100GBase-SR4 QSFP28 Cable Overview and Specifications

# 100GBase-SR4 QSFP28 Cable Overview and Specifications

## Introduction to 100GBase-SR4 QSFP28 Cables

The 100GBase-SR4 QSFP28 cable is a high-speed optical transceiver solution designed for 100 Gigabit Ethernet (100GbE) applications. These cables are widely used in data centers and high-performance computing environments where high bandwidth and low latency are critical requirements.

## Key Features of 100GBase-SR4 QSFP28 Cables

The 100GBase-SR4 QSFP28 cable offers several important features that make it ideal for modern networking applications:

• Supports data rates up to 100 Gbps
• Uses four parallel 25 Gbps lanes (4x25G)
• MPO/MTP connector interface
• Multi-mode fiber (OM3 or OM4) compatibility
• Hot-pluggable QSFP28 form factor
• Low power consumption compared to alternatives

## Technical Specifications

Physical Characteristics

The 100GBase-SR4 QSFP28 cable typically has the following physical specifications:

Performance Specifications

The performance characteristics of 100GBase-SR4 QSFP28 cables include:

• Maximum reach: 70m (OM3) or 100m (OM4)
• Wavelength: 850nm (VCSEL-based)
• Power consumption: <3.5W typical
• Operating temperature: 0°C to 70°C
• Compliant with IEEE 802.3bm 100GBASE-SR4 standard

## Applications and Use Cases

Data Center Connectivity

100GBase-SR4 QSFP28 cables are primarily used for:

• Top-of-rack (ToR) to leaf switch connections
• Leaf to spine switch interconnects
• High-performance computing clusters
• Storage area networks

Compatibility

These cables are compatible with various networking equipment from major vendors including Cisco, Juniper, Arista, and others. They can be used in both breakout and non-breakout configurations depending on the specific network requirements.

## Advantages Over Alternative Solutions

The 100GBase-SR4 QSFP28 cable offers several benefits compared to other 100G solutions:

• Lower cost per port compared to single-mode solutions

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