• Silver-colored Arista OSFP-400G-2FR4 SFP+ transceiver modules with blue handles and metallic connectors for 400G networking
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Arista

Arista OSFP-400G-2FR4 | 400G OSFP Transceiver, 2x200G FR4, SMF, 2km, LC

Arista OSFP-400G-2FR4 | 400G OSFP Transceiver, 2x200G FR4, SMF, 2km, LC

OSFP-400G-2FR4

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Description

The Arista OSFP-400G-2FR4 is a 400GBASE-2FR4 OSFP transceiver designed for high-density data centre interconnects, delivering 400G aggregate throughput as two independent 200G-FR4 channels over two pairs of duplex single-mode fibre. Supporting links up to 2km, it is ideal for inter-rack and intra-campus spine-leaf connectivity where reach beyond direct-attach copper is required. The OSFP form factor provides superior port density and thermal efficiency suited to next-generation 400G switching platforms.

Compatible with Arista 400G-capable switches and routers, this transceiver operates over standard OS2 SMF with LC duplex connectors, making it straightforward to deploy in existing fibre plant infrastructure. Each channel conforms to the IEEE 200GBASE-FR4 specification using 4-lane PAM4 modulation across the O-band CWDM grid. Order now at iptrading.com.au — trusted by Australian IT professionals.

Features

- Dual independent 200GBASE-FR4 channels in a single OSFP module — maximises port density on 400G platforms
- 2km SMF reach over standard OS2 LC duplex fibre — ideal for inter-rack, inter-row, and inter-building links
- PAM4 modulation across O-band CWDM4 grid — proven, low-latency signalling for data centre fabrics
- OSFP form factor — higher power budget and thermal headroom compared to QSFP-DD for next-gen deployments
- Designed and validated for Arista 400G switching and routing platforms
- Supports breakout to two independent 200G connections — flexible topology options for spine-leaf architectures
- Plug-and-play deployment — hot-swappable with no tools required

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

- Form factor: OSFP
- Aggregate data rate: 400G (2x 200G independent channels)
- Standard: 400GBASE-2FR4 / 200GBASE-FR4 (per channel)
- Modulation: PAM4, 4 lanes per channel (8 lanes total)
- Wavelengths: O-band CWDM4 (1271 nm, 1291 nm, 1311 nm, 1331 nm per 200G channel)
- Fibre type: OS2 Single-Mode Fibre (SMF)
- Connector: LC duplex (2 pairs)
- Maximum reach: up to 2 km
- Transmitter: EML or directly modulated laser
- Operating temperature: 0°C to +70°C (commercial)
- Power consumption: typically ≤10W
- Compatible platforms: Arista 400G-capable switches and routers

FAQs

Q: What does '2x 200G-FR4' mean for the OSFP-400G-2FR4?
A: This transceiver contains two independent 200GBASE-FR4 optical engines within a single OSFP module. Each 200G channel uses four CWDM O-band wavelengths with PAM4 modulation, giving 400G aggregate throughput over two pairs of duplex SMF — useful when you need to break out to two separate 200G endpoints.

Q: What fibre infrastructure is required?
A: The OSFP-400G-2FR4 requires OS2 single-mode fibre with LC duplex connectors. Two fibre pairs are needed (one per 200G channel). Standard pre-terminated SMF patch leads and trunk cables commonly deployed in data centres are fully compatible.

Q: What is the maximum supported distance?
A: The transceiver supports links up to 2 kilometres over OS2 SMF, making it suitable for intra-campus and inter-building data centre interconnects beyond what direct-attach copper or active optical cables can reach.

Q: Which Arista platforms support this transceiver?
A: The OSFP-400G-2FR4 is designed for Arista switches and routers with OSFP-capable 400G ports, such as the Arista 7800 and 7500R3 series. Always verify compatibility against the specific Arista hardware and EOS version in use.

Q: Can this transceiver interoperate with non-Arista 200GBASE-FR4 equipment?
A: Each channel conforms to the IEEE 200GBASE-FR4 specification, so interoperability with compliant third-party equipment is possible at the optical level. However, Arista's OSFP transceivers are validated for use in Arista platforms; always confirm interoperability with the remote-end vendor.

Q: How can I purchase the OSFP-400G-2FR4 in Australia?
A: IP Trading (iptrading.com.au) stocks Arista transceivers and supplies Australian IT professionals and enterprises directly. You can order online or contact the team for volume pricing, lead times, and compatibility advice.

Datasheet

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