800G OSFP 2×LR4 10km Optical Transceiver CWDM PAM4 Dual LC SMF Module

The 800G OSFP 2×LR4 Optical Transceiver delivers high-density 800Gbps connectivity through dual 400G LR4 links using CWDM PAM4 technology and EML transmitters. Supporting 10km SMF transmission, dual LC interfaces, DOM monitoring, and OSFP design, it is optimized for AI networks, cloud data centers, and DCI applications.

SKU 800G-OSFP-2LR4-C4-10KM Category
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The 800G OSFP 2×LR4 Optical Transceiver Module is a high-performance optical solution designed for next-generation 800GbE networks requiring extended-reach connectivity over single-mode fiber. Based on a dual 400G LR4 architecture, the module integrates eight 100G PAM4 optical channels using CWDM wavelength technology to deliver an aggregate bandwidth of 800Gbps. With dual Duplex LC optical interfaces and transmission distances up to 10km, it provides efficient and scalable connectivity for high-capacity data center and enterprise networking environments.

Built in the OSFP hot-pluggable form factor, this transceiver combines high port density, advanced thermal management, and low power operation with maximum consumption of ≤16W. Featuring PAM4 modulation, EML transmitter technology, PIN receivers, integrated Digital Optical Monitoring (DOM), and I²C management support, it ensures reliable optical performance and simplified network operation. The module is optimized for hyperscale cloud data centers, AI computing clusters, Data Center Interconnect (DCI), and high-performance optical infrastructure.

Form FactorOSFP
Data Rate850Gbps Aggregate
Optical Standard2×LR4
Fiber TypeSingle-Mode Fiber (SMF)
Maximum DistanceUp to 10km
Wavelength1310nm
Optical TechnologyCWDM PAM4
Modulation FormatPAM4
Optical Configuration2 × 400G LR4 Links
Transmitter Type8 × 100G PAM4 EML
Receiver TypePIN Photodiode
Electrical Interface8 × 100G PAM4 Retimed 800GAUI-8
Optical ConnectorDual Duplex LC
Digital MonitoringDOM Supported
Management InterfaceI2C
Power SupplySingle +3.3V
Maximum Power Consumption≤16W
Operating Temperature0°C to +70°C
Hot Plug CapabilityYes
  • Supports 800Gbps aggregate optical transmission
  • Based on dual 400G LR4 optical architecture
  • Supports up to 10km transmission over single-mode fiber
  • Uses CWDM wavelength multiplexing technology
  • Integrates eight 100G PAM4 EML transmitters
  • Uses high-sensitivity PIN photodiode receivers
  • Supports 800GAUI-8 electrical interface
  • OSFP high-density hot-pluggable form factor
  • 800G Ethernet data center networks
  • Hyperscale cloud computing infrastructure
  • AI and machine learning clusters
  • Data Center Interconnect (DCI)
  • Enterprise backbone networks
  • High-performance computing (HPC) systems
  • Large-scale switch and router interconnections
  • Next-generation optical transport networks

FiberMania provides OEM and ODM customization services for 800G OSFP optical transceiver solutions to meet the requirements of data center operators, cloud service providers, and networking equipment manufacturers.

What is the difference between 800G OSFP 2×LR4 and 800G OSFP DR8 modules?

The 800G OSFP 2×LR4 module is designed with two independent 400G LR4 optical links and uses CWDM wavelengths with Duplex LC interfaces for up to 10km transmission. DR8 modules typically use eight parallel optical lanes through MPO-based connectivity and are optimized for different network architectures and reach requirements.

Why does the 800G OSFP 2×LR4 module use dual Duplex LC connectors?

The dual LC interface supports two independent LR4 optical links within a single module, allowing the transceiver to provide 2×400G connectivity while maintaining compatibility with standard single-mode fiber infrastructure.

What type of fiber is required for this 800G OSFP 2×LR4 transceiver?

The module requires single-mode fiber (SMF), typically G.652 fiber. The Duplex LC interfaces allow easy connection with commonly deployed single-mode fiber cabling systems in data centers and enterprise networks.

What advantages do PAM4 and EML technology provide in this module?

PAM4 modulation increases transmission efficiency by carrying more data per signal symbol, while EML transmitters provide excellent optical performance, wavelength stability, and signal quality for long-distance 800G transmission.

Can this module be customized for specific 800G switches?

Yes. OEM and ODM customization services are available, including compatibility programming, firmware configuration, labeling, packaging, and optical validation for different switch platforms and networking environments.