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by yc12340 1790 days ago
Judging from reviews of hardware keyboard-video-mouse switches, they tend to work MUCH worse than Looking Glass. All modern GPU connectors are digital, so those KVM switches have to include a mini-gpu (usually a costly and buggy one). Also they end up re-implementing a complete HID support, because otherwise switching USB devices between hubs takes forever.

In nutshell, KVMs aren't worth their money because they have to re-implementing a lot of hardware already found in your PC.