Description
The Axiom 400GBase-LR4 QSFP-DD Transceiver for Arista delivers high-performance, long-reach 400GbE optical connectivity designed for next-generation data center, cloud, and enterprise networks. Fully compliant with the QSFP-DD MSA and engineered to meet Arista platform requirements, this module ensures seamless interoperability while delivering exceptional bandwidth and operational efficiency.
Axiom transceivers are pre-configured with OEM-specific coding to guarantee 100% compatibility, providing identical performance, fit, and function compared to OEM originals—at a more cost-effective value. Each module includes unique serialization to support fast identification and eliminate network conflicts.
Built for long-reach deployments up to 10 km over single-mode fiber (SMF), this 400GBase-LR4 optical solution offers reliable, high-speed transmission using four LAN-WDM wavelengths. Ideal for high-density switching environments, it enhances network throughput, scalability, and long-distance connectivity.
Key Features
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100% Guaranteed Compatibility with all Arista OEM applications
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QSFP-DD form factor delivering double-density, high-bandwidth performance
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400GBase-LR4 technology supporting long-reach optical transmission up to 10 km
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LAN-WDM multiplexing for stable, long-distance signal integrity
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Unique product serialization for conflict-free network integration
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Fully MSA compliant for maximum interoperability across platforms
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Optical SMF support enabling efficient data transfer across extended distances
| Specification | Details |
|---|---|
| SKU | QDD-400G-LR4-AR-AX |
| Form Factor | QSFP-DD (Quad Small Form-Factor Pluggable, Double Density) |
| Data Rate | 400Gbps |
| Transmission Standard | 400GBase-LR4 |
| Wavelengths | LAN-WDM (4 wavelengths) |
| Reach | Up to 10 km over SMF |
| Fiber Type | Single-Mode Fiber (SMF) |
| Connector Type | Duplex LC |
| Application | Data Center, Cloud, High-Performance Networks |
| Compatibility | Arista switches and routers (100% OEM compatible) |
| Compliance | QSFP-DD MSA, IEEE 802.3bs |
| Operating Temperature | 0°C to 70°C (Typical) |
| DDM/DOM Support | Yes |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
