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    Home / Products / Transceivers / 400G/800G Ethernet Transceivers / 400G QSFP-DD / 100246

    Juniper Compatible QDD-400G-LR8 400G QSFP-DD LR8 PAM4 1310nm 10km DOM Duplex LC/UPC SMF Optical Transceiver Module

    Product No: 100246
    0 Reviews
    69 Sold
    US$ 3,099.00
    Compatible
    Transceivers type
    29 in real-time stock, 04 Jun, 2026

    Free Shipping over US$ 79.8

    Global warehouses in stock

    5-Year Warranty 1-Year Exchange
    Warranty
    Providing industry-leading limited lifetime warranty.
    Please check our warranty policy for details.
    Returns & Exchange
    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. Max data rate up to 425Gbps. QSFP-DD form factor.
2. Reach up to 10km over OS2.
3. Macom DSP Chip.
4. 8x 50G PAM4 modulation.
5. Compliant with QSFP-DD MSA, IEEE 802.3bs protocol, and 400GAUI-8/CEI-56G-VSR-PAM4.
    See more

    Specifications

    Juniper Compatible QDD-400G-LR8 400G QSFP-DD LR8 PAM4 1310nm 10km DOM Optical Transceiver Module (SMF, 1310nm, 10km, LC Connector, DOM)

     

    The Juniper QDD-400G-LR8 compatible optical transceiver module is designed with duplex LC connectors, reaching a link up to 10km over a standard pair of G.652 single-mode fiber(OS2). QSFPTEK manufactured 400GBASE-LR8 QSFP-DD transceiver module is compliant with QSFP-DD MSA, IEEE 802.3bs protocol, and 400GAUI-8/CEI-56G-VSR-PAM4 standard. Besides, 400G LR8 is designed based on PAM4 (Pulse Amplitude Modulation 4-level) modulation technology, DSP (Digital Signal Processing) chip, and QSFP-DD form factor. With these features, this 400G QSFP-DD transceiver is widely applied in 400G telecom connections, DCI, metro network, long-haul, and high-performance computing networks application.

     

    Part Number QT-QSFP-DD-LR8 Vendor Name QSFPTEK
    Form Factor QSFP-DD Interface Type LR8
    Max Data Rate 425Gbps Wavelength 1310nm
    Connector Duplex LC/UPC Cable Type SMF
    Max Cable Distance 10km Modulation PAM4
    TX Power -2.8~5.3dBm Receiver Sensitivity <-9.1dBm
    Transmitter Type LWDM EML Receiver Type PIN
    Power Consumption ≤13W 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

    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
      QSFP-DD MSA, IEEE 802.3bs and 400GAUI-8/CEI-56G-VSR-PAM4
    • 4. Quality Certifications
      Backed by CE, FCC, ROSH, ISO9001.

    Applications

    400G to 400G Direct Connectivity:

    QT-QSFP-DD-LR8 400G to 400G 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.

     

    QDD-400G-LR8-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.

     

     

     

    Long-Haul 400G QSFP-DD Optics Contrast Table

     

    Part Number

    QT-QSFP-DD-FR4

    QT-QSFP-DD-LR4

    QT-QSFP-DD-PLR4

    QT-QSFP-DD-LR8

    QT-QSFP-DD-ER8

    Image

    Center Wavelength

    1310nm

    1310nm

    1310nm

    1310nm

    1310nm

    Connector

    Duplex LC

    Duplex LC

    MTP/MPO-12

    Duplex LC

    Duplex LC

    Cable Distance (Max.)

    2km

    10km

    10km

    10km

    40km

    Modulation

    PAM4

    PAM4

    PAM4

    PAM4

    PAM4

    Transmitter + Receiver Type

    CWDM EML + PIN

    CWDM EML + PIN

    EML + PIN

    LWDM EML + PIN

    LWDM EML + APD

    TX Power

    -3.2~3.5dBm

    -2.7~1.5dBm

    -1.9~4.8dBm

    -2.8~5.3dBm

    -0.6~5.6dBm

    Receiver Sensitivity

    <-7.3dBm

    <-9.0dBm

    <-8.2dBm

    <-9.1dBm

    <-16.1dBm (SECQ–17.5dBm)

    Power Consumption

    ≤12W

    ≤12W

    ≤12W

    ≤13W

    ≤15.4W

    Temperature

    0 to 70°C (32 to 158°F)

    0℃ to 70℃

    0℃ to 70℃

    0℃ to 70℃

    0℃ to 70℃

    Application

    Data Center

    800G to 2x400G Breakout

    Data Center

    Data Center

    400G to 4x100G Breakout

    Data Center

    Data Center

      

    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-LR8 QDD-400G-LR8 Datasheet.pdf
    • PDF Document
      Transceiver Module User Guide.pdf
    Check Test Reports on Target Device
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    Juniper Compatible QDD-400G-LR8 400G QSFP-DD LR8 PAM4 1310nm 10km DOM Duplex LC/UPC SMF Optical Transceiver Module

    Compatible Juniper

    Transceivers type QDD-400G-LR8 | 10km | Duplex LC/UPC

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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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    Juniper Compatible QDD-400G-LR8 400G QSFP-DD LR8 PAM4 1310nm 10km DOM Duplex LC/UPC SMF Optical Transceiver Module
    US$ 3,099.00
    Compatible
    Juniper
    Transceivers type
    QDD-400G-LR8 | 10km | Duplex LC/UPC
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    Bulk Order Quotes
    Juniper Compatible QDD-400G-LR8 400G QSFP-DD LR8 PAM4 1310nm 10km DOM Duplex LC/UPC SMF Optical Transceiver Module

    Compatible Juniper

    Transceivers type QDD-400G-LR8 | 10km | Duplex LC/UPC

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