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    Home / Products / Transceivers / Direct Attach Cables (DACs) / 400G DAC / 103639

    2m (7ft) Generic Compatible 400G QSFP-DD to 4x 100G QSFP56 Passive Twinax Direct Attach Copper (DAC) Breakout Cable

    Product No: 103639
    0 Reviews
    17 Sold
    US$ 179.90
    Compatible
    Transceivers type
    81 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 4x 100G interconnect solution
4. Support for hot pluggable QSFP-DD and QSFP56 MSA Compliant
5. Ideal for data center short-range connection between servers, switches, etc.
    See more

    Specifications

    Generic Compatible 400G QSFP-DD to 4x 100G QSFP56 Twinax DAC Cable (2m, Passive, 0-70°C, 400G QSFP-DD to 4 x 100G QSFP56)

                

    The 400G QSFP-DD to 4 x100G QSFP56 passive direct attach copper twinax cables deliver high performance and bandwidth while offering a cost-effective interconnect solution. They provide reliable QSFP-DD and QSFP56 pluggable connectivity. Fully compliant with SFF-8636, QSFP-DD MSA, IEEE802.3bj and IEEE 802.3cd 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-Q4Q56-P2M Vendor Name QSFPTEK
    Connector Type OSFP-DD to 4x QSFP56 Data Rate 400Gb/s to 4x 100Gb/s
    Minimum Bend Radius 35mm Wire AWG 30AWG
    Cable Length 2m (7ft) Jacket Material PVC
    Cable Type Passive Twinax Media Copper
    Power Consumption ≤0.1W Temperature 0 to 70°C (32 to 158°F)
    Protocols SFF-8636, QSFP-DD MSA, IEEE802.3bj, IEEE 802.3cd Modulation PAM4
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    Take a look at our test program to get the reliable and high-performance optical transceivers.

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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, IEEE 802.3cd, SFF-8636, QSFP-DD MSA
    • 4. Quality Certifications
      Backed by CE, FCC, ROSH, ISO9001.

    Applications

    400G Switch to 100G Switches Connectivity:

    QT-400G-Q4Q56-PxM Connectivity

    Product details

    Various Switch Tests

      

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

         

    QSPFTEK LAB All Brands Switches Show

     

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

                                 

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    • QT-400G-Q4Q56-PxM Datasheet.pdf
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    2m (7ft) Generic Compatible 400G QSFP-DD to 4x 100G QSFP56 Passive Twinax Direct Attach Copper (DAC) Breakout Cable

    Compatible Generic

    Transceivers type QT-400G-Q4Q56-P2M

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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
    2m (7ft) Generic Compatible 400G QSFP-DD to 4x 100G QSFP56 Passive Twinax Direct Attach Copper (DAC) Breakout Cable
    US$ 179.90
    Compatible
    Generic
    Transceivers type
    QT-400G-Q4Q56-P2M
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    Bulk Order Quotes
    2m (7ft) Generic Compatible 400G QSFP-DD to 4x 100G QSFP56 Passive Twinax Direct Attach Copper (DAC) Breakout Cable

    Compatible Generic

    Transceivers type QT-400G-Q4Q56-P2M

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