The IOGEAR GCS1808KITU Combo KVM Switch is designed for seamless management of up to 8 computers from a single keyboard, mouse, and monitor setup. This rack-mountable unit supports both USB and PS/2 connections, making it compatible with a wide range of operating systems including Windows, Mac, and Linux. With a maximum video resolution of 2048 x 1536, it ensures high-quality visuals for all connected devices. The KVM switch features an intuitive on-screen display (OSD) for easy navigation and computer selection, along with a front USB port for system upgrades and shared peripherals. Its robust design allows for cascading up to 2 levels, enabling control of up to 128 computers from one console. Security is enhanced with a two-level password protection for the OSD, ensuring that only authorized users can access the system. Ideal for data centers and server rooms, the GCS1808KITU is a reliable solution for efficient computer management.