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Home Networking Transceiver Cisco QDD-400G-LR8-S 400G QSFP-DD LR8 Optical Transceiver 10km SMF

Cisco QDD-400G-LR8-S 400G QSFP-DD LR8 Optical Transceiver 10km SMF

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High-capacity 400G QSFP-DD LR8 optical transceiver designed for long-distance data center and backbone connectivity up to 10km over single-mode fiber with duplex LC interface.

OVERVIEW

  • The Cisco QDD-400G-LR8-S is a next-generation QSFP-DD 400G optical transceiver designed for high-performance long-reach connectivity. It supports 400Gbps data transmission over single-mode fiber up to 10km using LR8 technology and LC duplex connectivity.
  • Engineered for hyperscale data centers and advanced enterprise backbone networks, it delivers ultra-high bandwidth, low latency, and reliable optical performance for modern cloud-driven infrastructure.

USE CASES

  • Data center interconnect (DCI) over 10km
  • Cloud backbone and hyperscale networking
  • Core network aggregation and high-capacity routing
  • Enterprise WAN and metro optical transport
  • High-performance computing (HPC) infrastructure
  • Large-scale AI and data-intensive workloads

KEY FEATURES

  • 400Gbps high-speed QSFP-DD LR8 optical transmission
  • Supports up to 10km over single-mode fiber
  • LC duplex interface for stable optical connectivity
  • Designed for hyperscale and cloud data centers
  • Low latency and high reliability performance
  • Efficient power-optimized 400G architecture
  • Hot-pluggable QSFP-DD form factor
  • Built for Cisco-compatible high-end networking systems

TECHNICAL SPECIFICATIONS

  • Brand: Cisco
  • Model: QDD-400G-LR8-S
  • Data Rate: 400Gbps
  • Optical Standard: LR8
  • Fiber Type: Single-Mode Fiber (SMF)
  • Maximum Reach: Up to 10km
  • Connector Type: LC Duplex
  • Form Factor: QSFP-DD
  • Application: Data center, cloud backbone, metro networks, enterprise core
  • Compatibility: Cisco networking platforms
  • Deployment: Hot-swappable optical module
  • Power Consumption: Low-power high-efficiency design
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