Huawei Compatible Transceivers
Huawei QSFP-400G-FR4 Compatible QSFP-DD Transceiver
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Huawei QSFP-400G-FR4 Compatible QSFP-DD Transceiver – 400GBASE-FR4 Optical Module (SMF, 2km)
Product Overview
The Huawei QSFP-400G-FR4 compatible QSFP-DD transceiver delivers 400G connectivity over single-mode fiber for links up to 2km.
It is designed for Huawei CloudEngine switches and NetEngine routers, and it uses CWDM technology with a duplex LC connector for 400GBASE-FR4 links.
Key Features of Huawei QSFP-400G-FR4
- 400GBASE-FR4 400G transmission over single-mode fiber
- QSFP-DD hot swappable form factor
- Duplex LC connector for short-reach links
- Up to 2km transmission over single-mode fiber
- Integrated Digital Optical Monitoring (DOM)
- Low power consumption under 10W
Technical Specifications

Parameter | Specification |
Model | QSFP-400G-FR4 Compatible |
Form Factor | QSFP-DD |
Data Rate | 400Gbps |
Optical Standard | 400GBASE-FR4 |
Optical Technology | CWDM |
Fiber Type | Single-Mode Fiber (SMF) |
Wavelength | 1310nm |
Max Distance | 2km |
Connector Type | Duplex LC |
DOM Support | Yes |
Power Consumption | < 10W |
Hot Swappable | Yes |
Operating Temperature | 0°C to 70°C |
Compliance | IEEE 802.3bs, QSFP-DD MSA, RoHS |
Compatibility | Huawei CloudEngine S5735/S6730 switches, CE6800 series, NetEngine routers |
Why Choose a Compatible Huawei Module
- Guaranteed Compatibility: Programmed and tested for Huawei equipment, without the OEM price.
- Full Feature Support: DDM monitoring and full functionality on Huawei systems.
- Tested Reliability: Each module is tested for stable performance before shipment.
- Cost-Effective for Production: A dependable, lower-cost choice for mission-critical networks.
High-Value Application Scenarios
Data Center Interconnects
Links data center sites over single-mode fiber for 400G connections up to 2km.
Enterprise Access and Aggregation
Adds short-reach 400G uplinks to enterprise aggregation switches.
Campus Networks
Extends 400G connectivity across campus and metro sites on single-mode fiber.
High-Density 400G Deployments
Deploys high-density 400G links up to 2km between data center sites.
Compatibility
The Huawei QSFP-400G-FR4 is compatible with Huawei equipment that specifies the QSFP-400G-FR4, including CloudEngine S5735 and S6730 series switches, CE6800 series data center switches, and NetEngine routers.
FAQ
Is the Huawei QSFP-400G-FR4 compatible with Huawei switches?
Yes. It is programmed and tested for Huawei CloudEngine switches and NetEngine routers.
What transmission distance does the Huawei QSFP-400G-FR4 support?
Up to 2km over single-mode fiber with a duplex LC connector.
Which Huawei systems support this module?
CloudEngine S5735 and S6730 series switches, CE6800 series data center switches, and NetEngine routers.
Does it support DOM monitoring?
Yes. It supports DOM monitoring for real-time link monitoring on Huawei systems.
🚀 Get a Quote for Your 400G Deployment
Order the Huawei QSFP-400G-FR4 compatible module from CSW Optics. Send us your required quantity and deployment details.
Contact us now for pricing and availability.
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