The Ubiquiti UniFi Security Gateway Pro 4 (model USG-PRO-4) is a high-quality network switch manufactured by Cisco. It is designed for enterprise networking setups and offers advanced security features to protect your network. With its reliable brand reputation and specific model number (Cisco SG330-20), this switch is a top choice for businesses and organizations looking to enhance their network infrastructure. Made in China, it ensures a strong and efficient networking solution for those in need of a reliable and secure switch for their system.