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

QDD-800G-2PLR4-Arista

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Description

The Arista QDD-800G-2PLR4 is an 800G QSFP-DD optical transceiver designed for high-bandwidth data centre and enterprise network deployments. It supports 800GBASE-LR8 transmission over single-mode fibre up to 10km using dual MPO-12 APC connectors at 1310nm wavelength. The module interoperates with 2x 400G-PLR4 modules or can break out to 8x 100GBASE-LR connections, providing flexible connectivity options for modern high-speed networks.

Features

800GBASE-LR8 and 2x 400GBASE-PLR4 support for high-bandwidth applications
- 10km reach over single-mode fibre enables campus and metro network connectivity
- Dual MPO-12 APC connectors for parallel single-mode fibre transmission
- 8x 100G PAM-4 electrical lanes for efficient high-speed signalling
- Interoperability with 2x 400G-PLR4 and 8x 100G-LR transceivers
- QSFP-DD form factor compatible with industry-standard QSFP-DD ports
- Digital diagnostics monitoring (DDM/DOM) for real-time performance tracking
- Hot-swappable design for seamless installation and replacement
- Compliant with MSA QSFP-DD and IEEE 800GBASE-LR8 standards
- Commercial temperature range for data centre environments
- Low latency for demanding applications and AI/ML workloads
- Energy-efficient design for modern high-density switching platforms

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: QSFP-DD (Quad Small Form-factor Pluggable Double Density)
- Data Rate: 800 Gbps (800GBASE-LR8 / 2x 400GBASE-PLR4)
- Wavelength: 1310nm
- Reach: Up to 10km over single-mode fibre (SMF)
- Connector Type: Dual MPO-12 APC (2x MPO-12)
- Fibre Type: Parallel single-mode fibre
- Electrical Interface: 8x 100G PAM-4 lanes
- Power Consumption: Approximately 16W typical
- Interoperability: Compatible with 2x 400G-PLR4 OSFP/QSFP-DD and 8x 100G-LR QSFP transceivers
- Digital Diagnostics: DOM/DDM support for real-time monitoring
- Operating Temperature: Commercial (0°C to 70°C)
- Standards Compliance: IEEE 800GBASE-LR8, MSA QSFP-DD specification

FAQs

Q: What is the maximum transmission distance for the QDD-800G-2PLR4?
A: The QDD-800G-2PLR4 supports transmission distances up to 10km over parallel single-mode fibre using dual MPO-12 APC connectors.

Q: Can this transceiver interoperate with 400G modules?
A: Yes, the QDD-800G-2PLR4 can interoperate with 2x 400G-PLR4 OSFP or QSFP-DD transceivers, and can also break out to 8x 100GBASE-LR QSFP connections for flexible deployment options.

Q: What platforms support this 800G transceiver?
A: The QDD-800G-2PLR4 is compatible with Arista 800G QSFP-DD platforms such as the 7060X6 and 7800R4 series switches. Check your specific platform datasheet to confirm QSFP-DD 800G port support and power capacity.

Q: What is the power consumption of this module?
A: The QDD-800G-2PLR4 has a typical power consumption of approximately 16W, which is standard for 800G QSFP-DD optical transceivers. Ensure your platform can support the higher power requirements of 800G modules.

Q: Can I use this transceiver in a 400G port?
A: No, the 800G-2PLR4 transceiver is not dual-rate capable and cannot operate in 400G ports. It requires native 800G QSFP-DD ports with sufficient power delivery and cooling capacity.

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