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

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

    Product No: 103832
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    US$ 674.90
    Compatible
    Transceivers type
    7 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. Use SiPh chips with integrated Broadcom 7nm DSP, 3D packaging technology, diverse optoelectronic components
2. Support 400G to 4x 100G DR1 breakout applications
3. Max. Power Consumption <10W  
4. Hot-pluggable QSFP-DD with MPO-12/APC connector
5. Max. data rate 425Gbps up to 500m over G.652 SMF with KP-FEC
6. Compliant to QSFP-DD MSA, CMIS, 802.3bs 400GBASE-DR4 
7. Withstand extreme temperature, humidity, and EMI
    See more

    Specifications

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

     

    The 400GBASE-DR4 QSFP-DD Silicon Photonics (SiPh) 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 SiPh 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 Silicon Photonics QSFP-DD is widely used for 400 gigabit Ethernet, 400G to 4x 100GBASE-DR breakout, and data center interconnect. 

     

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

     

    Part Number QT-QDD-400G-DR4-Si Vendor Name QSFPTEK
    Form Factor QSFP-DD Max Data Rate 425 Gbps (4x 106.25 Gb/s)
    Wavelength 1310nm Distance 500m
    Connector MPO-12/APC Cable Type SMF
    Transmitter Type SiPh Based Receiver Type SiPh Based
    TX Power -2.9 to 4 dBm Receiver Sensitivity <-5.9 dBm
    Packaging Technology 3D Packaging Receiver Overload 4 dBm
    Power Consumption <10W Modulation Format PAM4
    DDM/DOM Supported Temperature 0 to 70°C (32 to 158°F)
    Protocols QSFP-DD MSA, CMIS, 802.3bs 400GBASE-DR4 and RoHS 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

    Applications

    Scenario 1: 400G to 400G Direct Connectivity

    QT-QDD-400G-DR4-Si 400G to 400G Direct Connectivity

     

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

    QT-QDD-400G-DR4-Si 400G to 4x 100G-DR Breakout Connectivity

     

     

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

    QT-QDD-400G-DR4-Si 800G 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)

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    Resources

    • PDF Document
      QT-QDD-400G-DR4-Si Datasheet.pdf
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    Generic Compatible 400GBASE-DR4 SiPh QSFP-DD PAM4 1310nm 500m DDM MPO-12/APC SMF Silicon Photonics Baed Optical Transceiver Module

    Compatible Generic

    Transceivers type GE-QDD-400G-DR4-Si | 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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    Generic Compatible 400GBASE-DR4 SiPh QSFP-DD PAM4 1310nm 500m DDM MPO-12/APC SMF Silicon Photonics Baed Optical Transceiver Module
    US$ 674.90
    Compatible
    Generic
    Transceivers type
    GE-QDD-400G-DR4-Si | 500m | MPO-12/APC
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    Bulk Order Quotes
    Generic Compatible 400GBASE-DR4 SiPh QSFP-DD PAM4 1310nm 500m DDM MPO-12/APC SMF Silicon Photonics Baed Optical Transceiver Module

    Compatible Generic

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

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