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Liquid Immersion Transceiver
Liquid Immersion Transceiver
Liquid Immersion Transceiver is a high-speed optical transceiver specifically designed for AI data centers, high-performance computing (HPC), and hyperscale GPU clusters. It is engineered to operate reliably in immersion cooling environments and supports high-speed transmission applications such as 400G, 800G, and 1.6T networks. Compared with traditional air-cooled optics, it delivers superior thermal performance, lower power consumption, and higher port density, making it ideal for AI large-model training environments that require ultra-high bandwidth, low latency, and high reliability. It is widely used in AI fabric networks, InfiniBand interconnects, hyperscale data centers, and next-generation liquid-cooled server architectures.
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Product Details
Form Factor Part No. Fiber Type Data Rate Wavelength Distance Connector Case Temperature Note
Liquid immersion100G QSFP28 to MPO CL100GS4MUIM0.8M MMF 100G to MPO 850nm 0.8M OM3 Ind.  
Liquid immersion25G/10G SFP28 to UniBoot LC CL25GSLUB-IM0.8M MMF 25G to LC 850nm 0.8M OM3 Ind.  

Liquid Immersion Optical Transceiver for AI Data Centers and High-Density Computing

Liquid Immersion Optical Transceiver Overview

C-LIGHT Liquid Immersion Optical Transceivers are developed for optical connectivity in liquid-cooled computing environments, including AI data centers, high-performance computing systems, and hyperscale GPU clusters. The solution is designed to operate inside immersion cooling environments where conventional air-cooled optical modules may not be suitable.

The current product portfolio includes 100G QSFP28 to MPO and 25G/10G SFP28 to UniBoot LC configurations. Both products use 850nm multimode optics with short 0.8m connection lengths and are specified for OM3 fiber applications with industrial-temperature operation.

Beyond short-reach optical connections, the liquid immersion transceiver platform is positioned for next-generation AI infrastructure requiring higher bandwidth, greater port density, reliable thermal operation, and efficient optical connectivity within liquid-cooled server architectures.

Liquid Immersion Optical Transceiver Key Features

Designed for Immersion Cooling

The transceiver is engineered for optical deployment in liquid immersion cooling environments used by high-density computing systems.

AI Data Center Ready

The solution targets AI data centers, GPU clusters, HPC platforms, and other computing environments where optical bandwidth and thermal management are critical.

100G QSFP28 to MPO

The 100G configuration uses a QSFP28 optical interface with an MPO connection and is designed for short-reach multimode fiber connectivity.

25G/10G SFP28 to UniBoot LC

The 25G/10G configuration combines an SFP28 interface with a UniBoot LC connection for compact short-distance optical links.

850nm Multimode Optics

The current listed configurations use 850nm optical transmission over multimode fiber for short-reach interconnect applications.

OM3 Fiber Support

The listed liquid immersion configurations are specified for OM3 multimode fiber, providing a suitable medium for short high-speed optical connections.

0.8m Connection Length

The current product specifications include 0.8m optical connection lengths for compact integration inside high-density computing environments.

Industrial Temperature

The listed 100G and 25G/10G configurations are specified with industrial-temperature operation for demanding deployment environments.

Liquid Immersion Optical Transceiver Applications

AI GPU Clusters

Liquid immersion optical transceivers can provide short-reach optical connections within densely deployed GPU computing systems where cooling and network density are major design considerations.

High-Performance Computing

HPC platforms require high-throughput interconnects between computing resources. Immersion-compatible optical modules provide connectivity designed for liquid-cooled environments.

Hyperscale Data Centers

High-density data center architectures can use compact optical connections to support large-scale computing infrastructure deployed with advanced cooling technologies.

AI Fabric Networks

The modules can support optical connectivity within AI fabric architectures where large numbers of computing nodes require high-bandwidth, low-latency interconnection.

Immersion-Cooled Servers

The product family is designed for integration with server architectures that use liquid immersion cooling rather than conventional air cooling.

GPU-to-Network Connectivity

Short optical links can connect high-performance computing nodes to network equipment in compact liquid-cooled system architectures.

High-Density Computing Racks

Compact optical form factors and short connection lengths can help address connectivity requirements in densely populated computing environments.

Next-Generation Data Center Infrastructure

Liquid immersion optical connectivity provides an option for data centers transitioning toward higher compute density and advanced thermal management architectures.

Why Choose C-LIGHT Liquid Immersion Optical Transceiver?

Built Around Liquid Cooling

Unlike conventional optical transceivers intended primarily for air-cooled systems, this product family is specifically positioned for immersion cooling environments.

Compact Short-Reach Connectivity

The listed 0.8m configurations are suited to short optical connections inside densely packed computing and server environments.

100G and 25G/10G Options

The current portfolio provides different interface configurations for high-speed and lower-rate optical connections within liquid-cooled infrastructure.

Multimode Fiber Architecture

850nm multimode optical transmission provides a practical short-distance interconnect approach for the listed OM3 configurations.

Industrial Temperature Design

The current listed products use industrial-temperature specifications to address demanding computing deployment conditions.

AI Infrastructure Focus

C-LIGHT positions the liquid immersion transceiver solution for AI training, GPU clusters, HPC, hyperscale data centers, and AI fabric networks.

Customized Optical Solutions

C-LIGHT provides customized optical transceiver solutions according to application requirements, equipment compatibility, and deployment conditions.

Testing and Technical Support

C-LIGHT provides optical transceiver testing, compatibility support, technical guidance, and customized engineering services for deployment projects.

Liquid Immersion Optical Transceiver FAQ

Q1. What is a liquid immersion optical transceiver?

A liquid immersion optical transceiver is an optical module designed to operate in liquid-cooled computing environments, allowing optical connectivity to be integrated into immersion-cooled data center and HPC systems.

Q2. What applications are liquid immersion transceivers designed for?

They are designed for AI data centers, HPC systems, hyperscale GPU clusters, AI fabric networks, InfiniBand interconnects, and next-generation liquid-cooled server architectures.

Q3. What liquid immersion transceiver products are currently listed by C-LIGHT?

The current product page lists a 100G QSFP28 to MPO configuration and a 25G/10G SFP28 to UniBoot LC configuration.

Q4. What wavelength do the listed products use?

Both currently listed configurations use 850nm optical transmission.

Q5. Which fiber type is supported?

The listed liquid immersion transceivers use multimode fiber and are specified for OM3 applications.

Q6. What connection distance is specified?

The current product table specifies a 0.8m connection length for both listed configurations.

Q7. Which connectors are available?

The 100G configuration uses MPO, while the 25G/10G configuration uses a UniBoot LC connection.

Q8. Can C-LIGHT customize liquid immersion optical solutions?

Yes. C-LIGHT provides customized optical solutions and technical support based on application requirements, equipment compatibility, and deployment conditions.

Liquid Immersion Optical Transceiver Solution Summary

C-LIGHT Liquid Immersion Optical Transceivers provide optical connectivity designed for the emerging requirements of liquid-cooled AI and high-performance computing infrastructure. The current portfolio includes 100G QSFP28 to MPO and 25G/10G SFP28 to UniBoot LC configurations using 850nm multimode optics, OM3 fiber, 0.8m connection lengths, and industrial-temperature specifications. The solution is positioned for AI data centers, GPU clusters, HPC systems, AI fabric networks, and other high-density computing environments where optical connectivity must operate alongside advanced liquid cooling architectures.

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●100% of products pass initial test, final test and factory inspection.

●3-step quality control management process.

●100% complete implementation of customer order quality requirements.

●100% guarantee of customer product data information security.

Quality certification

Please contact us to download the certification certificate.

Quality certification

Please Note: Installing a third party transceiver does not void your network equipment warranty. Network equipment manufacturers all have guidelines stating that warranty support on their products will not be affected.

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