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    Home / Products / Transceivers / Direct Attach Cables (DACs) / 200G DAC / 203045

    2.5m (8ft) Arista Compatible 200G QSFP-DD to 4x 50G QSFP28 Ethernet Passive Twinax Direct Attach Copper (DAC) Breakout Cable

    Product No: 203045
    0 Reviews
    28 Sold
    US$ 185.20
    Compatible
    Transceivers type
    192 in real-time stock, 03 Jun, 2026
    Delivered in 5 business days in the U.S.
    5-Year Warranty 30-Day Returns 90-Day 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. Tested in Host Devices for compatibility and performance.
2. Low power consumption with a maximum of 0.5W.
3. Supports 200G to 4x 50G Ethernet breakout.
4. Simplifies cabling and provides a cost-effective solution for short-reach links.
5. Hot-pluggable and compliant with QSFP-DD and QSFP28 MSA.
6. Low Insertion Loss and ultra-Low Crosstalk for superior signal performance.
    See more

    Specifications

    Arista Compatible 200G QSFP-DD to 4x 50G QSFP28 Ethernet Passive Breakout DAC (2.5m, Passive, 28AWG, 0-70°C) 

     

    The Arista compatible 200G QSFP-DD to 4× 50G QSFP28 breakout DAC operates over passive copper, ensuring reliable high-speed connectivity. It is compliant with QSFP-DD MSA Rev. 5.0, CMIS Rev. 4.0, and IEEE 802.3cd standards. This breakout cable connects a 200G QSFP-DD port on one end to four 50G QSFP28 ports on the other end, making it ideal for cost-effective short-range interconnections within telecom operator facilities, data center equipment rooms, and similar environments.

     

    Part Number QT-QDD-4Q28-DAC-2.5M Vendor Name QSFPTEK
    Connector Type QSFP-DD to 4x QSFP28 Max Data Rate 200Gbps
    Cable Length 2.5m (8ft) Cable Type Passive Breakout DAC
    Media Copper Minimum Bend Radius 35mm
    Wire AWG 28AWG Modulation Format

    NRZ
    Max. Power Consumption

    0.5W

    		Jacket Material PVC (OFNR)
    Commercial Temperature Range 0 to 70°C (32 to 158°F) DDM/DOM Not Supported
    Protocols IEEE 802.3bj, IEEE 802.3cd, SFF-8636, QSFP-DD and QSFP28 MSA Warranty 5 Years

     

     

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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 switches, servers, routers and other products application needs.
    • 3. Protocols
      Compliant with QSFP-DD MSA Rev. 5.0, CMIS Rev 4.0, IEEE 802.3cd
    • 4. Quality Certifications
      Backed by CE, FCC, ROSH, ISO9001.

    Applications

    200G to 4x 50G Breakout Connectivity for Switch-to-Switch Interconnect:

    200G QSFP-DD to 4x 50G QSFP28 breakout applications

    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.

                                 

    QSFPTEK Test Devices

     

    Questions & Answers

    • ALL (3)
    • QT-QDD-4Q28-DAC-2M (1)
    • QT-QSFP56-DAC-P1M (1)

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    Resources

    • PDF Document
      QT-QDD-4Q28-DAC-xM Datasheet.pdf
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    2.5m (8ft) Arista Compatible 200G QSFP-DD to 4x 50G QSFP28 Ethernet Passive Twinax Direct Attach Copper (DAC) Breakout Cable

    Compatible Arista

    Transceivers type AR-QDD-4Q28-DAC-2.5M

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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
    2.5m (8ft) Arista Compatible 200G QSFP-DD to 4x 50G QSFP28 Ethernet Passive Twinax Direct Attach Copper (DAC) Breakout Cable
    US$ 185.20
    Compatible
    Arista
    Transceivers type
    AR-QDD-4Q28-DAC-2.5M
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    Bulk Order Quotes
    2.5m (8ft) Arista Compatible 200G QSFP-DD to 4x 50G QSFP28 Ethernet Passive Twinax Direct Attach Copper (DAC) Breakout Cable

    Compatible Arista

    Transceivers type AR-QDD-4Q28-DAC-2.5M

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