EX4400-EM-4Y Juniper 4x25G SFP28 Extension Module for Optical Network

The EX4400-EM-4Y is a premium extension module that seamlessly integrates into Juniper’s EX4400 series, delivering reliable, high‑throughput connectivity for modern optical networks. Built with industry‑grade SFP28 interfaces, it expands your switch’s capacity while maintaining the same robust performance and low latency that Juniper is known for. Whether you’re scaling data centers, enhancing campus connectivity, or upgrading enterprise backbones, this module offers a plug‑and‑play solution that supports hot‑swappable operation and tight power consumption. Its compact design and proven compatibility make it an ideal choice for operators seeking to future‑proof their infrastructure with minimal disruption.