The IOGEAR 4-Port DVI KVMP Switch with Power Supply is a versatile KVM switch box that allows for seamless switching between 4 different computers using both KVM and DVI connectors. The gray switch features a 1:4 connection split/duplication, making it easy to manage multiple machines at once. With a reliable brand like IOGEAR, you can trust that this model, the IOGEAR GCS1104-KM1, will provide efficient performance and functionality for your computing needs.