A KVM switch enables you to control multiple PCs/servers via a single keyboard, monitor and mouse. With this product, four computers can be connected via USB and VGA. The KVM switch also provides a 2-port USB 2.0 hub for another two peripherals. Switch button located directly on switch Bus-powered Supports hot-plug Cross-Platform Compatibility Metal enclosure Connectors: Input: 1 x VGA female, 4 x USB-A female, 1 female, Output: 4 x VGA male, 4 x USB-B female