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    Products / Transceivers / NVIDIA InfiniBand Transceivers / 1.6T DAC InfiniBand XDR / 202904
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    1m (3ft) NVIDIA/Mellanox Compatible Twin-Port 2× 800G OSFP224 to Twin-Port 2× 800G OSFP224 IHS/Closed Finned Top InfiniBand XDR Passive Twinax Direct Attach Copper (DAC) Cable

    Product No: 202904
    0 Reviews
    3 Sold
    $614.66
    Compatible
    Transceivers type
    11 in real-time stock, 04Nov, 2026
    Delivered in 5 business days in the U.S.
    5-Year Warranty 1-Year Exchange
    Warranty
    Providing industry-leading limited lifetime warranty.
    Please check our warranty policy for details.
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    1. Rigorously tested and fully compatible with NVIDIA Quantum-X800 Q3400-RA XDR switch devices.
2. Supports 8 lanes with 200G PAM4 electrical modulation.
3. Max. power consumption 0.1W per end.
4. Ultra-low insertion loss prevents bandwidth bottlenecks in AI clusters.
5. Shielded copper construction minimizes EMI and crosstalk at 200G per lane.
6. Support both InifiniBand XDR and Ethernet.
    See more

    Specifications

    NVIDIA/Mellanox Compatible Twin-Port 2x800G OSFP224 IHS/Closed Finned Top InfiniBand Twinax DAC Cable (1m, Passive, 26AWG, 0-70°C, OSFP224 to OSFP224)

                    

    QSFPTEK NVIDIA/Mellanox Compatible OSFP224 1.6T DAC is a 1600Gb/s OSFP224 to OSFP224 Passive Copper Cable (DAC) featuring an Integrated Heat Sink to Integrated Heat Sink design. DAC cables offer the most cost-effective, ultra-low-latency, and near-zero power consumption solution for high-speed interconnects, thanks to their simple architecture and minimal components. Built with the Octal Small Form-factor Plug (OSFP) interface, this cable contains eight high-speed copper lanes, each supporting data rates of up to 200Gb/s. QSFPTEK DAC solutions deliver power-efficient connectivity, enabling higher port bandwidth, greater density, and flexible configuration while reducing overall cost and power consumption in modern data center environments.

                  

    Part Number QT-O224-1.6T-DAC-P1M Vendor Name QSFPTEK
    Form Factor Twin-port OSFP224-IHS/Closed Finned Top Max Data Rate 1600 Gbps
    Media Copper Cable Type Passive Twinax
    Cable Length 1m Minimum Bend Radius 10xOD
    Jacket Material PET Wire AWG 26 AWG
    Max. Power Consumption <0.1W per end Modulation Format 8x 200G-PAM4 to 8x 200G-PAM4 electrical
    Power supply 3.3V Temperature 0 to 70°C (32 to 158°F)
    Protocols OSFP MSA, InfiniBand XDR and Ethernet 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

    Applications

    Scenario 1: 1.6T XDR Switch to 1.6T XDR Switch Direct Connectivity

     

    Scenario 1: 1.6T XDR Switch to 1.6T XDR Switch Direct Connectivity

     

    Product details

    Questions & Answers

    • All (7)
    • QT-O224-1.6T-ACC (4)
    • What applications is the 1.6T DAC high-speed cable suitable for?
      It is ideal for AI clusters, data centers, and high-performance computing environments that require ultra-high bandwidth and low-latency interconnects.
    • Does the 1.6T DAC cable work with NVIDIA Quantum-X800 Infiniband switch?
      Yes, QSFPTEK 1.6T InfiniBand XDR DACs are verified to be compatible with the NVIDIA Quantum-X800 Infiniband switch.
    • Should I choose InfiniBand 1.6T DAC or 1.6T optical transceivers?
      It depends on your transmission distance and deployment scenario. InfiniBand 1.6T DAC is ideal for short-range connections, offering lower cost, lower power consumption, and plug-and-play simplicity. In contrast, 1.6T optical transceivers are better suited for longer distances and higher flexibility, but come with higher cost and power consumption.In short, choose DAC for cost-effective short links, and optical modules for longer-distance, scalable deployments.

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    Product image
    1m (3ft) NVIDIA/Mellanox Compatible Twin-Port 2× 800G OSFP224 to Twin-Port 2× 800G OSFP224 IHS/Closed Finned Top InfiniBand XDR Passive Twinax Direct Attach Copper (DAC) Cable

    Compatible NVIDIA/Mellanox (InfiniBand/Ethernet)

    Transceivers type 1.6T OSFP224 Passive DAC | 1m (3ft) | IHS

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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
    1m (3ft) NVIDIA/Mellanox Compatible Twin-Port 2× 800G OSFP224 to Twin-Port 2× 800G OSFP224 IHS/Closed Finned Top InfiniBand XDR Passive Twinax Direct Attach Copper (DAC) Cable
    $614.66
    Compatible
    NVIDIA/Mellanox (InfiniBand/Ethernet)
    Transceivers type
    1.6T OSFP224 Passive DAC | 1m (3ft) | IHS
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    Product image
    1m (3ft) NVIDIA/Mellanox Compatible Twin-Port 2× 800G OSFP224 to Twin-Port 2× 800G OSFP224 IHS/Closed Finned Top InfiniBand XDR Passive Twinax Direct Attach Copper (DAC) Cable

    Compatible NVIDIA/Mellanox (InfiniBand/Ethernet)

    Transceivers type 1.6T OSFP224 Passive DAC | 1m (3ft) | IHS

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