HPE 845406-B21 3 Meter Cable
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HPE 845406-B21 100GB QSFP28 3m Direct Attach Copper Cable Refurbished

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Part Number#: 845406-B21
List Price was: $530.23
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Short Description:
845406-B21 100 Gigabytes (GB) Quad Small Form-Factor Pluggable (QSFP) 28 3m Direct Attach Copper Cable for Network Device, Switch 12.50 GB/s 9.84 ft 1 x QSFP28 Network | Made by HPE | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
More Information on the Cable

the HPE 845406-B21 100 Gigabytes (GB) Quad Small Form-Factor Pluggable (QSFP) 28 3m Direct Attach Copper (DAC) Cable has emerged as a crucial component for seamless and high-speed data transfer. This cable is designed to cater to the demands of modern network devices and switches, providing a reliable and efficient solution for organizations seeking robust connectivity.

Understanding the BasicsHPE 845406-B21 Overview
  • The HPE 845406-B21 is a high-performance DAC cable designed for a variety of network applications. Its 100GB capacity makes it suitable for handling large volumes of data, making it an ideal choice for data-intensive tasks and demanding network environments.
Quad Small Form-Factor Pluggable (QSFP) 28
  • The QSFP28 interface is a compact, hot-pluggable transceiver used for high-speed communication within data centers and networks. In the context of the HPE 845406-B21, the QSFP28 interface ensures a standardized and reliable connection for seamless data transmission.
Direct Attach Copper (DAC) Cable
  • DAC cables are known for their cost-effective and energy-efficient characteristics. The direct attach copper construction of the HPE 845406-B21 ensures low latency and high signal integrity, making it a suitable choice for short-distance connections within a network.
Technical SpecificationsData Transfer Speed
  • With a data transfer speed of 12.50 gigabytes per second (GB/s), the HPE 845406-B21 ensures swift and efficient communication between network devices. This high-speed capability is crucial for meeting the ever-increasing demands of modern data centers and enterprise networks.
Cable Length
  • The 3-meter length of the cable provides flexibility in network design and deployment. This length is optimal for connecting devices within the same rack or adjacent racks, offering versatility in various networking scenarios.
Connector Type
  • The cable is equipped with a 1 x QSFP28 Network connector, ensuring a secure and standardized connection. The QSFP28 connector is widely adopted in the industry, providing compatibility with a range of network devices and switches.
Use CasesNetwork Devices
  • The HPE 845406-B21 is tailored for use with a variety of network devices, including servers, storage arrays, and other equipment in data centers. Its high data transfer speed ensures that these devices can communicate seamlessly, facilitating efficient data processing and access.
Switch Connectivity
  • The cable is specifically designed for switch connectivity, making it an integral component in building and expanding network infrastructure. Switches play a pivotal role in directing data traffic within a network, and the HPE 845406-B21 ensures a reliable and high-speed connection for optimal switch performance.
Benefits of HPE 845406-B21High Performance
  • The 100GB data transfer speed of the HPE 845406-B21 ensures that it can handle the demands of modern, data-intensive applications. This high performance is essential for organizations dealing with large datasets and requiring quick and efficient data processing.
Cost-Effective Connectivity
  • As a Direct Attach Copper cable, the HPE 845406-B21 offers a cost-effective solution for high-speed connectivity. Compared to optical fiber cables, DAC cables are known for their affordability and simplicity, making them an attractive choice for organizations looking to optimize their networking budget.
Versatility in Network Design
  • The 3-meter length of the cable provides versatility in network design. Whether connecting devices within the same rack or extending connections between adjacent racks, the HPE 845406-B21 offers flexibility to network architects and administrators.

The HPE 845406-B21 is designed to be compatible with a wide range of network devices and switches. Its QSFP28 connector follows an industry-standard, ensuring interoperability with devices from various manufacturers. This compatibility makes it a versatile and widely applicable solution for networking infrastructure.

Performance and Reliability

The 845406-B21 HPE 100GB QSFP28 to QSFP28 3m Direct Attach Copper Cable is a high-performance and reliable cable that is designed for use with 100 GbE QSFP28 transceivers. It has a maximum data transfer rate of 100 Gbps, and it is constructed with high-quality copper to ensure maximum signal integrity and minimal attenuation. The cable is also built to be durable and resistant to wear and tear, making it a reliable choice for use in data center and other high-performance networking environments.

Cable Length and Durability
  • The HPE 845406-B21 is a 100Gb QSFP28 to QSFP28 direct-attached copper cable that has a length of 3 meters. The cable is designed to provide high-speed connectivity between devices that have QSFP28 ports, such as servers, switches, and routers.
  • The cable is made of high-quality copper, which ensures its durability and longevity. Copper is a well-known conductor that offers excellent electrical conductivity and low resistance, making it ideal for high-speed data transfer. The cable is also shielded to protect against electromagnetic interference (EMI) and radio frequency interference (RFI) which can cause data errors and slow down data transfer speeds.
  • The 3-meter length of the cable is ideal for connecting devices that are located in close proximity to each other. This length is also suitable for rack-to-rack connections, as well as for connecting devices in data centers and other high-density environments.
General Information about the HPE 845406-B21
  • Brand Name: HPE
  • Part Number: 845406-B21
  • Sub-Type: 3 Meter
  • Type: Cables
Technical Feature of the Cables
  • Brand Name: HPE
  • Part Number: 845406-B21
  • Sub-Type: 3 Meter
  • Type: Cables
  • Cable Type: QSFP28
  • Cable Length: 9.84 ft
  • Connector on First End: 1 x QSFP28 Network
  • Connector on Second End: 1 x QSFP28 Network
  • Device Supported: Network Device Switch
  • Data Transfer Rate: 12.50 GB/s
Miscellaneous Information
  • Environmentally Friendly: Yes
  • Environmental Certification: REACH
Explanation of Short Forms
  • HPE: Stands for Hewlett Packard Enterprise, the brand of the product.
  • QSFP28: Refers to Quad Small Form-Factor Pluggable 28, specifying the cable type.
  • ft: Abbreviation for feet, indicating the length of the cable.
  • GB/s: Gigabytes per second, denoting the data transfer rate.
  • REACH A certification ensures the product meets environmental and health standards.

Finally, the HPE 845406-B21 100GB QSFP28 3m DAC Cable stands out as a reliable and high-performance solution for organizations seeking efficient connectivity for their network devices and switches. With its impressive data transfer speed, cost-effective design, and easy installation, this cable addresses the challenges of modern networking environments. Whether used in data centers or enterprise networks, the HPE 845406-B21 proves to be a valuable component for ensuring seamless and high-speed data transmission.

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.


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What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

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In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

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