A KVM (keyboard, video, mouse) matrix is a hardware system that allows multiple computers to be controlled from a large number of workplaces via a central module. Usually, a KVM matrix consists of a combination of a central matrix switch and matrix-compatible KVM extenders. Switches to connect multiple computers to one or more peripherals have had multiple. A KVM switch is a device that manages multiple video and peripheral signals, enabling access via a single screen, keyboard, and mouse—or, in reverse, through a reverse KVM switch. It is often used in data centers, server rooms, and other IT environments where multiple computers need to be accessed and managed. KVM stands for Keyboard, Video, and Mouse.