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    Products / Transceivers / Direct Attach Cables (DACs) / 200G DAC / 202975
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    3m (10ft) Generic Compatible Ethernet 200G QSFP-DD to 8 x 25G SFP28 Passive Twinax Direct Attach Copper (DAC) Breakout Splitter Cable

    Product No: 202975
    0 Reviews
    10 Sold
    $235.70
    Compatible
    Transceivers type
    7 in real-time stock, 27Oct, 2026
    Delivered in 5 business days in the U.S.
    5-Year Warranty 30-Day Returns 90-Day Exchange
    Warranty
    Providing industry-leading limited lifetime warranty.
    Please check our warranty policy for details.
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    Please ensure that the item you're returning is repackaged with all the cords, adapters, and documentation included when you receive it.
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    1. Tested in host devices for compatibility and performance				
2. Max. power consumption 0.1W (QSFP-DD End), 0.1W (SFP28 Per End)	
3. Minimum Bend Radius 22.5mm for flexible routing				
4. 200G to 8x 25G Ethernet breakout
5. Cost-effective alternative to 200Gb/s and 25Gb/s fiber optics
    See more

    Specifications

    Generic Compatible 200G QSFP-DD to 8 x 25G SFP28 Twinax DAC Breakout Splitter Cable (3m, Passive, 28AWG, 0-70°C, QSFP-DD to SFP28)

     

    The Generic compatible 200G QSFP-DD to 8 x 25G SFP28 breakout DAC provides connectivity between system units with a 200Gb/s QSFP28 connector on one side and eight separate 25Gb/s SFP28 connectors on the other. The 200G direct attach copper splitter cable is a high-speed and cost-effective alternative to 200Gb/s and 25Gb/s fiber optics, offering an affordable Ethernet connectivity solution for high-performance computing (HPC) environments.

     

    Optimized for short-reach connectivity, it is used for linking switches, routers, servers, and storage racks — both within and between adjacent racks. It delivers 200G transmission via 8 transmit and 8 receive channels, fully compliant with QSFP-DD MSA, SFF-8432, IEEE 802.3bs-200GAUI-8, IEEE802.3by-25GAUI, CMIS 4.0, and SFF-8472 standards. 

     

    Part Number QT-QDD-8S28-DAC-3M Vendor Name QSFPTEK
    Form Factor QSFP-DD to 8x SFP28 Max Data Rate 200Gbps
    Cable Length 3m (10ft) Cable Type Passive Breakout DAC
    Media Copper Minimum Bend Radius 22.5mm
    Wire AWG 28AWG Modulation Format QSFP-DD-8x 25G-NRZ
    SFP28-25G-NRZ
    Max. Power Consumption 0.1W (QSFP-DD End)
    0.1W (SFP28 Per End)    		 Jacket Material PVC (OFNR)
    Commercial Temperature Range 0 to 70°C (32 to 158°F) DDM/DOM Not Supported
    Protocols QSFP-DD MSA, SFF-8432, IEEE 802.3bs-200GAUI-8, IEEE802.3by-25GAUI, CMIS 4.0, SFF-8472 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

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    Applications

    200G-to-Eight 25G Links for Switch-to-Switch:

    200G-to-Eight 25G Links for Switch-to-Switch 

     

    200G-to-Eight 25G Links for Switch-to-Server:

    200G-to-Eight 25G Links for Switch-to-Server

    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 (8)
    • QT-QSFP56-DAC-P1M (1)
    • QT-QDD-4Q28-DAC-2M (1)
    • Once I place an order for my direct attach cables, how long will it take to receive them?
      QSFPTEK has been maintaining adequate stock level of kinds of Direct Attach Copper Cables in the warehouse. As long as the products you order are all in stock, we will ship them out the same day you place your order. As for some specific products or products that have a short stock, we will keep you informed ahead of time before you place your order.
    • Why should I trust QSFPTEK compatible direct attach cables?
      Exceting the price advantage we have compared to branded cables, QSFPTEK DACs also maintain the same performance and reliability. To satisfy our customers' needs of high performance, all of our DACs are tested multiple times in mainstream original brand switches in our test center before shipped out. What's more, using compatible optics in brand devices will not negatively affect manufacturers' warranty if that's your concern.
    • Can I have different compatibilities for each end of my direct attach cables?
      Yes, QSFPTEK offers customized dual compatibility solutions for direct attach cables so that you can choose compatibilities for each end individually. Just contact your sales rep. for detailed compatible customization on dual ends.

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    Product image
    3m (10ft) Generic Compatible Ethernet 200G QSFP-DD to 8 x 25G SFP28 Passive Twinax Direct Attach Copper (DAC) Breakout Splitter Cable

    Compatible Generic

    Transceivers type GE-QDD-8S28-DAC-3M

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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!

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    Product image
    3m (10ft) Generic Compatible Ethernet 200G QSFP-DD to 8 x 25G SFP28 Passive Twinax Direct Attach Copper (DAC) Breakout Splitter Cable
    $235.70
    Compatible
    Generic
    Transceivers type
    GE-QDD-8S28-DAC-3M
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    Product image
    3m (10ft) Generic Compatible Ethernet 200G QSFP-DD to 8 x 25G SFP28 Passive Twinax Direct Attach Copper (DAC) Breakout Splitter Cable

    Compatible Generic

    Transceivers type GE-QDD-8S28-DAC-3M

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