Level1Tech's Dual Monitor KVM Switch is our choice for the best overall KVM switch for three key reasons: its impressive features, durability, and excellent customer reviews. Control multiple computers with one keyboard, mouse, and monitor using our recommended KVM switches, with setup guides, troubleshooting tips, and security considerations for work and home office environments. Supports 4K resolution for crisp display. Easy switching between computers. 0 ports supports 4 computers to share USB. KVM switch stands for “ K eyboard, V ideo, M ouse,” which is essentially hardware that allows users to switch between multiple PCs or servers from one keyboard and mouse. However, with so many. To manage two or more devices using just one setup, so you'll need to consider using a high-quality KVM switch. Basic models handle 2, while advanced.