• Silver-colored arista osfp-800g-2lr4 800g osfp transceiver modules with blue handles and duplex lc connectors
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Arista

Arista OSFP-800G-2LR4 | 800G OSFP Transceiver, 2x 400GBASE-LR4, 10km, Duplex LC

Arista OSFP-800G-2LR4 | 800G OSFP Transceiver, 2x 400GBASE-LR4, 10km, Duplex LC

OSFP-800G-2LR4

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Description

The Arista OSFP-800G-2LR4 is a dual-port 800G OSFP optical transceiver delivering two independent 400GBASE-LR4 links from a single module — no optical breakout cables required. Designed for high-density spine-leaf, AI, HPC, and cloud data centre deployments, it supports up to 10km reach per port over duplex single-mode fibre (ITU-T G.652) via two duplex LC connectors. Using a CWDM4 optical architecture with 8x 100G PAM-4 electrical lanes, it also supports dual-rate operation at 2x 200GBASE-LR4 for additional deployment flexibility.

The OSFP form factor provides approximately 50% more surface area than QSFP-DD for superior thermal performance, with an integrated heatsink for reliable operation at high port densities. Digital Diagnostics Monitoring (DDM/DOM), hot-plug capability, and compliance with IEEE 802.3ck, OSFP MSA, and CMIS Rev 5.0 ensure seamless integration into modern 800G-capable Arista platforms. RoHS compliant. Need it fast? iptrading.com.au delivers across Australia — shop now.

Features

- Two physically independent 400G-LR4 links from a single 800G OSFP module — eliminates need for optical breakout cables
- Dual-rate operation: supports 2x 400GBASE-LR4 and 2x 200GBASE-LR4 for deployment flexibility
- CWDM4 optical architecture with 4 wavelengths multiplexed per duplex LC port for high-capacity SMF transmission
- 8x 100G PAM-4 electrical lanes enabling high-density 800G connectivity
- OSFP form factor offers ~50% more surface area than QSFP-DD for enhanced heat dissipation
- Integrated heatsink for superior thermal performance in high-port-density environments
- Interoperates with 2x 400G-LR4 OSFP/QSFP-DD transceivers and 2x 200G-LR4 QSFPs
- Supports 4x 200G breakout services for flexible network design
- Ideal for spine-leaf, HPC, AI infrastructure, and cloud data centre architectures
- Digital Diagnostics Monitoring (DDM/DOM) for real-time link health visibility
- Hot-pluggable design for non-disruptive installation and replacement
- Compliant with IEEE 802.3ck, OSFP MSA, and CMIS Rev 5.0

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-800G-2LR4
- Form Factor: OSFP (Octal Small Form-factor Pluggable)
- Total Data Rate: 800G (2x 400GBASE-LR4)
- Connector Type: 2x Duplex LC
- Fibre Type: Single-Mode Fibre (SMF), ITU-T G.652
- Maximum Reach: 10km per port
- Wavelengths: 1271nm, 1291nm, 1311nm, 1331nm (CWDM4, per port group)
- Electrical Interface: 8x 100G PAM-4 lanes (8x 106.25 Gbps)
- Transmit Power: -2.7 to +5.1 dBm per lane
- Receive Sensitivity: -9 to +5.1 dBm per lane
- Dual-Rate Support: 2x 400GBASE-LR4 / 2x 200GBASE-LR4
- Digital Diagnostics Monitoring (DDM/DOM): Yes
- Hot-Pluggable: Yes
- Standards Compliance: IEEE 802.3ck, OSFP MSA, CMIS Rev 5.0
- RoHS Compliant: Yes

FAQs

Q: What does the OSFP-800G-2LR4 actually provide — is it one 800G link or two separate 400G links?
A: It provides two physically independent 400GBASE-LR4 links, each via its own duplex LC connector, from a single OSFP module. This is not a single aggregated 800G link — each port operates independently at 400G, making it ideal for connecting two separate 400G-capable devices without any optical breakout cabling.

Q: What fibre type and maximum reach does the OSFP-800G-2LR4 support?
A: The transceiver operates over duplex single-mode fibre (SMF) conforming to ITU-T G.652, supporting a maximum reach of 10km per port. It is not compatible with multi-mode fibre.

Q: Does the OSFP-800G-2LR4 support dual-rate operation?
A: Yes. In addition to 2x 400GBASE-LR4, it also supports 2x 200GBASE-LR4 operation, providing flexibility for environments where 200G connectivity is required on the same hardware.

Q: Why is the OSFP form factor preferred over QSFP-DD for 800G applications?
A: The OSFP module offers approximately 50% more surface area than QSFP-DD, which allows for significantly better thermal management. Combined with an integrated heatsink in the module case, OSFP transceivers like the OSFP-800G-2LR4 are better suited for high-density 800G deployments where heat dissipation is a critical concern.

Q: Can I purchase the Arista OSFP-800G-2LR4 in Australia through IP Trading?
A: Yes. IP Trading (iptrading.com.au) is an Australian B2B IT hardware reseller stocking Arista transceivers including the OSFP-800G-2LR4. We deliver across Australia with fast dispatch. Contact our team or order directly online for pricing and availability.

Q: What platforms and architectures is the OSFP-800G-2LR4 designed for?
A: This transceiver is designed for use in Arista 800G-capable switches and routers deployed in spine-leaf, high-performance computing (HPC), AI/ML infrastructure, and large-scale cloud data centre environments. It is compliant with IEEE 802.3ck, OSFP MSA, and CMIS Rev 5.0.

Datasheet

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