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    Products / Transceivers / NVIDIA InfiniBand Transceivers / 800G DAC InfiniBand NDR / 203209
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    2.5m (8ft) NVIDIA/Mellanox MCP7Y00-N02A Compatible 800G OSFP IHS/Finned Top to 2x 400G OSFP RHS/Flat Top Passive DAC Breakout Splitter Cable for Quantum-2 InfiniBand NDR Switch or Spectrum-4 Ethernet Switch to Connect ConnectX-7 PCIe NIC

    Product No: 203209
    0 Reviews
    80 Sold
    $340.50
    Compatible
    Transceivers type
    19 in real-time stock, 23Oct, 2026
    Delivered in 5 business days in the U.S.
    5-Year Warranty 1-Year Exchange
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    Providing industry-leading limited lifetime warranty.
    Please check our warranty policy for details.
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    1. 100% verified compatibility with NVIDIA QM9700/QM9790.
2. Max. Power Consumption 0.1W.
3. Ultra-low insertion loss prevents bandwidth bottlenecks in AI clusters.
4. CMIS, OSFP MSA and IEEE802.3ck compliant for reliable performance.
5. Support both InifiniBand NDR and Ethernet.
    See more

    Specifications

    NVIDIA/Mellanox MCP7Y00-N02A Compatible 800G OSFP to 2x 400G OSFP Twinax DAC Breakout Cable (2.5m, Passive, 26AWG, 0-70°C, OSFP to 2x OSFP)

     

    QSFPTEK NVIDIA/Mellanox MCP7Y00-N02A Compatible 800G OSFP to 2x400G OSFP DAC cable is designed to connect 800Gb/s Quantum-2 InfiniBand or Spectrum-4 Ethernet switches with two OSFP-based 400Gb/s ConnectX-7 network adapter cards. Featuring an 800G twin-port OSFP Finned Top connector on one end and dual 400G OSFP Flat Top connectors on the other, this passive breakout DAC cable supports high-density 800G to dual 400G connections for AI/ML training clusters, hyperscale cloud data centers, and HPC environments. Compliant with OSFP MSA and IEEE 802.3ck standards, it delivers low latency, low power consumption, and cost-effective performance while enabling reliable server-to-TOR connectivity.

             

    Part Number QT-O-2O112-P2.5M Vendor Name QSFPTEK
    Connector Type 800G OSFP to 2x 400G
    OSFP    		 Data Rate 800 Gbps
    Minimum Bend Radius 40.5mm Wire AWG 26AWG
    Cable Length 2.5m (8ft) Jacket Material PVC (OFNR)
    Cable Type Passive Twinax Media Copper
    Power Consumption ≤0.1W Temperature 0 to 70°C (32 to 158°F)
    Protocols IEEE 802.3ck, CMIS, OSFP MSA Modulation PAM4
    Quality Testing Program
    Optical Transceivers Testing

    Take a look at our test program to get the reliable and high-performance optical transceivers.

    Quality Certifications

    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 Quantum-2 Switch or Spectrum-4 Switch to ConnectX-7 PCIe NIC.
    • 3. Protocols
      Compliant with IEEE 802.3ck, CMIS, OSFP MSA.
    • 4. Quality Certifications
      Backed by CE, FCC, ROSH, ISO9001.

    Applications

    Scenario 1: Quantum-2 InfiniBand or Spectrum-4 Ethernet Switches to Dual 400G Breakout for Switch-to-Server Connectivity

    Scenario 1: Quantum-2 InfiniBand or Spectrum-4 Ethernet Switches to Dual 400G Breakout for Switch-to-Server Connectivity

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    • PDF Document
      QT-O-2O112-PxM Datasheet.pdf
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    Product image
    2.5m (8ft) NVIDIA/Mellanox MCP7Y00-N02A Compatible 800G OSFP IHS/Finned Top to 2x 400G OSFP RHS/Flat Top Passive DAC Breakout Splitter Cable for Quantum-2 InfiniBand NDR Switch or Spectrum-4 Ethernet Switch to Connect ConnectX-7 PCIe NIC

    Compatible NVIDIA/Mellanox (InfiniBand/Ethernet)

    Transceivers type MCP7Y00-N02A | 800G to 2x 400G OSFP Passive DAC | 2.5m (8ft) | IHS to RHS

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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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    Product image
    2.5m (8ft) NVIDIA/Mellanox MCP7Y00-N02A Compatible 800G OSFP IHS/Finned Top to 2x 400G OSFP RHS/Flat Top Passive DAC Breakout Splitter Cable for Quantum-2 InfiniBand NDR Switch or Spectrum-4 Ethernet Switch to Connect ConnectX-7 PCIe NIC
    $340.50
    Compatible
    NVIDIA/Mellanox (InfiniBand/Ethernet)
    Transceivers type
    MCP7Y00-N02A | 800G to 2x 400G OSFP Passive DAC | 2.5m (8ft) | IHS to RHS
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    Product image
    2.5m (8ft) NVIDIA/Mellanox MCP7Y00-N02A Compatible 800G OSFP IHS/Finned Top to 2x 400G OSFP RHS/Flat Top Passive DAC Breakout Splitter Cable for Quantum-2 InfiniBand NDR Switch or Spectrum-4 Ethernet Switch to Connect ConnectX-7 PCIe NIC

    Compatible NVIDIA/Mellanox (InfiniBand/Ethernet)

    Transceivers type MCP7Y00-N02A | 800G to 2x 400G OSFP Passive DAC | 2.5m (8ft) | IHS to RHS

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