The IOGEAR GCS42UW6 is a 2-ports external KVM switch that allows users to easily switch between two different computers using a USB 2.0 interface. With this product, users can seamlessly connect and disconnect multiple computers without the need for a separate KVM switch, making it a convenient and efficient solution for managing multiple systems. The IOGEAR brand is known for producing high-quality networking products, making this KVM switch a reliable choice for businesses and individuals looking to streamline their computer setup.