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    Products / Transceivers / Direct Attach Cables (DACs) / 40G QSFP+ DAC / 99587
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    7M Cisco QSFP-H40G-ACU7M Compatible 40G QSFP+ Active Direct Attach Copper Cable

    Product No: 99587
    0 Reviews
    95 Sold
    $285.00
    Compatible
    Transceivers type
    116 in real-time stock, 22Oct, 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.
    Returns & Exchange
    Exchanges caused by the customer's reasons will not be accepted.
    Please ensure that the item you're returning is repackaged with all the cords, adapters, and documentation included when you receive it.
    Please check our Return Policy for details.
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    Add to Cart Bulk Order Quotes 
    1. 40G QSFP+ to QSFP+ Connetor
2. Low Latency and Power Consumption
3. Compatible with 200+ Vendors
4. Applied in 40G Ethernet Hub, Switches, Routers and Servers, etc.
5. QSFP+ MSA Compliant
    See more

    Specifications

    Cisco QSFP-H40G-ACU7M Compatible 40G QSFP+ DAC Twinax Cable (7-meter, Active, QSFP+ to QSFP+)

     

    Cisco QSFP-H40G-ACU7M compatible 40G QSFP+ DAC is comprised of a Twinax copper cable terminated with QSFP+ connectors on both ends. Featured with lower latency, lower power and lower cost, this 40G QSFP+ DAC is verified to interoperate with original Cisco switches, including the Catalyst 3560X/3650/3850/4500/6000/6800/8500/9200/9300/9300X/9300L/9350/9400/9400X/9500/9600/9610/9800 and Nexus 2000/3000/5000/6000/7000/7700/9200/9300/9500/9800 series. This 40G QSFP+ active direct attach copper Twinax cable is widely applied in data centers for high-performance computing network cabling systems.

     

    Part Number QT-QSFP-AC7 Vendor Name QSFPTEK
    Connector Type QSFP+ to QSFP+ Data Rate 40 Gbps
    Minimum Bend Radius 33mm Wire AWG 30AWG
    Cable Length 7m Cable Jacket PVC (OFNR)

     

     

    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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    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 server-to-switch connections.
    • 3. Protocols
      Compliant with QSFP+ MSA, InfiniBand SDR/DDR/QDR, IEEE802.3ba and SFF-8436.
    • 4. Quality Certifications
      Backed by CE, FCC, ROSH, ISO9001.

    Applications

    Connection 1: 40G Switch to 40G Switch Direct Connectivity

    Connection 1: 40G Switch to 40G Switch Direct Connectivity (Active)

    Connection 2: 40G Switch to 40G NIC Direct Connectivity

    Connection 2: 40G Switch to 40G NIC Direct Connectivity (Active)

    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

               

           

    40G QSFP+ Cables Contrast Table

       

    Part Number QT-QSFP-PCx QT-QSFP-ACx QT-Q4S-PCx QT-QSFP-Ax QT-Q4S-Ax
    Image
    Cable Type Passive Direct Attach Copper Active Direct Attach Copper Passive Direct Attach Copper Breakout Active Optical Cable Active Optical Cable Breakout
    Max Data Rate 40Gbps 40Gbps 40Gbps 40Gbps 40Gbps
    Connector Type QSFP+ to QSFP+ QSFP+ to QSFP+ 40G QSFP+ to 4x10 SFP+ QSFP+ to QSFP+ 40G QSFP+ to 4x10 SFP+
    Wire AWG 30AWG 30AWG 30AWG / /
    Minimum Bend Radius 33mm 33mm 21mm 7.5mm 7.5mm
    Media Copper Copper Copper Optic Fiber Optic Fiber
    Jacket Material PVC (OFNR) PVC (OFNR) PVC (OFNR) LSZH LSZH

    Questions & Answers

    • All (5)
    • 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.

    Customer Reviews

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    Resources

    • PDF Document
      QT-QSFP-ACx Datasheet.pdf
    Check Test Reports on Target Device
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    Product image
    7M Cisco QSFP-H40G-ACU7M Compatible 40G QSFP+ Active Direct Attach Copper Cable

    Compatible Cisco

    Transceivers type QSFP-H40G-ACU7M

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    Satisfaction
    Customer Gallery
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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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    7M Cisco QSFP-H40G-ACU7M Compatible 40G QSFP+ Active Direct Attach Copper Cable
    $285.00
    Compatible
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    Transceivers type
    QSFP-H40G-ACU7M
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    7M Cisco QSFP-H40G-ACU7M Compatible 40G QSFP+ Active Direct Attach Copper Cable

    Compatible Cisco

    Transceivers type QSFP-H40G-ACU7M

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