A KVM switch manages multiple computers, while an HDMI splitter displays content from one computer to multiple screens, making them complementary in complex setups. Learn the differences between KVM switches and HDMI splitters and find out which one is right for your. A KVM switch (Keyboard, Video, Mouse) lets you control multiple computers using one set of peripherals. It solves the “not enough HDMI ports” problem, so you don't have to crawl behind your TV to swap cables. In this guide, we'll walk you through everything you need to know before buying a. Split Screen KVM Switch offers unique split view of variable display patterns that include PiP, Full-View, Quad-View, and PbP (1+3/ 3+1) windows.