• 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-400G-ZRP-Arista | 400G ZR+ QSFP-DD Coherent Transceiver, >0dBm, >120km

QDD-400G-ZRP-Arista

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Description

This 400G QSFP-DD digital coherent (DCO) tunable transceiver supports 400GBASE-ZR+ and OpenZR+ operation. It is built for data centre interconnect and metro or long-haul DWDM transport, letting you run coherent optics directly from a switch or router port without a separate transponder.

The module uses duplex single-mode fibre with an LC connector and delivers a high transmit power of more than 0 dBm, which is what separates it from standard 400ZR optics and supports reaches beyond 120 km. The ZR+/OpenZR+ operating modes, high-power output and extended reach define this variant.

It is supported on specific Arista platforms only, so confirm your switch or router model against Arista's Transceiver and Cable Guide before ordering.

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

Features

- Tunable digital coherent optics supporting 400GBASE-ZR+ and OpenZR+
- High transmit power (>0 dBm) for extended reach beyond standard 400ZR
- QSFP-DD pluggable form factor for DCI directly from switch or router ports
- Duplex single-mode fibre with LC connector
- Suited to DWDM metro and long-haul transport
- Supported on specific Arista platforms only

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

- Standard: 400GBASE-ZR+ / OpenZR+
- Optics type: Digital coherent tunable (DCO)
- Form factor: QSFP-DD
- Transmit power: >0 dBm
- Fibre type: Duplex single-mode (SMF)
- Connector: LC
- Reach: >120 km
- Platform support: Specific Arista platforms only

FAQs

Q: Which platforms support this transceiver?
A: It is supported on specific Arista platforms only. Check your switch or router model against Arista's Transceiver and Cable Guide before ordering.

Q: What fibre and connector does it use?
A: It uses duplex single-mode fibre with an LC connector.

Q: How does this differ from a standard 400ZR module?
A: This variant supports ZR+ and OpenZR+ operation with a high transmit power of more than 0 dBm, which enables reaches beyond 120 km.

Q: What is it typically used for?
A: It is used for data centre interconnect and metro or long-haul DWDM links, with coherent optics plugged directly into QSFP-DD ports.

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