• Silver-colored arista osfp-400g-fr4 400gbase-fr4 osfp transceiver modules with blue handles and metallic connectors
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Arista

Arista OSFP-400G-FR4 | 400GBASE-FR4 OSFP Transceiver, 400G, 2km, Duplex LC SMF

Arista OSFP-400G-FR4 | 400GBASE-FR4 OSFP Transceiver, 400G, 2km, Duplex LC SMF

OSFP-400G-FR4

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Description

The Arista OSFP-400G-FR4 is a 400 Gigabit OSFP optical transceiver delivering 400GBASE-FR4 connectivity over duplex single-mode fibre at up to 2km reach. Using four 100G PAM4 channels WDM-multiplexed onto a single duplex LC fibre pair, it conserves fibre infrastructure compared to MPO-based DR4 alternatives — making it ideal for high-density spine-leaf data centre interconnects, AI fabric uplinks, HPC, and cloud deployments.

Compliant with OSFP MSA, IEEE 802.3bs, and IEEE 802.3cu, the module supports interoperability with IEEE-compliant 400GBASE-LR4 interfaces from other vendors and can be cross-connected with QSFP-DD FR4 modules. Digital Optical Monitoring (DOM) provides real-time visibility into operating parameters for simplified diagnostics. Get it now at iptrading.com.au — authentic hardware, reliable service.

Features

- Four 100G PAM4 channels multiplexed onto a single duplex LC fibre pair — reduces fibre consumption vs. MPO-based DR4 solutions
- Interoperable with IEEE 802.3bs-compliant 400GBASE-LR4 interfaces from third-party vendors
- OSFP and QSFP-DD FR4 modules can be cross-connected regardless of form factor differences
- Optimised for spine-leaf architecture uplinks, including 800G-to-400G switch interconnects
- Suited for AI fabric, HPC, and cloud data centre high-density deployments
- Digital Optical Monitoring (DOM) for real-time visibility into Tx/Rx power, temperature, and voltage
- OSFP finned-top design optimised for air-cooled Ethernet switch platforms
- Low latency, low power consumption, and high reliability in dense switching environments
- OSFP MSA, IEEE 802.3bs, and IEEE 802.3cu compliant

Warranty

Arista hardware products come with a 1-year limited hardware warranty, covering defects in materials and workmanship under normal use.
Extended Warranty Options:
IP Trading offers tailored extended warranty solutions and support packages for Arista products. Contact our team to explore options that align with your organisation's needs.
https://www.arista.com/assets/data/pdf/Warranty.pdf

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Datasheet

Technical Specifications

- Part Number: OSFP-400G-FR4
- Form Factor: OSFP (Octal Small Form-factor Pluggable)
- Data Rate: 400 Gbps (4 x 100 Gbps PAM4 channels)
- Standard: 400GBASE-FR4
- Wavelength: 1310nm (4 WDM optical channels)
- Modulation: PAM4
- Connector Type: Duplex LC
- Cable Type: Single-Mode Fibre (SMF)
- Maximum Reach: 2km
- Digital Optical Monitoring (DOM): Supported
- Operating Temperature: 0°C to 70°C
- Compliance: OSFP MSA, IEEE 802.3bs, IEEE 802.3cu

FAQs

Q: What fibre type and connector does the OSFP-400G-FR4 require?
A: The OSFP-400G-FR4 uses duplex single-mode fibre (SMF) with standard duplex LC connectors, supporting link distances of up to 2km. This makes it compatible with existing SMF plant in most enterprise and data centre environments.

Q: How does the FR4 standard differ from DR4 for 400G connectivity?
A: 400GBASE-FR4 uses duplex LC SMF and WDM multiplexing across 1310nm channels, while 400GBASE-DR4 uses an 8-fibre MPO connector. FR4 is preferred where duplex LC infrastructure is already in place, as it avoids the cost and complexity of MPO cabling.

Q: Is the Arista OSFP-400G-FR4 compatible with QSFP-DD FR4 modules from other vendors?
A: Yes. Because the 400GBASE-FR4 standard is independent of physical form factor, OSFP FR4 modules can be directly interconnected with QSFP-DD FR4 modules, enabling flexible multi-vendor deployments across spine-leaf and data centre fabrics.

Q: Which Arista switches support the OSFP-400G-FR4 transceiver?
A: The OSFP-400G-FR4 is designed for Arista switches with OSFP-capable ports, including platforms in the 7800R3 and 7060X5 series. Always verify compatibility against your specific switch model using Arista's compatibility matrix or contact IP Trading for guidance.

Q: Does the OSFP-400G-FR4 support Digital Optical Monitoring (DOM)?
A: Yes, DOM is fully supported, providing real-time monitoring of transmitted and received optical power, module temperature, supply voltage, and bias current — simplifying fault diagnosis and proactive network management.

Q: Can I purchase the Arista OSFP-400G-FR4 in Australia from IP Trading?
A: Yes. IP Trading (iptrading.com.au) is an Australian B2B IT hardware reseller supplying authentic Arista optics including the OSFP-400G-FR4. Contact the team for pricing, stock availability, and volume enquiries.

Datasheet

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