QSFP56 200Gb/s Transceiver High-Speed Optical Module for Data Center and AI Networking
QSFP56 200Gb/s Transceiver provides high-speed 200G optical connectivity with PAM4 technology for data centers, AI, HPC, and enterprise networks.
Product Overview
QSFP56 200Gb/s Transceiver is a next-generation high-speed optical transceiver designed to meet the increasing bandwidth demands of modern data centers, artificial intelligence (AI), machine learning, and high-performance computing networks. Based on advanced 4×50Gb/s PAM4 modulation technology, it provides efficient 200GbE connectivity with high performance, low power consumption, and cost-effective deployment.
Designed for switch interconnects, enterprise networks, and service provider applications, the QSFP56 optical module supports high-density network architectures while maintaining excellent signal integrity and transmission reliability. It integrates a transmitter and receiver unit operating across multiple optical channels, providing flexible solutions from short-distance data center connections to long-distance network transmission.
Product Features
High-Speed 200Gb/s Data Transmission
The QSFP56 200Gb/s Transceiver supports up to 212Gb/s data rates and utilizes four-channel 53.125Gb/s PAM4 electrical and optical interfaces to achieve efficient high-bandwidth connectivity.
Advanced PAM4 Technology
Using 4×50Gb/s PAM4 channels, the transceiver improves transmission efficiency while reducing the complexity and cost of next-generation network upgrades.
Multiple Transmission Distance Options
Available models support different optical transmission distances, including:
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100m short-distance data center connections
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2km metropolitan network links
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10km long-distance data transmission
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40km extended network applications
Low Power & High Reliability
Designed with a single 3.3V power supply and optimized optical components, the module delivers efficient operation with reliable performance for demanding networking environments.
Wide Compatibility
The module complies with QSFP56 MSA standards and supports both Ethernet and InfiniBand applications, making it suitable for various high-speed network infrastructures.
Hot-Pluggable Design
The hot-pluggable form factor allows convenient installation and replacement without interrupting network operation, improving system maintenance efficiency.
Key Advantages
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200Gb/s high-speed optical connectivity
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Supports up to 212Gb/s transmission rate
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4×53.125Gb/s PAM4 electrical interface
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QSFP56 MSA compliant design
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Supports Ethernet and InfiniBand networks
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Low power consumption operation
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RoHS compliant
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Multiple reach options available
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Suitable for AI, ML, HPC, and cloud data centers
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Reliable optical performance and signal stability
Product Specifications
| Model | Package | Data Rate | Reach | Transmitter | Receiver | Connector | Temperature |
|---|---|---|---|---|---|---|---|
| QSFP56-200G-SR4 | QSFP56 | 200Gb/s | 0.1km | 850nm | PIN | MPO-12 APC/UPC | Commercial / Extended |
| QSFP56-200G-FR4 | QSFP56 | 200Gb/s | 2km | 1271/1291/1311/1331nm | PIN | LC | Commercial / Extended |
| QSFP56-200G-LR4 | QSFP56 | 200Gb/s | 10km | 1295/1300/1305/1310nm | PIN | LC | Commercial / Extended |
| QSFP56-200G-ER4 | QSFP56 | 200Gb/s | 40km | 1295/1300/1305/1310nm | APD | LC | Commercial / Extended |
Optical Performance Parameters
| Model | Tx Power | Rx Power |
|---|---|---|
| QSFP56-200G-SR4 | -6.5 ~ 4.0 dBm | -8.4 ~ 4.0 dBm |
| QSFP56-200G-FR4 | -4.2 ~ 4.7 dBm | -8.2 ~ 4.7 dBm |
| QSFP56-200G-LR4 | -3.4 ~ 5.3 dBm | < -7.7 dBm |
| QSFP56-200G-ER4 | -0.1 ~ 5.6 dBm | < -14.1 dBm |
Available Product Models
QSFP56 200Gb/s Transceiver series includes multiple solutions for different networking requirements:
QSFP56-200G-SR4
200GBASE-SR4 QSFP56 optical module with 850nm wavelength, MPO-12 connector, and 100m transmission over OM4 multimode fiber. Suitable for short-distance data center connections.
QSFP56-200G-FR4
200GBASE-FR4 QSFP56 optical module using 1270nm, 1290nm, 1310nm, and 1330nm wavelengths, supporting 2km transmission over single-mode fiber with LC connector.
QSFP56-200G-DR4
200GBASE-DR4 QSFP56 optical module designed for 0.5km single-mode fiber transmission applications.
QSFP56-200G-LR4
200GBASE-LR4 QSFP56 optical module supporting up to 10km transmission over single-mode fiber for long-distance data center and network applications.
QSFP56-200G-ER4
200GBASE-ER4 QSFP56 optical module supporting up to 40km transmission using APD receiver technology for extended network connectivity.
QDD-200G-SR8
200GBASE-SR8 QSFP-DD transceiver module with 850nm wavelength, MPO-16 connector, and 100m transmission over OM4 multimode fiber.
Application Areas
QSFP56 200Gb/s Transceiver is widely used in:
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Cloud data centers
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AI and machine learning clusters
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High-performance computing (HPC)
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Enterprise core networks
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Data center switch interconnects
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Network aggregation layers
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Service provider networks
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Optical communication infrastructure
Technical Highlights
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4-channel PAM4 optical architecture
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ITU G.694.2 CWDM wavelength support
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200GAUI-4 electrical interface compliance
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Advanced optical transmission technology
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High-density network deployment capability
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Flexible fiber connectivity options
Why Choose QSFP56 200Gb/s Transceiver
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Professional 200G optical networking solution
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Designed for next-generation data center requirements
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Reliable performance for high-bandwidth applications
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Supports flexible transmission distances
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Compatible with major networking architectures
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Optimized for AI-driven and cloud computing environments
QSFP56 200Gb/s Transceiver from Infinol Technology (Shenzhen) Co., Ltd provides a high-performance optical connectivity solution that helps global customers build faster, more efficient, and scalable networking infrastructures.






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