KVM switches let you control multiple computers with one keyboard, mouse, and monitor, eliminating cable clutter and duplicate peripherals. This solves the common problem of managing separate input devices for work laptops, personal desktops, and other systems while freeing up. With the innovative CrossDisplay-Switching, users can use the mouse to easily switch between channels. The mouse acts as if on a “virtual desktop” and can be moved seamlessly across the connected displays. Black Box has a broad portfolio of KVM solutions that. Shop a wide selection of KVM Switches at Amazon. Free shipping and free returns on eligible items. Seamless KVM Switch, QSSM-3114, allows users to monitor and manage 4 computers, and enables asynchronous audio switching and USB 3.