400G QSFP56-DD Breakout AOC

Upgrade Your Networking with Ascentoptics 400G QSFP56-DD Breakout AOC

Looking to enhance your networking capabilities? Look no further than Ascentoptics, a trusted and reliable supplier from China. Our 400G QSFP56-DD Breakout AOC is a game-changer in networking. With its advanced technology and high-speed performance, this product will revolutionize how you connect and communicate experience lightning-fast data transfer rates and improved efficiency with our breakthrough AOC solution. Don’t miss out on this opportunity to upgrade your networking infrastructure. Contact us today to learn how Ascentoptics can take your network to the next level.

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    Introducing 400G QSFP56-DD Breakout AOC from AscentOptics

• AscentOptics’ 400G QSFP-DD Breakout AOC assemblies are designed with eight parallel lanes on the 400G end which can be fan-out to two or four lanes on the 200G/100G end.
• The assemblies transmit signals with 53.125Gb/ps PAM4 modulation and can go up to 100m through a multi-mode fiber cable.
• Compliant with QSFP-DD/SFP MSA and CMIS 4.0, they are high performance, high density and low power solutions suitable for short range interconnection in data centers, high-performance computing networks, enterprise core and distribution layers, and service provider applications.

400G QSFP56-DD Breakout AOC
400G QSFP56-DD Breakout AOC

800G OSFP AOC Series

400G QSFP-DD to 2x 200G QSFP56

Part NumberDescriptionData RateCable LengthFiber TypeCable Category
Q2Q56-400G-AOCxxM400G QSFP-DD to 2x 200G QSFP56 Breakout AOC Cable, xx Meter400 GbpsVariesOM3Active
Q2Q56-400G-AOC1M400G QSFP-DD to 2x 200G QSFP56 Breakout AOC Cable, 1 Meter400 Gbps1mOM3Active
Q2Q56-400G-AOC3M400G QSFP-DD to 2x 200G QSFP56 Breakout AOC Cable, 3 Meters400 Gbps3mOM3Active
Q2Q56-400G-AOC5M400G QSFP-DD to 2x 200G QSFP56 Breakout AOC Cable, 5 Meters400 Gbps5mOM3Active
Q2Q56-400G-AOC7M400G QSFP-DD to 2x 200G QSFP56 Breakout AOC Cable, 7 Meters400 Gbps7mOM3Active
Q2Q56-400G-AOC10M400G QSFP-DD to 2x 200G QSFP56 Breakout AOC Cable, 10 Meters400 Gbps10mOM3Active
Q2Q56-400G-AOC15M400G QSFP-DD to 2x 200G QSFP56 Breakout AOC Cable, 15 Meters400 Gbps15mOM3Active

400G QSFP-DD to 4x 100G QSFP56

Part No.DescriptionSpecificationsLengthFiber CablePassive/Active
Q4Q56-400G-AOCxxM400G QSFP-DD to 4x 100GQSFP56 Breakout AOCCable,xx Meter400G/psxxmOM3Active
Q4Q56-400G-AOC1M400G QSFP-DD to 4x 100GQSFP56 Breakout AOCCable,1 Meter400G/ps1mOM3Active
Q4Q56-400G-AOC3M400G QSFP-DD to 4x 100GQSFP56 Breakout AOCCable,3 Meters400G/ps3mOM3Active
Q4Q56-400G-AOC5M400G QSFP-DD to 4x 100GQSFP56 Breakout AOCCable,5 Meters400G/ps5mOM3Active
Q4Q56-400G-AOC7M400G QSFP-DD to 4x 100GQSFP56 Breakout AOCCable,7 Meters400G/ps7mOM3Active
Q4Q56-400G-AOC10M400G QSFP-DD to 4x 100GQSFP56 Breakout AOCCable,10 Meters400G/ps10mOM3Active
Q4Q56-400G-AOC15M400G QSFP-DD to 4x 100GQSFP56 Breakout AOCCable,15 Meters400G/ps15mOM3Active
400G QSFP-DD to 4x 100G QSFP56 Breakout AOC Cable,xx Meter
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    Why Choose Our 400G QSFP56-DD Breakout AOC

• 400G QSFP56-DD Breakout AOC enables channelization flexibility, allowing complex networking architectures.
• Designed to carry 8x50Gb/s PAM4 electrical lanes, providing high-speed data transmission.
• Cost effective solution for interconnecting within and between racks.
• Simplifies network architectures with advanced technology for increased 400Gb/s Ethernet speeds and transmission distances up to 10km.

Related Product Recommendation

Simplified Deployment with 400G QSFP-DD Breakout AOC Cable for QSFP56

The 400G QSFP-DD Breakout Active Optical Cable (AOC) offers a highly efficient, cost-effective solution for QSFP56 deployment. This advanced cable is designed to provide high-density connectivity for data center networks, offering superior performance and reliability. The AOC’s inherent design features allow it to transmit data at lightning-fast speeds, making it an ideal choice for high-bandwidth applications. Leveraging this technology can significantly streamline your network infrastructure, reducing capital expenditure and operational costs.


400G QSFP-DD to 4x 100G QSFP56 Breakout AOC Cable,xx Meter
400G QSFP-DD to 4x 100G QSFP56 Breakout AOC Cable,xx Meter

Introduction to 400G QSFP-DD Breakout AOC Cable

The 400G QSFP-DD Breakout AOC Cable is an exceptional leap forward in data transfer technology. It incorporates eight high-speed electrical channels, each operating at data rates of up to 50 Gb/s, culminating in an impressive aggregate bandwidth of 400 Gb/s. Engineered with low power consumption and lightweight construction, this cable is tailored for demanding high-performance applications. Its pluggable design simplifies the upgrade process, reducing downtime and increasing system availability. With superior thermal performance and signal integrity, this cable is set to revolutionize your data center, establishing unparalleled efficiency and reliability.

Advantages of Simplified Deployment

Simplified deployment of the 400G QSFP-DD Breakout AOC Cable brings a host of favorable outcomes for data centers. First and foremost, it significantly reduces the time and resources required for system installation and upgrades, thus boosting productivity and minimizing downtime. This is primarily due to its plug-and-play nature, eliminating the need for complex wiring or additional hardware. Furthermore, the lightweight construction of the cable simplifies handling, reducing the risk of damage during setup. The cable’s excellent thermal performance ensures stable operation even at peak loads, reducing the need for extensive cooling systems and lower,ing energy consumption. High-speed data transfer capabilities improve overall network performance and throughput, meeting the demands of high-bandwidth operations. Lastly, using AOC technology reduces the total cost of ownership by minimizing capital expenditure on expensive infrastructure and operational expenses related to maintenance and energy consumption.

Understanding the Technology

Understanding the Technology

What is QSFP56?

QSFP56 is a high-speed transceiver module standard that supports data rates of up to 56 Gbps per channel. It serves as an evolution of the earlier QSFP+ and QSFP28 standards, offering greater bandwidth and higher speed data transmission. The “QSFP” stands for “Quad Small Form-Factor Pluggable,” indicating that it contains four channels, each capable of operating at this increased rate. This technology is particularly beneficial for data centers and high-performance computing environments that require fast, efficient data transfer and bandwidth-intensive operations. The QSFP56 standard also supports a range of transmission distances, making it a versatile choice for different network architectures.

Exploring QSFP-DD Breakout AOC Cable

The QSFP-DD breakout AOC cable is a high-performance, high-density, and flexible solution designed to meet the growing demands of data centers. The term “QSFP-DD” stands for “Quad Small Form-Factor Pluggable-Double Density,” indicating the doubling of the number of high-speed electrical interfaces compared to the regular QSFP form factors. This advancement means the QSFP-DD breakout AOC cable can support data rates up to 400Gbps, providing unrivaled bandwidth for data-intensive applications. 

Furthermore, “Breakout” refers to the ability of this cable to split one high-speed connection into multiple lower-speed connections. This feature enables network administrators to maximize the utilization of each QSFP-DD port, thereby increasing the overall efficiency of the network infrastructure. The “AOC” part stands for “Active Optical Cable,” which uses optical fiber and electronics to boost the signal, making it ideal for high-speed, short-range data communication and interconnect applications. Notably, its plug-and-play nature significantly simplifies the installation process as it doesn’t require additional transceivers. 

In summary, the QSFP-DD breakout AOC cable is an innovative solution that combines high-speed data transmission, operational efficiency, and ease of use, making it an excellent choice for modern data centers.

Role of Active Optical Cable (AOC)

Active Optical Cable (AOC) plays a compelling role in high-speed data transmission, particularly in data centers and high-performance computing environments. Comprising optical fiber, circuitry, and connectors housed within a single assembly, an AOC offers many benefits. It has low signal degradation, leading to superior data integrity and reliability over longer distances than traditional copper cables. Its lightweight and flexible nature also makes for simpler cable management and installation. AOCs are immune to electromagnetic interference, thus ensuring robust and reliable data transmission even in electrically noisy environments. Offering speeds up to 400 Gbps, AOCs have been instrumental in satisfying the escalating demand for bandwidth in data centers. Notably, including AOC technology in the QSFP-DD breakout cable design underscores its significance in enhancing data center efficiency and performance.

Benefits of 400G QSFP-DD Breakout AOC Cable

Benefits of 400G QSFP-DD Breakout AOC Cable

Increased Bandwidth and Speed

The 400G QSFP-DD Breakout AOC Cable distinctly enhances bandwidth and speed, offering a significant advantage over traditional cable solutions. Its exceptional high-speed data transmission capability enables the rapid transfer of enormous volumes of data, effectively satisfying the growing need for high-bandwidth applications. The resultant high-speed interconnectivity directly contributes to improved operational efficiency in data centers and high-performance computing environments. Additionally, its 400G capacity ensures it is well-suited to cater to future bandwidth demands, providing a scalable solution prepared for the continual growth of data-intensive tasks. Thus, the 400G QSFP-DD Breakout AOC Cable is a compelling choice for those seeking to upgrade their data transmission capabilities while future-proofing operations.

Flexibility in Connectivity

Flexibility in connectivity is another key advantage of the 400G QSFP-DD Breakout AOC Cable. This technology permits a wide range of interconnect distances, supporting short- and long-range applications and facilitating versatile network architectures. As a result, it allows for optimized cable management and layout customization in data centers, leading to better utilization of space and enhanced airflow. Additionally, its plug-and-play nature simplifies tasks related to deployment and upgrades, thus reducing the time and complexity associated with network maintenance. This degree of flexibility underscores the cable’s adaptability to diverse connectivity requirements, making it a persuasive investment for businesses aiming to maximize efficiency and flexibility.

Reduced Cost and Complexity

The 400G QSFP-DD Breakout AOC Cable also plays a pivotal role in reducing both the cost and complexity involved in network infrastructure. Offering four times the bandwidth capacity of its predecessor reduces the need for multiple parallel cables, thereby bringing down the overall cost of cable management. Moreover, its superior performance doesn’t come with added complexity. Its user-friendly design and easy plug-and-play functionality ensure a simplified setup process, eliminating the need for excessive technical expertise and specialized equipment. Additionally, reduced cable bulk improves airflow and thermal conditions in data centers, further lowering operational costs. Therefore, adopting the 400G QSFP-DD Breakout AOC Cable is a cost-efficient choice, offering high performance without the burden of increased complexity.

Deployment Scenarios

Deployment Scenarios

400G QSFP-DD to QSFP56

The 400G QSFP-DD to QSFP56 deployment scenario provides an efficient solution for high-speed network connections between devices. This configuration leverages the potential of 400G QSFP-DD at one end, offering eight channels of 50G each, and QSFP56 at the other end, incorporating four media of 50G. This setup allows for a direct, simplified, and robust connection, eliminating the need for additional equipment or interfaces. Consequently, it reduces latency and increases the overall speed and performance of the network. Such a deployment scenario benefits data centers and enterprises with crucial high-bandwidth, low-latency connections. Businesses can effectively future-proof their networks by choosing the 400G QSFP-DD to QSFP56 setup, ensuring readiness for increased data demands.

2x 200G QSFP56

The 2x 200G QSFP56 deployment scenario delivers a practical approach for enhancing the network’s speed by using two separate 200G QSFP56 connections. Each QSFP56 connection utilizes four channels of 50G, thereby ensuring a robust and reliable network setup. Given its inherent agility and flexibility, this configuration is a stellar option for organizations seeking to optimize their networks without a complete overhaul. Its modular nature allows for scalability in line with your business’s growth and evolving needs. The 2x 200G QSFP56 scenario is an economical and high-performance solution that provides ample bandwidth for various applications, from data center interconnects to high-density spine-leaf network applications. Embracing this configuration positions businesses to handle the surge of data traffic in the future, setting the stage for seamless scalability and preparedness.

Compatibility and Integration

Compatibility and Integration

Interoperability with Cisco Devices

The 400G QSFP-DD to QSFP56 and the 2x 200G QSFP56 configurations offer superb interoperability with Cisco devices. They are engineered to provide seamless integration with existing Cisco infrastructure, ensuring a smooth transition and minimal disruption to your current operations. These configurations are compatible with various Cisco’s networking equipment, including switches, routers, and servers. This ensures that your business can continue to capitalize on the advanced features and reliability Cisco devices are renowned for. Furthermore, the inherent compatibility mitigates the risk of operational inefficiencies arising from hardware incompatibility. By choosing these deployment setups, businesses can leverage their existing Cisco equipment to its fullest potential, all while paving the way for future network enhancements.

Module and Transceiver Compatibility

The 400G QSFP-DD to QSFP56 and the 2x 200G QSFP56 setups exhibit excellent compatibility with a broad spectrum of modules and transceivers. They are designed to work flawlessly with various QSFP transceivers, including QSFP+, QSFP28, and QSFP56, offering expansive flexibility and versatility in network configurations. Moreover, they support many photonic technologies such as SR4, SR8, LR4, and PSM4, enabling a wide range of data transmission distances and rates. This facilitates network designers to optimize their network layout and capabilities according to their specific needs. By adopting these configurations, businesses can future-proof their network infrastructure, ensuring they can accommodate advancements in module and transceiver technology as they emerge.

Support for MMF and SMF

The 400G QSFP-DD to QSFP56 and the 2x 200G QSFP56 configurations extend support to both Multi-Mode Fiber (MMF) and Single-Mode Fiber (SMF) types. This dual compatibility allows for the transmission of high-speed data over both short and long distances. MMF is generally utilized for short-distance data transmission in data centers and office buildings due to its economical price point. In contrast, SMF is typically used for long-haul data transmission due to its ability to maintain the signal’s integrity over large distances. By supporting both fiber types, these configurations allow businesses to design their networks to suit diverse operational requirements while ensuring high performance, reliability, and scalability.


  1. “400G QSFP-DD Transceiver Modules – An Overview.” Optical Networking. (2021).
  2. Smith, J. “The Evolution and Future of QSFP Modules.” Journal of Network Design. (2020).
  3. “The Differences Between Multi-Mode and Single-Mode Fiber.” Fiber Optic Solutions. (2021).
  4. Johnson, T. “Exploring the Versatility of QSFP Transceivers.” Communications Quarterly. (2019).
  5. “The Role of Fiber Types in Data Transmission.” Fiber Optics for Dummies. (2020).

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Frequently Asked Questions

A: The 400G QSFP-DD Breakout AOC Cable for QSFP56 is an active optical cable designed for simplified deployment in data centers. It supports high-speed data transmission at 400Gbps and provides a breakout from a QSFP56-DD port to eight 50G SFP56 ports.

A: AOC stands for Active Optical Cable. It is a type of cable that uses optical fiber to transmit data signals, providing high bandwidth and longer transmission distances compared to traditional copper cables.

A: The 400G QSFP-DD Breakout AOC Cable uses four parallel lanes of multimode fiber to transmit data signals. It converts the 400G signal from the QSFP56-DD port into eight separate 50G signals, allowing them to be transmitted over the SFP56 ports. This breakout capability enables flexible connectivity within racks and across adjacent racks in data center environments.

A: The maximum transmission distance supported by the 400G QSFP-DD Breakout AOC Cable is 100 meters over OM4 multimode fiber.

A: Yes, the 400G QSFP-DD Breakout AOC Cable is compliant with MSA (Multi-Source Agreement) standards, ensuring compatibility with a wide range of networking equipment.

A: Yes, the 400G QSFP-DD Breakout AOC Cable can be used for Ethernet applications. It supports Ethernet speeds up to 400Gbps.

A: Yes, the 400G QSFP-DD Breakout AOC Cable can be used with other breakout configurations, such as the 400G QSFP56-DD to 4x 100G QSFP56 configuration. It provides flexibility in connecting different network devices.

A: Yes, the 400G QSFP-DD Breakout AOC Cable comes with a warranty. Please refer to the manufacturer’s warranty terms for more information.

A: Yes, you can purchase the 400G QSFP-DD Breakout AOC Cable from ActiveOpticalCable.com. They are a trusted supplier of high-quality active optical cables.

A: Yes, the 400G QSFP-DD Breakout AOC Cable is compatible with IEEE 802.3 standards, which define the specifications for Ethernet networks.

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