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    Home / Products / Transceivers / Direct Attach Cables (DACs) / 400G DAC / 103758

    1m (3ft) Generic Compatible 400G QSFP-DD to 2x 200G QSFP56 Passive Twinax Direct Attach Copper (DAC) Breakout Cable

    Product No: 103758
    0 Reviews
    7 Sold
    US$ 125.10
    Compatible
    Transceivers type
    58 in real-time stock, 04 Jun, 2026
    Delivered in 5 business days in the U.S.
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    1. Tested in Host Devices for compatibility and performance	
2. Low power consumption, low crosstalk. 
3. Cost-effective 400G to 2x 200G QSFP56 interconnect solution
4. Support for hot pluggable SFF-8636, QSFP-DD MSA, IEEE803.3bj&IEEE802.3cd Compliant
5. Ideal for data center short-range connection between servers, switches, etc.
    See more

    Specifications

    Generic Compatible 400G QSFP-DD to 2x 200G QSFP56 Twinax DAC Breakout Cable (1m, Passive, 0-70°C, 400G QSFP-DD to 200G QSFP56)

     

    The 400G QSFP-DD to 2x 200G QSFP56 passive direct attach copper twinax cables deliver high performance and bandwidth while offering a cost-effective interconnect solution. They provide reliable 400G QSFP-DD to 200G QSFP56 pluggable connectivity. Fully compliant with SFF-8636, QSFP-DD MSA, IEEE803.3bj&IEEE802.3cd standards. These cable assemblies are an excellent choice for 400G Ethernet deployments, such as 400G switches, servers, routers and other products application needs.

     

    Part Number QT-400G-QDD2Q56-P1M Vendor Name QSFPTEK
    Connector Type QSFP-DD to 2x QSFP56 Data Rate 400 Gbps
    Minimum Bend Radius 33.5mm Wire AWG 30AWG
    Cable Length 1m (3ft) Jacket Material PVC 
    Cable Type Passive Twinax Media Copper
    Power Consumption ≤0.1W Temperature 0 to 70°C (32 to 158°F)
    Protocols IEEE802.3bj, IEEE802.3ck, SFF-8636, QSFP-DD MSA Modulation PAM4
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    Features

    • 1. High Reliablility and Best Price
      Proudly self-producing and rigorous testing, QSFPTEK is dedicated to delivering cost-effective products with high reliability and performance at trade price.
    • 2. Wide Application Scenarios
      Ideal for ToR, adjacent racks, and short-range 400G Ethernet connections.
    • 3. Protocols
      Compliant with IEEE802.3bj, IEEE802.3ck, SFF-8636, QSFP-DD MSA standards.
    • 4. Quality Certifications
      Backed by CE, FCC, ROSH, ISO9001.

    Applications

    400G QSFP-DD to 2x 200G QSFP56 Direct Connectivity:

    400G QSFP-DD to 2x 200G QSFP56

    Product details

    Various Switch Tests

      

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

         

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    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.

                                                              

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    Comprehensive Testing

     

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

                                 

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    • PDF Document
      QT-400G-QDD2Q56-PxM Datasheet.pdf
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    1m (3ft) Generic Compatible 400G QSFP-DD to 2x 200G QSFP56 Passive Twinax Direct Attach Copper (DAC) Breakout Cable

    Compatible Generic

    Transceivers type QT-400G-QDD2Q56-P1M

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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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    1m (3ft) Generic Compatible 400G QSFP-DD to 2x 200G QSFP56 Passive Twinax Direct Attach Copper (DAC) Breakout Cable
    US$ 125.10
    Compatible
    Generic
    Transceivers type
    QT-400G-QDD2Q56-P1M
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    Bulk Order Quotes
    1m (3ft) Generic Compatible 400G QSFP-DD to 2x 200G QSFP56 Passive Twinax Direct Attach Copper (DAC) Breakout Cable

    Compatible Generic

    Transceivers type QT-400G-QDD2Q56-P1M

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