400G Data Center Connectivity | UNIVISO QSFP-DD LR4 Optical Module
Release date:Oct 27,2025

As global data consumption soars due to cloud computing, AI applications, and 5G services, modern data centers face an urgent need for faster and more efficient network backbones. The UNIVISO 400G QSFP-DD LR4 optical transceiver delivers exceptional speed and performance, enabling data centers to achieve high-capacity, low-latency transmission over long distances.


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Why Data Centers Need 400G Connectivity

With the growing demand for real-time analytics and AI-driven workloads, traditional 100G systems can no longer handle the rising data volume. Upgrading to 400G provides:

  • 4× higher bandwidth without increasing space usage

  • Optimized cost-per-bit for high-throughput systems

  • Reduced latency and faster data exchange

  • Energy-efficient scalability for next-gen infrastructures


UNIVISO 400G QSFP-DD LR4: Built for Performance

Model: QSFP-DD LR4

Data Rate: 400Gbps (4×106.25Gbps)

Transmission Distance: Up to 10km over SMF

Connector: LC Duplex

Power Consumption: ≤12W

Features: Hot-pluggable, DDM/DOM monitoring, IEEE 802.3cu compliant


Applications

  • Data Center Interconnect (DCI)

  • AI Computing and Cloud Storage Networks

  • High-Performance Enterprise Networks

  • Long-Distance 400G Optical Links


Why Choose UNIVISO

Founded in 2011, UNIVISO is a leading optical transceiver manufacturer offering complete 155Mbps–400Gbps solutions. Our expertise spans QSFP-DD, CFP2, QSFP+, and SFP modules, serving data centers, telecoms, and enterprise customers worldwide.

  • High-end R&D and production capabilities

  • Strict quality control and testing systems

  • Customizable optical module design

  • Global sales network covering Asia, Europe, and the Americas

Conclusion

The UNIVISO 400G QSFP-DD LR4 optical transceiver enables data centers to embrace the future of high-speed networking. With its long reach, low power, and reliable performance, it’s the ideal solution for enterprises seeking robust and scalable 400G connectivity.

Univiso ' s transceivers (SFPs) are designed to support multiple networks.

Headquarter address :Room 1603, Coolpad Building B, North District of Science and Technology Park, Nanshan District, Shenzhen,China.518057

sales1@szuniviso.com

+86-0755-86706025

Our Services

  • ● Remote installation technical supported
  • ● Remote test technical supported
  • ● Connection solution technical support
  • ● Manufacturing
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