitable for critical applications such as accelerating AI training, scientific computing, and high-end storage interconnects.
  • 3-year warranty Long term maintenance
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  • Product Details

    100G InfiniBand QSFP28 optical transceiver module is specifically designed for InfiniBand EDR (Enhanced Data Rate, i.e., 100Gbps) high-performance computing networks, featuring low latency, high bandwidth, and high reliability.


    Form FactorPart No.Fiber TypeData RateWavelengthDistanceConnectorCase TemperatureNote
    QSFP28CLOTU4QSFPXZR4SMF100G InfiniBandLAN WDM100kmLCCom.Data-Sheet
    QSFP28CLOTU4QSFPZR4SMF100G InfiniBandLAN WDM80kmLCCom.Data-Sheet
    QSFP28CLOTU4QSFPER4SMF100G InfiniBandLAN WDM40kmLCCom.Data-Sheet
    QSFP28CLOTU4QSFPLR4SMF100G InfiniBandLAN WDM10kmLCCom.Data-Sheet
    QSFP28CL100GQSFPPSM4SMF100G InfiniBand1310nm2~10kmMPOCom.Data-Sheet
    QSFP28CLOTU4QSFPCW4SMF100G InfiniBand1270~1330nm,4CH2kmLCCom.Data-Sheet
    QSFP28CLOTU4QSFPSR4MMF100G InfiniBand850nm100mMPOCom.Data-Sheet


    100G IB QSFP28 4CH Optical Transceiver Overview

    The C-LIGHT 100G IB QSFP28 4CH optical transceiver is a high-performance optical module designed for InfiniBand HDR and high-speed data center networking applications. Supporting 100Gbps aggregate data rates with four-channel parallel optical transmission, this transceiver provides low-latency, high-bandwidth connectivity for AI clusters, high-performance computing (HPC), cloud computing, and enterprise data center environments.

    Based on QSFP28 form factor technology, the 100G IB QSFP28 4CH optical transceiver delivers reliable optical performance, excellent signal integrity, and high-density connectivity. It is optimized for InfiniBand network architectures requiring efficient GPU-to-GPU communication and scalable interconnect solutions.

    Key Features of 100G IB QSFP28 4CH Optical Transceiver

    High-Speed 100Gbps Transmission

    Supports 100Gbps aggregate bandwidth through four independent optical channels, enabling high-throughput data transmission for modern data center networks.

    InfiniBand HDR Compatible

    Designed for InfiniBand HDR networking applications, providing low latency and high reliability for AI training and HPC workloads.

    QSFP28 Form Factor

    Adopts industry-standard QSFP28 packaging with high-density connectivity and excellent compatibility with InfiniBand and Ethernet platforms.

    Low Power Consumption

    Optimized optical and electrical design reduces power consumption while maintaining stable transmission performance.

    High Reliability Performance

    Supports rigorous optical, electrical, and environmental testing to ensure long-term reliability in demanding networking environments.

    Advanced Data Center Connectivity

    Provides scalable optical interconnect solutions for AI clusters, cloud infrastructure, and next-generation computing platforms.

    Applications

    AI Data Centers

    Ideal for AI training clusters and GPU-based computing environments requiring high-speed, low-latency optical interconnects.

    High Performance Computing (HPC)

    Provides reliable optical connectivity for scientific computing, simulation, and large-scale parallel processing systems.

    InfiniBand Networking

    Supports InfiniBand HDR infrastructure deployment with high bandwidth and efficient network communication.

    Cloud Computing Infrastructure

    Enables high-density optical connections for cloud service providers and hyperscale data centers.

    Enterprise Data Centers

    Suitable for enterprise networking environments requiring stable and scalable optical transmission solutions.

    GPU Cluster Interconnect

    Supports high-speed GPU communication networks to improve computing efficiency and system scalability.

    Why Choose C-LIGHT 100G IB QSFP28 4CH Optical Transceiver

    Professional Optical Transceiver Manufacturer

    C-LIGHT specializes in high-speed optical communication products, providing reliable optical transceiver solutions for data centers, AI computing, HPC, and networking applications.

    Advanced Optical Technology

    Utilizing advanced optical design and manufacturing technologies, C-LIGHT optical modules deliver excellent signal integrity, stable performance, and efficient data transmission.

    Strict Quality Control

    Every 100G IB QSFP28 4CH optical transceiver undergoes comprehensive testing, including optical performance testing, electrical validation, reliability testing, and compatibility verification.

    Customized Solutions

    C-LIGHT provides customized optical interconnect solutions to meet different network architectures, transmission requirements, and customer deployment scenarios.

    High Compatibility

    The optical transceiver is designed for compatibility with major InfiniBand and data center networking platforms, ensuring flexible deployment and easy integration.

    Reliable Global Support

    C-LIGHT provides professional technical support and responsive service to help customers build efficient and scalable optical networks.

    Frequently Asked Questions (FAQ)

    Q1. What is a 100G IB QSFP28 4CH optical transceiver?

    A 100G IB QSFP28 4CH optical transceiver is a high-speed optical module designed for InfiniBand HDR networking applications. It uses four optical channels to achieve 100Gbps data transmission and provides low-latency connectivity for AI clusters, HPC systems, and data center networks.

    Q2. What applications use the 100G IB QSFP28 4CH optical transceiver?

    The 100G IB QSFP28 4CH optical transceiver is commonly used in AI data centers, high-performance computing environments, GPU clusters, cloud infrastructure, and InfiniBand-based networking systems requiring high bandwidth and low latency.

    Q3. What are the advantages of QSFP28 optical transceiver technology?

    QSFP28 technology provides a compact form factor, high port density, lower power consumption, and excellent scalability, making it widely adopted in modern data center and high-performance networking applications.

    Q4. Is the 100G IB QSFP28 4CH optical transceiver compatible with InfiniBand networks?

    Yes. The module is specifically designed for InfiniBand networking environments and supports high-speed interconnect applications requiring reliable and efficient communication between computing nodes.

    Q5. How does C-LIGHT ensure optical transceiver quality?

    C-LIGHT applies strict quality control procedures, including optical testing, electrical performance verification, reliability testing, and compatibility validation to ensure stable product performance.

    Q6. What makes this optical transceiver suitable for AI data centers?

    The 100G IB QSFP28 4CH optical transceiver provides high bandwidth, low latency, and reliable connectivity, making it suitable for AI training clusters, GPU communication networks, and large-scale computing infrastructure.

    Q7. Can C-LIGHT provide customized optical solutions?

    Yes. C-LIGHT offers customized optical transceiver solutions based on customer requirements, including optical specifications, network applications, and deployment environments.

    Q8. Why choose C-LIGHT for 100G IB QSFP28 4CH optical transceivers?

    C-LIGHT combines optical technology expertise, strict manufacturing processes, compatibility testing, and professional support to deliver reliable optical interconnect solutions for global customers.

    Summary of 100G IB QSFP28 4CH Optical Transceiver

    The C-LIGHT 100G IB QSFP28 4CH optical transceiver provides a reliable and efficient optical connectivity solution for InfiniBand HDR networks, AI data centers, HPC systems, and high-performance computing environments. With high bandwidth, low latency, compact QSFP28 design, and excellent compatibility, this optical transceiver helps customers build scalable and future-ready data center networks.

    As AI workloads and GPU clusters continue to grow, high-speed optical interconnects are becoming increasingly important. C-LIGHT delivers professional optical transceiver solutions with advanced technology, strict quality control, and customized support to meet the evolving requirements of modern network infrastructures.

    Support & Service
    Customized Needs
    C-LIGHT R&D and sales provide various personalized product customization services for customers in d...
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    Quality Assurance
    C-LIGHT ensures good product quality and quality assurance through a series of effective measures.
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    Customer Service
    C-LIGHT provides professional pre-sales and after-sales services, including product certification qu...
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    Production Guarantee
    C-LIGHT provides an excellent production environment to ensure that products can meet customer needs...
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    Performance Testing
    C-LIGHT network tests the performance indicators of optical modules such as eye diagram, optical pow...
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    Reliability Test
    C-LIGHT Network uses professional testing equipment to conduct high and low temperature chamber test...
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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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