• Silver-colored Arista QDD-800G-2PLR4 sfp+ transceiver modules with blue handles and metallic connectors for 800G QSFP-DD use
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Arista

Arista QDD-800G-2PLR4 | 800G QSFP-DD Transceiver, 2x MPO-12 APC, 10km SMF

Arista QDD-800G-2PLR4 | 800G QSFP-DD Transceiver, 2x MPO-12 APC, 10km SMF

QDD-800G-2PLR4

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Description

The Arista QDD-800G-2PLR4 is an 800G QSFP-DD optical transceiver engineered for high-density data centre, cloud, and AI/HPC network deployments. Operating over parallel single-mode fibre via dual MPO-12 APC connectors, it supports either 8x 100GBASE-LR breakout or 2x 800G-PLR4 mode, delivering flexible connectivity at reaches up to 10km. With 8x 100G PAM-4 optical lanes at 1310nm and only 16W power draw, it offers exceptional density and efficiency for next-generation 800G switching infrastructure.

Designed exclusively for Arista 800G QSFP-DD switching platforms, the QDD-800G-2PLR4 interoperates with 2x 400G-PLR4 OSFP/QSFP-DD transceivers and 8x 100G-LR QSFPs, making it a versatile building block for spine-leaf and AI fabric architectures. Digital Optical Monitoring (DOM) enables real-time transceiver diagnostics for simplified operations. Need it fast? iptrading.com.au delivers across Australia — shop now.

Features

- Supports 8x 100GBASE-LR breakout to individual 100G-LR QSFPs for flexible port deployment
- Interoperates with 2x 400G-PLR4 OSFP/QSFP-DD transceivers and 8x 100G-LR QSFPs
- Dual MPO-12 APC connectors enable parallel SMF connectivity with low insertion loss
- Dedicated 800G-2PLR4 optics — optimised for 800G operation without dual-rate overhead
- Compatible with Arista 800G QSFP-DD switching platforms for seamless ecosystem integration
- Ideal for high-density data centre, cloud, and AI/HPC fabric deployments
- Part of Arista's comprehensive 800G optics portfolio spanning OSFP and QSFP-DD form factors
- Digital Optical Monitoring (DOM) for real-time diagnostics including Tx/Rx power, temperature, and voltage

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: QSFP-DD
- Aggregate Data Rate: 800G
- Operating Mode: 8x 100GBASE-LR or 2x 800G-PLR4
- Connector Type: 2x MPO-12 APC
- Fibre Type: Parallel Single-Mode Fibre (SMF)
- Maximum Reach: 10km
- Wavelength: 1310nm
- Modulation: 8x 100G PAM-4 optical lanes
- Power Consumption: 16W
- Digital Optical Monitoring (DOM): Supported

FAQs

Q: What operating modes does the Arista QDD-800G-2PLR4 support?
A: The QDD-800G-2PLR4 supports two operating modes: 8x 100GBASE-LR, allowing breakout to eight individual 100G-LR QSFP ports, or 2x 800G-PLR4 for direct 800G parallel connectivity. Note that this transceiver is dedicated to 800G-2PLR4 operation and does not support dual-rate switching between modes.

Q: What fibre and connector type does this transceiver require?
A: It uses dual MPO-12 APC connectors over parallel single-mode fibre (SMF). This enables 8x 100G PAM-4 optical lanes at 1310nm across 16 fibres (8 Tx, 8 Rx), supporting reach up to 10km per link.

Q: Which Arista platforms is the QDD-800G-2PLR4 compatible with?
A: The QDD-800G-2PLR4 is designed for Arista 800G QSFP-DD switching platforms. It also interoperates with 2x 400G-PLR4 OSFP/QSFP-DD transceivers and 8x 100G-LR QSFPs, providing flexibility across mixed-speed network environments.

Q: Is Digital Optical Monitoring (DOM) supported?
A: Yes. The QDD-800G-2PLR4 supports DOM, enabling real-time monitoring of key transceiver parameters including transmit and receive optical power, temperature, supply voltage, and bias current — simplifying troubleshooting and preventive maintenance.

Q: What are the typical deployment scenarios for this transceiver?
A: This transceiver is purpose-built for high-density data centre spine-leaf fabrics, cloud interconnects, and AI/HPC cluster networking where 800G aggregate bandwidth and up to 10km single-mode reach are required between switching nodes.

Q: Can I purchase the Arista QDD-800G-2PLR4 in Australia from IP Trading?
A: Yes. IP Trading (iptrading.com.au) is an Australian B2B IT hardware reseller stocking Arista transceivers with fast nationwide delivery. Contact us or order online for competitive pricing and local support.

Datasheet

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