Cisco QDD-400G-DR4-S 400G Optic Module
The Cisco QDD-400G-DR4-S 400G optic module is engineered for enterprise data centers and high-performance network environments requiring ultra-high-speed optical connectivity. This 400G DR4 transceiver delivers reliable, long-reach data transmission over multimode fiber, making it ideal for organizations upgrading to next-generation network infrastructure. Whether you're building a scalable data center backbone or expanding existing 400G deployments, this optical module provides the performance and compatibility your mission-critical applications demand.
Key Features
- 400 Gigabit per second (400G) transmission speed for ultra-high-bandwidth applications
- DR4 (Dual-Rate 4-lane) architecture optimized for multimode fiber connectivity
- Long-reach capability supporting extended distances in data center environments
- Hot-swappable design for seamless module replacement without downtime
- Cisco-certified compatibility with supported switching platforms and line cards
- Low power consumption with advanced thermal management
- Industry-standard QDD form factor for flexible deployment options
Technical Specifications
| Specification |
Details |
| Manufacturer |
Cisco Systems |
| Part Number |
NXK-PICK-400G-DR4 |
| Product Type |
400G Optical Transceiver Module |
| Model |
QDD-400G-DR4-S |
| Data Rate |
400 Gbps |
| Fiber Type |
Multimode Fiber (MMF) |
| Reach Classification |
DR4 (Dual-Rate 4-lane) |
| Form Factor |
QDD (Quad Small Form Factor Pluggable) |
| Interface |
Hot-swappable optical module |
| Operating Temperature |
0°C to 70°C |
Frequently Asked Questions
What is a 400G DR4 optic module used for?
The 400G DR4 optic module is used for high-speed data center interconnects, providing 400 Gigabit per second connectivity over multimode fiber. It's essential for modern data centers requiring ultra-high bandwidth for cloud services, AI workloads, and enterprise applications.
Is the Cisco QDD-400G-DR4-S compatible with my network switch?
The QDD-400G-DR4-S is compatible with Cisco switching platforms that support 400G optics and QDD form factor modules. Verify your switch's specifications or consult Cisco documentation to confirm compatibility with your specific line card or port module.
What are the advantages of DR4 over other 400G transceiver types?
DR4 transceivers offer optimized performance for multimode fiber deployments with excellent reach and power efficiency. They provide a cost-effective solution for data center environments while maintaining the high-speed performance required for modern networking infrastructure.
Can I hot-swap this 400G optical module without service interruption?
Yes, the QDD-400G-DR4-S features hot-swappable design, allowing you to replace the module without powering down the switch. This minimizes downtime during maintenance or upgrades in production environments.
