September 22, 2025, Shenzhen, China. – Since pioneering the industry’s first immersion liquid-cooled optical module in July 2021, GIGALIGHT has successfully built a complete portfolio of liquid-cooled optical interconnect products. This product line includes immersion liquid-cooled optical modules, AOCs, and liquid-cooled extenders, all designed for widespread deployment in 5G fronthaul and the latest AI computing scenarios, covering high-speed interconnect demands from 400G to 800G.

New Product – Immersion Liquid-Cooled Optical Module Extender

To further address the interconnect needs of high thermal density data centers, GIGALIGHT is introducing multiple liquid-cooled extenders:

Technical Highlights:

High-Speed Core: Supports extension up to 0.5m (0.3m for 800G), featuring GIGALIGHT’s patented “fish-shaped” design.

Packaging Compatibility: Supports SFP112, QSFP28, QSFP-DD, OSFP, etc., covering 25G~800G and paving the way for 1.6T.

Thermal Optimization: Integrated 1.5W silent fan inside the socket to enhance heat dissipation.

Visual Monitoring: Equipped with indicator lights, ideal for frequent plug-and-play scenarios, effectively extending switch port lifespan.

Product Portfolio:

• 800G OSFP Liquid-Cooled Extender
• 800G OSFP-RHS Liquid-Cooled Extender
• 800G QSFP-DD Liquid-Cooled Extender
• 400G QSFP-DD Liquid-Cooled Extender
• 200G QSFP56 Liquid-Cooled Extender
• 100G QSFP28 Liquid-Cooled Extender
• 100G SFP112 Liquid-Cooled Extender

Through continuous effort and technological innovation, GIGALIGHT has successfully overcome the multiple challenges of applying immersion liquid cooling to optoelectronic interconnect products. With extensive data accumulation and optimization, the R&D team has achieved a balance between stability, compatibility, and cost-effectiveness while ensuring high performance. These liquid-cooled products have already gained recognition in global markets.

Looking ahead, GIGALIGHT will continue to lead in liquid cooling technology, providing efficient and eco-friendly cooling solutions for data centers and driving the green development of the AI computing industry.

About GIGALIGHT

As an open optical networking explorer, GIGALIGHT integrates the design, manufacturing, and sales of both active and passive optical devices and subsystems. The company’s product portfolio includes optical modules, silicon photonics modules, liquid-cooled modules, passive optical components, active optical cables, direct attach copper cables, coherent optical communication modules, and OPEN DCI BOX subsystems. GIGALIGHT focuses on serving applications such as data centers, 5G transport networks, metropolitan WDM transmission, ultra-HD broadcast and video, and more. It stands as an innovative designer of high-speed optical interconnect hardware solutions.