Bring four desktop systems under one operator console without sacrificing video clarity, USB peripheral access, or audio. The Black Box KV9604A desktop KVM switch is designed for environments where a single user needs direct control over multiple PCs from a compact workspace. Its DVI-I video path supports desktop deployments that still rely on digital or mixed video connectivity, while transparent USB 2.0 keeps connected peripherals behaving naturally across switched systems. That matters when users depend on keyboards, mice, and other USB devices that should respond without friction. With 4-port capacity, the KV9604A is a practical fit for engineering benches, support desks, test stations, and administrative work areas that need reliable multi-system access. It reduces desk clutter, shortens operator movement, and gives teams a cleaner way to manage several machines from one set of controls. For organizations standardizing on a durable desktop KVM layer, it offers the right balance of capability and simplicity.