• 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 OSFP-400G-PLR4-S-Arista | 400G OSFP Transceiver, Single-Mode, 1310nm, 10km, MPO

OSFP-400G-PLR4-S-Arista

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Description

The Arista OSFP-400G-PLR4-S is a 400GBASE-PLR4 OSFP transceiver designed for high-performance data center and enterprise interconnects. It delivers 400G throughput over single-mode fiber up to 10km using four parallel 100G optical lanes at 1310nm wavelength via an MPO-12 connector. Ideal for campus backbone, data center interconnect, and long-reach aggregation deployments requiring parallel single-mode fiber infrastructure.

Features

400GBASE-PLR4 Ethernet standard supporting 10km reach over parallel single-mode fiber
- Four independent 100G optical channels at 1310nm wavelength
- 8x 50Gbps PAM-4 electrical lanes via 400GAUI-8 host interface
- MPO-12 APC connector with SN variant for enhanced mechanical durability
- Supports breakout to 4x 100GBASE-LR QSFP modules for flexible network topology
- Hot-swappable OSFP form factor with integrated heatsink for superior thermal management
- Digital Optical Monitoring (DOM) with CMIS 4.0 management interface for real-time diagnostics
- MSA compliant design ensuring interoperability across multi-vendor environments
- Low latency parallel optics architecture for data center interconnect applications
- Forward Error Correction (FEC) support for enhanced signal integrity
- Backward compatible with existing parallel single-mode fiber infrastructure
- Operating temperature range of 0°C to 70°C for standard data center environments

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

Form Factor: OSFP (Octal Small Form-factor Pluggable)
- Data Rate: 400 Gbps (4x 100G parallel lanes)
- Optical Standard: 400GBASE-PLR4 / 4x 100GBASE-LR
- Wavelength: 1310nm
- Fiber Type: Single-mode fiber (SMF, 9µm)
- Maximum Reach: 10km over parallel SMF
- Connector Type: MPO-12 APC (SN variant with push-pull latch)
- Electrical Interface: 400GAUI-8 (8x 50G PAM-4)
- Operating Temperature: 0°C to 70°C
- Storage Temperature: -40°C to 85°C
- Power Consumption: Maximum 12W (typical for 400G OSFP optics)
- Digital Diagnostics: DOM/DDM support (CMIS 4.0)
- Compliance: MSA compliant, IEEE 802.3bs, Laser Class 1

FAQs

Q: What is the difference between PLR4 and FR4/LR4 400G transceivers?
A: PLR4 uses four parallel optical lanes over four fiber pairs (8 fibers total) via MPO-12 connector with 10km reach, while FR4/LR4 multiplexes four lanes onto a single duplex fiber pair using LC connectors. PLR4 is ideal for existing parallel fiber infrastructure, whereas FR4/LR4 suits duplex fiber deployments.

Q: Can this OSFP transceiver break out to 100G connections?
A: Yes, the OSFP-400G-PLR4-S supports breakout to 4x 100GBASE-LR QSFP transceivers, allowing a single 400G port to connect to four separate 100G devices using appropriate breakout cabling and compatible switch platform configuration.

Q: Is this transceiver compatible with Arista 400G platforms?
A: Yes, this transceiver is designed for Arista 400G OSFP-capable switches and requires EOS version 4.25.2 or later. Verify platform compatibility and power budget in the Arista Transceiver and Cable Guide for your specific switch model.

Q: What fiber infrastructure is required for deployment?
A: This transceiver requires single-mode fiber (9µm) infrastructure with MPO-12 connectivity supporting four fiber pairs (8 fibers). Maximum link distance is 10km based on standard allocation of 1dB attenuation and 3dB total connection/splice loss.

Q: Can I use QSFP-DD 400G-PLR4 transceivers on the other end?
A: Yes, OSFP-400G-PLR4 and QSFP-DD-400G-PLR4 transceivers are optically interoperable as long as both ends use the same 400G-PLR4 Ethernet media type over matching single-mode fiber infrastructure.

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