• Silver-colored arista H-D400-4Q100-1M sfp+ transceiver modules with blue handles and metallic connectors for 400g active DAC
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Arista

Arista LPO-800G-2FR4-Arista | 800G OSFP LPO Transceiver, 2x 400G-FR4, Dual LC, 2km

LPO-800G-2FR4-Arista

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Description

This Arista 800G OSFP Linear Pluggable Optics (LPO) transceiver carries two 400GBASE-FR4 links over duplex single-mode fibre using two LC connectors, with a reach of up to 2km. It suits high-density 800G data centre and AI/ML cluster links, as well as 800G-to-2x400G breakout connections where lower power per port matters.

The linear design omits the on-module DSP, so maximum power consumption stays below 9W per module, compared with 16W for standard 800G 2FR4 optics. The module uses SMF G.652 fibre across four wavelengths (1271, 1291, 1311 and 1331 nm), with a per-lane Tx power of -3.2 to +4.4 dBm and Rx power of -7.2 to +4.4 dBm. It is specified for 0 to 70 C operating case temperature in the OSFP form factor.

The module requires an OSFP port on an Arista platform that supports LPO optics. It interoperates at the 400GBASE-FR4 level with 400G FR4 optics such as OSFP or QSFP-DD 400G-FR4 modules over duplex LC single-mode fibre.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Linear Pluggable Optics design with power below 9W, versus 16W for standard 800G 2FR4 optics
- Carries two independent 400GBASE-FR4 links in one 800G OSFP module
- Duplex LC connectivity over standard single-mode fibre up to 2km
- Suited to breakout into 400G FR4 optics
- Lower power per port for dense 800G and AI/ML cluster deployments

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

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

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Technical Specifications

FAQs

Technical Specifications

- PHY type: LPO-800G-2FR4 (2x 400GBASE-FR4 Linear Pluggable)
- Form factor: OSFP
- Connector type: 2x LC (duplex)
- Wavelength: 1271, 1291, 1311, 1331 nm
- Cable type: SMF G.652
- Tx power: -3.2 to +4.4 dBm per lane
- Rx power: -7.2 to +4.4 dBm per lane
- Max reach: 2km
- Maximum power consumption: below 9W
- Dimensions OSFP (H x W x D): 13.0 x 22.6 x 100.4 mm
- Operating case temperature: 0 to 70 C
- Storage temperature: -40 to 70 C
- Relative humidity: 5 to 95%
- Operating altitude: 0 to 10,000 ft

FAQs

Q: What power does this module draw?
A: Maximum power consumption is below 9W per module. The linear design omits the on-module DSP, which is why it draws less than standard 800G 2FR4 optics at 16W.

Q: What does it interoperate with?
A: It interoperates at the 400GBASE-FR4 level with 400G FR4 optics, such as OSFP or QSFP-DD 400G-FR4 modules, over duplex LC single-mode fibre.

Q: Which switch ports does it need?
A: It needs an OSFP port on an Arista platform that supports LPO optics. Check Arista's transceiver compatibility matrix for supported switches and EOS versions.

Q: What fibre and reach does it support?
A: It runs over duplex SMF G.652 single-mode fibre with two LC connectors, up to 2km.

Q: How does it differ from other 800G OSFP optics?
A: This SKU provides two 400GBASE-FR4 links over dual duplex LC at 2km. Other 800G LPO variants use different PHY types, connectors and reach.

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