Popular optical module models for sale

The most widely adopted optical modules include SFP+, SFP28, QSFP+, QSFP28, QSFP-DD, OSFP, and emerging 400G–800G modules, with top manufacturers like Innolight, Eoptolink, Accelink, and Yuanjie leading sales.

Popular Optical Module Types

• SFP+ (10GBASE-SR/LR): Common in legacy and modern data centers for 10Gbps connectivity, widely used for TOR switches and aggregation layers .
• SFP28 (25GBASE-SR/LR): Supports 25Gbps links, ideal for high-density server connections and 25G Ethernet deployments .
• QSFP+ (40GBASE-SR4/LR4): Provides 40Gbps bandwidth, often used in core and aggregation layers of data centers .
• QSFP28 (100GBASE-SR4/LR4/CWDM4): Supports 100Gbps, popular for hyperscale data centers and telecom networks .
• QSFP-DD (200G & 400G): Double-density QSFP modules for 200G–400G applications, enabling high-speed AI and cloud network fabrics .
• OSFP (400G): Emerging 400G modules with high-density and low-power design, suitable for next-generation data centers .
• DWDM SFP+ and QSFP28: Dense Wavelength Division Multiplexing modules for long-haul and metro networks .
• BiDi SFP Modules: Bidirectional modules for fiber-saving applications in enterprise and metro networks .

High-Demand 400G–800G Modules

The market is rapidly shifting toward 400G and 800G optical modules due to AI, cloud computing, and 5G network expansion. Leading vendors like Zhongji Innolight, Yuanjie Technology, and Zhongji Xuchuang dominate this segment, offering modules for data centers, telecom backhaul, and 5G fronthaul . By 2025, 800G modules are expected to achieve over 50% penetration, with 1.6T co-packaged optics entering mass production .

Leading Manufacturers

• Zhongji Innolight: Global leader in 400G and 200G modules, providing high-speed solutions for cloud and telecom networks .
• Eoptolink: Offers over 3,000 optical module products, widely used in data centers, 5G, and IoT applications .
• Accelink Technologies: Covers a full range of optical transceivers, including PLC, FP, DFB, EML, VCSEL, and APD-based modules .
• Yuanjie Technology: Known for 200G PAM4 EML chips and high-volume optical module shipments, competing globally with Broadcom and Lumentum .

Key Considerations for Selection

When choosing best-selling optical modules, consider:

• Speed and form factor: SFP/SFP28 for 10–25G, QSFP/QSFP28 for 40–100G, QSFP-DD/OSFP for 200–400G.
• Transmission reach: SR for short-range, LR for long-range, CWDM/DWDM for wavelength multiplexing.
• Power efficiency and upgrade compatibility: Critical for hyperscale and AI-driven networks .
• Vendor reliability and multi-vendor interoperability: Ensures scalability and future-proofing . These modules are the best-selling and most widely deployed across global data centers, telecom networks, and emerging 5G infrastructures, reflecting both performance and market adoption trends.