Description
The Axiom QDD-400G-SRBD-AX 400GBASE-SRBD QSFP-DD Transceiver delivers exceptional high-speed optical performance for Arista networking environments. Designed for maximum interoperability, this module is 100% compatible with all OEM applications and pre-configured with the precise coding required for seamless operation in Arista platforms.
Fully compliant with the QSFP-DD MSA, this 400Gb module ensures stable, reliable, and efficient execution for data center, cloud, and enterprise networking needs. Each unit includes unique serialization to eliminate communication conflicts and simplify device identification.
Featuring 400GBASE-SR4.2-BX technology, this transceiver supports high-bandwidth, short-reach data transmission using multi-mode fiber, offering fast, stable connectivity ideal for dense networking deployments. Multi-mode fiber’s wider core enhances signal fidelity, enabling optimal performance across high-capacity applications.
Axiom compatible transceivers perform, fit, and function identically to OEM versions and are backed by Axiom’s quality assurance for dependable performance across the entire network.
| Specification | Details |
|---|---|
| SKU | QDD-400G-SRBD-AX |
| Brand | Axiom |
| Form Factor | QSFP-DD |
| Data Rate | 400Gbps |
| Transmission Standard | 400GBASE-SRBD / SR4.2-BX |
| Wavelength | Bi-Directional (Short-Range Multimode) |
| Cable Type | Multi-Mode Fiber (MMF) |
| Connector Type | MPO/MPO-12 (varies per SR4.2 implementation) |
| Max Reach | Typically up to 100m (OM4 MMF)* |
| Compatibility | Arista OEM applications |
| Compliance | MSA Compliant, TAA Compliant |
| Operating Temperature | 0°C to 70°C (Commercial) |
| Application | High-bandwidth Data Center, Cloud, and Ethernet Networks |
| Serialization | Unique Axiom Serial Number for Conflict-Free Operation |
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
