OSFP112 400G VSR4 Optical Module | High-Speed 400G Data Transmission
Release date:Nov 11,2025

Introduction to OSFP112 400G VSR4

The OSFP112 400G VSR4 optical module represents the next evolution in ultra-high-speed connectivity. Designed for 400Gbps Ethernet applications, it utilizes the OSFP112 form factor to provide enhanced electrical performance, higher power handling, and superior signal integrity compared with earlier QSFP-DD designs.

This module is ideal for short-reach interconnects between top-of-rack (ToR) and spine switches, ensuring seamless scalability for cloud data centers and AI computing clusters.


Key Features & Technical Highlights

  • Form Factor: OSFP112, compliant with IEEE 802.3ck and OSFP MSA standards.

  • Data Rate: 400Gbps (4 x 106.25Gbps PAM4 lanes).

  • Reach: VSR4 — optimized for up to 100 meters on multimode fiber (MMF).

  • Low Power Consumption: Typically < 12W for efficient cooling and energy savings.

  • Connector Type: MPO-12/APC for simplified connectivity.

  • Advanced DSP Technology: Ensures superior signal quality and low latency performance.


Applications

The OSFP112 400G VSR4 optical module is engineered for next-generation network systems requiring high bandwidth, minimal latency, and superior reliability. Typical applications include:

  • 400G data center interconnect (DCI) and spine-leaf architecture

  • High-performance computing (HPC) and AI/ML clusters

  • 5G transport and cloud aggregation networks

  • Enterprise backbone and hyperscale infrastructures


Why Choose UNIVISO OSFP112 400G Modules?

UNIVISO TECHNOLOGIES & DEVELOP LIMITED provides end-to-end optical transceiver solutions tailored for high-speed networks. The OSFP112 400G VSR4 module is built with cutting-edge components, rigorous optical testing, and precise temperature control systems to ensure consistent performance in demanding environments.

  • 100% tested for interoperability and signal quality

  • Customizable OEM/ODM options available

  • Enhanced durability and MTBF > 1,000,000 hours

  • Comprehensive technical support and global delivery


FAQ

Q1: What does VSR4 stand for?

A1: VSR4 stands for "Very Short Reach, 4 lanes," typically referring to a 400G optical link supporting up to 100 meters over multimode fiber (OM4).

Q2: How does OSFP112 differ from QSFP-DD?

A2: OSFP112 supports higher power and better thermal performance, making it suitable for 800G and future 1.6T systems, while QSFP-DD is more compact but limited in power handling.

Q3: Can UNIVISO customize firmware or labeling?

A3: Yes. UNIVISO offers full OEM/ODM customization — including labeling, firmware optimization, and compatibility tuning for major switch platforms.

Upgrade Your Network with OSFP112 400G VSR4

Discover how UNIVISO optical modules can accelerate your network infrastructure with high-performance, reliable, and scalable 400G solutions.

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

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