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    Home / Products / Transceivers / 400G/800G Ethernet Transceivers / 400G QSFP-DD / 103704

    Generic Compatible 400GBASE-SRBD QSFP-DD PAM4 850nm 100m DDM MPO-12/APC MMF Optical Transceiver Module

    Product No: 103704
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    US$ 799.00
    Compatible
    Transceivers type
    5 in real-time stock, 04 Jun, 2026

    Free Shipping over US$ 79.8

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    5-Year Warranty 1-Year Exchange
    Warranty
    Providing industry-leading limited lifetime warranty.
    Please check our warranty policy for details.
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    Exchanges caused by the customer's reasons will not be accepted.
    Please ensure that the item you're returning is repackaged with all the cords, adapters, and documentation included when you receive it.
    Please check our Return Policy for details.
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    Add to Cart Bulk Order Quotes 
    1. 8x 53.125Gb/s PAM4 400GAUI-8 electrical interface
2. Built-in Broadcom DSP chip
3. InfiniBand NDR support
4. Max power consumption ≤12W
5. Compliant with QSFP-DD MSA, RoHS-6, IEEE 802.3-2015, and InfiniBand HDR, EDR
    See more

    Specifications

    Generic Compatible 400G QSFP-DD SR4 BD PAM4 Optical Transceiver Module (850nm, 100m, MPO-12 APC Connectors, MMF, 0℃ to +70℃, DOM)

     

    Generic Compatible 400G QSFP-DD SR4 BD module with MPO-12 APC connectors, max transmitter distance up to 150m over OM5 multi-mode fiber. It is a parallel Quad Small Form-factor Pluggable, double density (QSFP-DD) Bi-Direction optical module. The module accepts eight host electrical data and transmits them in two groups of optical bi-directional lanes (each group contains 4 pairs of optical lanes) to allow optical communication over optical multi-mode fibers. The QT-QDD-400G-SR4.2 module is built with DDM function, which can access operating parameters in real-time. This optical module is suitable for 400G Ethernet and Data Center interconnect.

     

    Part Number QT-QDD-400G-SR4.2 Vendor Name QSFPTEK
    Form Factor QSFP-DD Max Data Rate 425 Gbps (8x 53.125 Gbps)
    Wavelength 850nm, 910nm Distance 70m@OM3/150m@OM5
    Connector MPO-12 APC Cable Type MMF
    Transmitter Type VCSEL Receiver Type PIN
    TX Power -6.5 to +4dBm Receiver Sensitivity < -8.5dBm
    Packaging Technology COB (Chip on Board) Packaging Receiver Overload 4 dBm
    Power Consumption ≤12W Modulation Format PAM4
    DDM/DOM Supported Temperature 0 to 70°C (32 to 158°F)
    Protocols QSFP-DD MSA, IEEE 802.3-2015 Warranty 5 Years
    Quality Testing Program
    Optical Transceivers Testing

    Take a look at our test program to get the reliable and high-performance optical transceivers.

    Quality Certifications

    Features

    • 1. Advanced Technology
      Features with PAM4 modulation technology, DSP chip and COB packaging technology.
    • 2. Best Price and High Quality
      Based on self-producing capacity and rigorous testing, QSFPTEK can provide cost-effective products with high reliability and performance at a trade price.
    • 3. Protocols
      IEEE 802.3-2015 protocol and QSFP-DD MSA standard
    • 4. Quality Certifications
      Backed by CE, FCC, ROSH, ISO9001.

    Applications

    400G to 400G Direct Connectivity:

    QT-QDD-400G-SR4.2 Direct Connectivity

    Product details

    Various Switch Tests

     

    Every module is quality tested for compatibility in the multi-brand switches environment, which guarantees flawless operations.

     

     

     

    Tested in The Host Device to Prove Interoperability

     

    Every unit sold undergoes rigorous quality testing, to ensure compatibility in the target switch environment, guaranteeing perfect operation.

     

    QSFPTEK Test Rack

     

     

    Comprehensive Testing

     

    Every module is qualified through rigorous procedures and advanced equipment to ensure high-quality and reliable optical devices for you.

     

      

    Questions & Answers

    • ALL (11)
    • 400G QSFP-DD (2)
    • QT-OSFP-400G-SR8 (1)
    • QT-QSFP-DD-SR8 (4)
    • QT-QSFP-DD-FR4 (1)
    • QT-QSFP-DD-DR4 (3)

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    Resources

    • PDF Document
      Transceiver Module User Guide.pdf
    • PDF Document
      QT-QDD-400G-SR4.2 Datasheet.pdf
    Check Test Reports on Target Device
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    Generic Compatible 400GBASE-SRBD QSFP-DD PAM4 850nm 100m DDM MPO-12/APC MMF Optical Transceiver Module

    Compatible Generic

    Transceivers type GE-QDD-400G-SR4.2 | 100m | MPO-12/APC

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    Satisfaction
    Customer Gallery
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    Mark

    2023-12-15
    This product works well with my switch, and I plan to buy some DWDM transceivers from QT. Excellent value fo ct works well with my switch, and I plan to buy some DWDM transceivers from QT. Excellent valur money!

    Verified Purchase

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    Added to Cart
    Generic Compatible 400GBASE-SRBD QSFP-DD PAM4 850nm 100m DDM MPO-12/APC MMF Optical Transceiver Module
    US$ 799.00
    Compatible
    Generic
    Transceivers type
    GE-QDD-400G-SR4.2 | 100m | MPO-12/APC
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    Bulk Order Quotes
    Generic Compatible 400GBASE-SRBD QSFP-DD PAM4 850nm 100m DDM MPO-12/APC MMF Optical Transceiver Module

    Compatible Generic

    Transceivers type GE-QDD-400G-SR4.2 | 100m | MPO-12/APC

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