Arista Compatible Transceivers
Arista QDD-800G-2LR4 Compatible QSFP-DD Transceiver
QDD-800G-2LR4 Compatible, Arista compatible optical module, 2x 400GBASE-LR4 QSFP-DD for Arista, 1310nm 10km transceiver, Arista 7060X, 7388 and 7800R series switches module, QSFP-DD 800G single-mode transceiver
Arista QDD-800G-2LR4 Compatible QSFP-DD Transceiver
2x 400GBASE-LR4 QSFP-DD Transceiver Module | Dual LC SMF | 10km DOM Support
Product Overview
The Arista QDD-800G-2LR4 Compatible QSFP-DD Transceiver is a high-performance 2x 400GBASE-LR4 module for 800G Ethernet. Using CWDM over single-mode fiber at 1271/1291/1311/1331nm, it delivers 800Gbps as two 400G channels through dual LC connectors for Arista 7060X, 7388 and 7800R series switches.
Key Features
- Supports 2x 400GBASE-LR4 Ethernet
- QSFP-DD hot-pluggable form factor
- Dual LC optical connectors (2x)
- CWDM optical transmission
- Up to 10km over SMF
- Integrated Digital Optical Monitoring (DOM)
- Max power 18W
- Fully compliant with IEEE 802.3bs and QSFP-DD MSA
Technical Specifications

Parameter | Specification |
Model | QDD-800G-2LR4 Compatible |
Form Factor | QSFP-DD |
Data Rate | 800Gbps (2x 400G) |
Optical Standard | 2x 400GBASE-LR4 |
Optical Technology | CWDM |
Fiber Type | Single-Mode Fiber (SMF) |
Wavelength | 1271/1291/1311/1331nm |
Max Distance | 10km |
Connector Type | Dual LC (2x) |
DOM Support | Yes |
Power Consumption | Max 18W |
Hot Swappable | Yes |
Operating Temperature | 0°C to 70°C |
Compliance | IEEE 802.3bs, QSFP-DD MSA, RoHS |
Compatibility | Arista 7060X, 7388 and 7800R series switches and other Arista platforms |
Why Choose the Arista QDD-800G-2LR4 Compatible QSFP-DD Transceiver?
This compatible module delivers the same 800G performance as the original Arista optic at a lower cost. It is tested for error-free operation in Arista 7060X, 7388 and 7800R series switches, with integrated DOM for real-time monitoring of optical power and temperature.
High-Value Application Scenarios
- Data center spine-leaf 800G interconnects
- High-density server and storage connectivity
- 800G links between data halls up to 10km
- AI and HPC clusters
Compatibility
This module is compatible with Arista 7060X, 7388 and 7800R series switches and other Arista platforms.
FAQ
Is this module compatible with Arista switches?
Yes. It is designed for Arista 7060X, 7388 and 7800R series switches and other Arista platforms with QSFP-DD800 ports.
What fiber and distance does it support?
It uses single-mode fiber with dual LC connectors, CWDM wavelengths of 1271/1291/1311/1331nm, and reaches up to 10km.
Does it support DOM?
Yes. Integrated Digital Optical Monitoring (DOM) provides real-time monitoring of optical power and temperature.
Get a Quote
🚀 Contact us for a quote on the Arista QDD-800G-2LR4 Compatible QSFP-DD Transceiver. Tell us your quantity and delivery requirements, and our team will respond promptly.
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