Huawei QSFP-40G-iSR4

Huawei QSFP-40G-iSR4

Overview

The Huawei QSFP-40G-iSR4 is a high-speed 40G QSFP+ optical transceiver designed for short-range, high-density connections over multimode fiber. It is ideal for data centers and enterprise environments where fast, low-latency communication is required.

Key Features

• 40G High-Speed Transmission
  Supports up to 40 Gbps data rate for high-performance networking.
• Short-Range Connectivity (Up to 150m)
  Optimized for multimode fiber (MMF):
  • OM3: up to 100m
  • OM4: up to 150m
• QSFP+ Form Factor
  Compact, hot-pluggable module for easy deployment and high port density.
• 850 nm VCSEL Technology
  Ensures efficient and stable short-distance transmission.
• MPO/MTP Connector
  Multi-fiber interface supporting parallel transmission (4 lanes).
• 4×10G Breakout Support
  Can connect to four SFP+ ports, offering flexible network design.
• Digital Diagnostic Monitoring (DDM)
  Enables real-time monitoring of optical performance and module status.

Performance & Specifications

• Data Rate: 40 Gbps
• Form Factor: QSFP+
• Fiber Type: Multi-Mode (MMF)
• Connector: MPO/MTP
• Distance: Up to 150 meters
• Wavelength: 850 nm
• Operating Temperature: 0°C to 70°C

Design & Benefits

The QSFP-40G-iSR4 is built for high-density data center environments, providing:

• Ultra-fast server-to-switch connections
• Low latency for critical workloads
• Cost-effective short-distance fiber solution

Its parallel transmission (4 lanes) allows flexible deployment, especially in leaf-spine architectures and scalable network designs.

Ideal For

• Data Centers (Top-of-Rack to Spine)
• High-Performance Computing (HPC)
• Enterprise Core Networks
• Cloud Infrastructure