Juniper EX4400-EM-1C 100G MACsec Module

Increase bandwidth where it matters most. The Juniper EX4400-EM-1C provides a 1 x 100 GbE MACsec extension path for supported switching environments, giving infrastructure teams a way to add high-speed connectivity without redesigning the entire network. In dense enterprise and campus architectures, that kind of targeted expansion can be the difference between a controlled upgrade and a disruptive refresh. MACsec support is especially relevant when traffic traverses links that require stronger protection at the Ethernet layer. By combining 100 GbE throughput with link-level security capabilities, this module is positioned for deployments where performance and data protection must move together. For organizations standardizing on Juniper, the EX4400-EM-1C fits a disciplined growth model: expand capacity, preserve platform consistency, and keep the network aligned with existing operational practices. It is a strong choice when the cost of downtime, re-cabling, or platform replacement exceeds the value of a simple port add-on.