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HPE 845408-B21 100Gb Qsfp28 To Qsfp28 5M Dac

The HPE 845408-B21 is a high-performance, 100Gb QSFP28 to QSFP28 Direct Attach Copper (DAC) cable, designed for efficient, high-speed data transmission over short distances. Measuring 5 meters in length, this cable is ideal for connecting network equipment in data centers, offering reduced latency and power consumption compared to optical solutions. Its robust construction ensures reliable performance and longevity, supporting advanced data rates for cutting-edge networking environments. Perfect for applications requiring rapid data transfer and high-density connectivity.

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HPE 845408-B21 100Gb Qsfp28 To Qsfp28 5M Dac

Features

  • High-speed data transfer rate of up to 100Gbps
  • Direct Attach Copper (DAC) technology for low latency
  • Compatible with QSFP28 ports
  • Durable 5-meter cable length
  • Plug and play design for seamless installation
  • Optimized for HPE networking hardware
  • Ideal for high-performance computing and data center environments

Technical Specifications

  • Model Number: 845408-B21
  • Cable Type: Direct Attach Copper (DAC)
  • Data Rate: 100Gbps
  • Connector Type: QSFP28 to QSFP28
  • Cable Length: 5 meters
  • Compatibility: QSFP28 ports
  • Operating Temperature: 0°C to 70°C (32°F to 158°F)
  • Storage Temperature: -40°C to 85°C (-40°F to 185°F)
  • Compliance: RoHS

Frequent Ask Questions

  • What is the HPE 845408-B21 100Gb QSFP28 to QSFP28 5M DAC?

    The HPE 845408-B21 is a 100Gb Direct Attach Cable (DAC) that uses QSFP28 connectors on both ends and has a length of 5 meters.

  • What are the primary use cases for this DAC?

    This DAC is typically used to connect high-speed network equipment such as switches, routers, and servers within data centers.

  • What are QSFP28 connectors?

    QSFP28 stands for Quad Small Form-factor Pluggable, 28 gigabits per second. It is a compact, hot-pluggable transceiver used for high-speed network communications.

  • Is this DAC cable compatible with non-HPE equipment?

    While it is designed for HPE equipment, the 100Gb QSFP28 DACs are generally standardized and may be compatible with other networking equipment that supports QSFP28 ports. However, it is recommended to verify compatibility with non-HPE devices.

  • Why would I choose a DAC over other types of cabling?

    DACs offer a cost-effective and energy-efficient solution for short-distance, high-speed data transmission within racks or adjacent racks in a data center environment. They provide a direct electrical connection, which typically results in lower latency compared to optical cables.

  • What is the typical application distance for this DAC?

    This 5 meter DAC is designed for short-range applications, typically within a single data center rack or between closely situated racks.

  • Does this cable require any special installation procedures?

    No special installation procedures are required. The cable is plug-and-play, meaning it can be easily installed by plugging the QSFP28 connectors into the appropriate ports on the network equipment.

  • Can this cable be used in outdoor environments?

    No, this DAC is intended for indoor use within controlled environments such as data centers and is not designed to withstand outdoor conditions.

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When you purchase from us, rest assured that your items (excluding software) are protected under a robust 12-month warranty. Should your goods cease to function as promised within this period due to no fault of your own, we'll make it right by either repairing or replacing them. Our commitment ensures you might receive a refurbished or equivalent replacement, always meeting or exceeding the original specifications.

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While we stand behind the excellent quality and performance of our goods, please note that our warranty primarily covers operational defects. We aim for transparency and fairness in our warranty provisions, without making broader claims about the general durability or suitability for unintended purposes.

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Even under rigorous legal frameworks like the Competition and Consumer Act 2010, our warranty remains robust. We limit our liability for any breaches, ensuring that remedies might include replacement, repair, or appropriate compensation, whether you've bought products or services.

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Changed your mind? No problem! Returns are easy with our consent—just be mindful of a 15% handling and restocking fee. Remember, all transportation costs are covered by you, ensuring a smooth and transparent process. Unauthorised returns aren't eligible for credit but rest easy knowing we will handle your items responsibly, even using them as security until any outstanding payments are settled.

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We take every precaution to ensure your goods arrive safely. In the rare event that something goes wrong during transit, please note that the carrier acts on your behalf, even if we arranged the delivery.

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If there’s an issue with your delivery, such as missing items, simply notify us in writing within 7 days. We’re here to help and will address any concerns promptly. After this period, we’ll consider the delivery accepted and complete.

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Life happens, and sometimes unexpected events like strikes, machinery failures, or other external factors can delay your order. If such situations arise, we’ll work with you to either cancel the order with your consent or complete the delivery as soon as possible.

We’re dedicated to providing you with excellent service and timely deliveries. If you have any questions or need assistance, our friendly team is always here to help!

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