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    Home / Products / Transceivers / 400G/800G/1.6T Ethernet Transceivers / 400G QSFP-DD / 103832

    Generic Compatible 400GBASE-DR4 QSFP-DD PAM4 1310nm 500m DDM MPO-12/APC SMF Optical Transceiver Module

    Product No: 103832
    5 Reviews
    0 Sold
    US$ 449.90
    Compatible
    Transceivers type
    7 in real-time stock, 05 Aug, 2026

    Free Shipping over US$ 79.8

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    5-Year Warranty 1-Year Exchange
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    Providing industry-leading limited lifetime warranty.
    Please check our warranty policy for details.
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    Add to Cart Bulk Order Quotes 
    1. PAM4 modulation technology
2. EML + PIN, MTP/MPO-12 connector
3. Low power consumption ≤12W
4. 8x 53.125Gb/s 400GAUI-8 electrical interface
5. Parallel 4 optical lanes, support 4x 100G breakout to QSFP28 100G-DR, 100G-FR, and 100G-LR
6. Applied in 400G Ethernet, Infiniband interconnects, data centers, high-performance computing networks
    See more

    Specifications

    Generic Compatible 400GBASE-DR4 QSFP-DD PAM4 Optical Transceiver Module (SMF, 1310nm, 500m, MPO-12/APC, 0°C to 70°C, DDM)

     

    The 400GBASE-DR4 QSFP-DD transceiver module supports a max data rate of 425Gbps up to 500m over single-mode fiber (SMF) with an MPO-12 APC connector. QSFPTEK manufactured  400G DR4 QSFP-DD module complies with QSFP-DD MSA, CMIS, 802.3bs 400GBASE-DR4, 8x 53.125Gbit/s PAM4 electrical interface (400GAUI-8), 4x 106.25Gbps (53.125GBd PAM4) optical architecture and RoHS. DDM (digital diagnostics monitoring) function is supported on the 400G fiber optic transceiver to achieve real-time operating parameters monitoring. The 400G DR4 QSFP-DD is widely used for 400 gigabit Ethernet, 400G to 4x 100GBASE-DR breakout, and data center interconnect. 

     

    The transceiver modules integrate key photonics  and functionality components into the chip, meeting the harshest external operating conditions including temperature, humidity and EMI interference of the latest network architectures in data centers. The module provides high functionality and feature integration, accessible via a two-wire serial interface. 

     

    Part Number

    QT-QSFP-DD-DR4

    Vendor Name

    QSFPTEK

    Form Factor

    QSFP-DD

    Interface Type

    DR4

    Max Data Rate

    425Gbps (4x106.25Gb/s)

    Wavelength

    1310nm

    Connector

    MTP/MPO-12/APC

    Cable Type

    SMF

    Max Cable Distance

    500m

    Modulation

    PAM4

    TX Power

    -2.9 to 4 dBm

    Receiver Sensitivity

    < -5.9 dBm

    Transmitter Type

    EML

    Receiver Type

    PIN

    Power Consumption

    ≤12W

    Temperature Range

    0 to 70°C (32 to 158°F)

    DDM/DOM

    Supported

    Forward Error Correction (FEC)

    Host FEC Supported

    Protocols

    QSFP-DD MSA, IEEE 802.3bs

    Warranty

    1 Year
    Quality Testing Program
    Optical Transceivers Testing

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

    Quality Certifications

    Applications

    Scenario 1: 400G to 400G Direct Connectivity

    QT-QSFP-DD-DR4 Scenario 1 400G to 400G Direct Connectivity 

     

    Scenario 2: 400G to 4x 100G-DR Breakout Connectivity

    QT-QSFP-DD-DR4 Scenario 2 400G to 4x 100G-DR Breakout Connectivity

     

     

    Scenario 3: 800G QSFP-DD to 2x 400G-DR4 Breakout Connectivity

    QT-QSFP-DD-DR4 Scenario 3 800G QSFP-DD to 2x 400G-DR4 Breakout Connectivity

      

     

    Scenario 4: 800G OSFP to 2x 400G-DR4 Breakout Connectivity

    QT-QSFP-DD-DR4 Scenario 4 800G OSFP to 2x 400G-DR4 Breakout Connectivity

    Product details

    Upgrade One Site to 400G at a Time

     

    The 400G DR4 module breaks out into four 100G DR links, enabling you to upgrade one site to 400G while keeping the other end at 100G. This allows gradual upgrade one site at a time to minimizes network downtime and avoids a costly full-network migration.

     

    400G DR4 to four 100G DR1

     

     

    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.

     

    QDD-400G-DR4-S compatibility test

     

     

    Comprehensive Testing

     

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

     

     

     

    Short to Medium Reach 400G QSFP-DD Optics Contrast Table

     

    Part Number

    QT-QSFP-DD-SR4

    QT-QSFP-DD-SR8

    QT-QSFP-DD-DR4

    QT-QSFP-DD-DR4+

    QT-QSFP-DD-FR4

    Image

    Center Wavelength

    850nm

    850nm

    1310nm

    1310nm

    1310nm

    Connector

    MTP/MPO-12

    MTP/MPO-16

    MTP/MPO-12

    MTP/MPO-12

    Duplex LC

    Cable Distance (Max.)

    100m

    100m

    500m

    2km

    2km

    Modulation

    PAM4

    PAM4

    PAM4

    PAM4

    PAM4

    Transmitter + Receiver Type

    VCSEL 850nm + PIN

    VCSEL 850nm + PIN

    EML + PIN

    EML + PIN

    CWDM EML + PIN

    TX Power

    -4.6~4.0dBm

    -6.5~4.0dBm

    -2.9~4.0dBm

    -3.1~4.0dBm

    -3.2~3.5dBm

    Receiver Sensitivity

    <-6.3dBm

    <-8.4dBm

    <-5.9dBm

    <-7.1dBm

    <-7.3dBm

    Power Consumption

    ≤8W

    ≤12W

    ≤12W

    ≤12W

    ≤12W

    Temperature

    0 to 70°C (32 to 158°F)

    0 to 70°C (32 to 158°F)

    0 to 70°C (32 to 158°F)

    0 to 70°C (32 to 158°F)

    0 to 70°C (32 to 158°F)

    Application

    Data Center

    Data Center

    400G to 2x200G Breakout

    400G to 8x50G Breakout

    Data Center

    400G to 4x100G Breakout

    800G to 2x400G Breakout

    Data Center

    400G to 4x100G Breakout

    800G to 2x400G Breakout

    Data Center

    800G to 2x400G Breakout

      

    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)

    Customer Reviews

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    Resources

    • PDF Document
      QT-QSFP-DD-DR4 QDD-400G-DR4 Datasheet.pdf
    Check Test Reports on Target Device
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    Generic Compatible 400GBASE-DR4 QSFP-DD PAM4 1310nm 500m DDM MPO-12/APC SMF Optical Transceiver Module

    Compatible Generic

    Transceivers type GE-QDD-400G-DR4 | 500m | MPO-12/APC

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    Satisfaction
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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-DR4 QSFP-DD PAM4 1310nm 500m DDM MPO-12/APC SMF Optical Transceiver Module
    US$ 449.90
    Compatible
    Generic
    Transceivers type
    GE-QDD-400G-DR4 | 500m | MPO-12/APC
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    Bulk Order Quotes
    Generic Compatible 400GBASE-DR4 QSFP-DD PAM4 1310nm 500m DDM MPO-12/APC SMF Optical Transceiver Module

    Compatible Generic

    Transceivers type GE-QDD-400G-DR4 | 500m | MPO-12/APC

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