40G BiDi QSFP Module Single-Fiber & Cisco Compatible QSFP-40G-SR-BD

The Cisco QSFP-40G-SR-BD is a high-performance 40G BiDi (Bidirectional) QSFP+ optical transceiver, designed to deliver 40Gbps Ethernet connectivity over a single strand of multimode fiber (MMF). Ideal for data centers, enterprise networks, and high-density deployments, this Cisco-certified module reduces fiber cabling costs while ensuring reliable, low-latency performance.

Key Features & Benefits

• Single-Fiber 40G Technology: Uses BiDi (Bidirectional) optics to transmit and receive data over one fiber (OM3/OM4), cutting fiber infrastructure costs by 50%.

• Cisco OEM Certified: Guaranteed compatibility with Cisco switches/routers (e.g., Nexus 9000, Catalyst 3850) for seamless integration.

• High-Speed & Low Latency: Supports 40Gbps Ethernet (40GBASE-SR-BD) with a reach of 100m (OM3) / 150m (OM4).

• Hot-Swappable & Plug-and-Play: Easy installation without network downtime.

• Digital Diagnostics Monitoring (DDM): Real-time monitoring of temperature, voltage, and optical power for proactive maintenance.

• Energy Efficient: Optimized for low power consumption in high-density deployments.

Applications

• Data center spine-leaf architectures and ToR (Top-of-Rack) switching.

• 40G network upgrades without replacing existing fiber cabling.

• High-bandwidth applications like cloud computing, virtualization, and storage.

Technical Specifications (QSFP-40G-SR-BD Parameters)

Why Choose the Cisco QSFP-40G-SR-BD?

This 40G BiDi QSFP module combines fiber efficiency, Cisco reliability, and plug-and-play simplicity, making it a cost-effective solution for 40G network upgrades. Its single-fiber design reduces cabling complexity, while OEM certification ensures full compatibility and warranty coverage.

Ideal for: Data center operators, enterprises, and service providers seeking high-density, energy-efficient 40G connectivity.