Description
The AddOn Arista Networks® QSFP-400G-LR4-AR compatible QSFP-DD transceiver delivers high-performance 400GBase-LR4 Ethernet connectivity with reach up to 10km over single-mode fiber (SMF) using a 1310nm wavelength via a duplex LC connector.
This hot-swappable, easy-to-install module is fully compliant with INF-8628 standards, offers digital optical monitoring (DOM) for real-time parameter tracking, and is designed for seamless interoperability with Arista Networks® equipment. Engineered for reliability, the transceiver undergoes comprehensive programming, serialization, and application testing to ensure flawless operation.
Built with excellent ESD protection, low EMI metal housing, and TAA compliance, it provides a secure, future-ready solution for data centers, access, and enterprise network environments. AddOn backs this product with a limited lifetime warranty for guaranteed peace of mind.
| Specification | Details |
|---|---|
| Part Number | QSFP-400G-LR4-AR-AO |
| Form Factor | QSFP-DD |
| Data Rate | 400GBase-LR4 |
| Wavelength | 1310nm |
| Connector | Duplex LC |
| Fiber Type | Single-Mode Fiber (SMF) |
| Reach | Up to 10km |
| Compliance | INF-8628, RoHS, TAA |
| Temperature Range | 0°C to 70°C (Commercial) |
| Power Consumption | 12W (typical) |
| Digital Optical Monitoring | Yes (DOM) |
| Hot-Swappable | Yes |
| Compatibility | Arista Networks® QSFP-400G-LR4-AR |
| Warranty | Limited Lifetime |
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
