The 8-Port USB KVM Switch with On Screen Display lets you manage multiple computers with one keyboard, monitor and mouse. This rack mount device supports USB and PS/2 interfaces on the console side and USB only on the PC side. You can switch between PCs using hot-key, push button or On Screen Display for flexible management. You can also hot-plug PCs on the fly and avoid downtime. A maximum of (64) PC connections are supported when you daisy chain multiple TK-804Rs. The 8-Port USB KVM Switch is the perfect choice for managing multiple PC's.