Great small KVM switch for small environments. I have a small home lab with 3 computers and for years I would connect/disconnect a single monitor between computers when I couldn't access it remotely or when one of them was blocked. I finally bought this KVM switch based on the price and reviews. Fairly easy to install and runs from the USB port of connected machines. The KVM switch recognized my Centos and Xen machines immediately. My Windows machine had to be restarted before it worked. I don't know why, it should be plug and play. But after spending 10 minutes trying to get it working, I went ahead and followed the instructions, spent 2 minutes restarting my windows computer and it worked right away. Conclusion: He does what he says. Has 4 ports with mic and sound (which I won't be using). Let's see how long this lasts. If I encounter any problems with this, I will update this post.MP
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