Cisco Catalyst 4 Ports Gigabit Expansion Module

Overview

The Cisco C3KX-NM-1G= is a 4-port gigabit expansion module designed to enhance the connectivity of Cisco Catalyst 3560X and 3750X series switches. It provides four slots for 1-Gigabit SFP modules, enabling flexible fiber or copper connections tailored to your network requirements. With support for data transfer speeds up to 1000 Mbps, this module helps maintain fast and reliable network performance while allowing you to scale your infrastructure efficiently.

Its lightweight design, weighing just 3 pounds, makes it easy to install in both desktop and rack-mounted environments. This module is ideal for IT professionals managing growing networks in small to medium-sized businesses, educational institutions, or branch offices that need to add more gigabit ports without replacing existing hardware.

Key features

• Four 1-Gigabit SFP module slots that provide flexible options for fiber or copper connections
• Compatibility with a wide range of standard SFP modules, allowing easy customization and upgrades
• Reliable Ethernet interface that integrates seamlessly with existing Cisco Catalyst switches
• Supports data transfer speeds up to 1000 Mbps to ensure consistent network performance
• Lightweight design at just 3 pounds, simplifying installation and handling
• Designed specifically for Cisco Catalyst 3560X and 3750X series switches to expand port capacity

Key specs

• Number of ports: 4 SFP slots
• Data transfer rate: up to 1000 Mbps (1 Gbps)
• Compatibility: Cisco Catalyst 3560X and 3750X series switches
• Weight: approximately 3 pounds
• Interface type: Ethernet

Connectivity and compatibility

This expansion module supports a variety of standard 1-Gigabit SFP modules, giving you the flexibility to choose fiber or copper connections based on your network setup. It integrates directly with Cisco Catalyst 3560X and 3750X switches, making it a straightforward way to increase port density without changing your existing switch infrastructure.

• Supports both fiber and copper SFP modules for versatile network configurations
• Compatible with Cisco Catalyst 3560X and 3750X series for seamless integration

Ideal uses and environments

The module is well suited to environments where network growth demands additional gigabit ports without the expense of replacing switches. It fits well in small to medium-sized business networks, branch offices, and educational institutions where reliable and scalable connectivity is essential. IT teams can quickly expand network capacity to support new devices and increased traffic with minimal disruption.