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Conclusion
Some people just don't need to get 4 monitors, 4 keyboards and 4 mice for their 4 computers; that's why we have KVM switches like the 4-port E&J International KNV104D. Although weighing in at a hefty $250 USD, which is about average in terms of prices for a 4-port KVM switch, the KNV104D can not only save its user money from having to buy 4 monitors, keyboards and mice, but also the energy that's required to run around and manage 4 computers. The KNV104D also has a very handy on-screen display that works really well, but the feature can be a little excessive since most people would (or should) be able to remember the positions of only 4 computers.
Despite all the neat features, the device wasn't perfect. First of all, although E&J International does have longer versions available, the included cables that I received were way too short and caused some installation headaches. Plus, the video quality was not up to par with the specifications and did show some considerable ghosting during my testing. This is quite discouraging, however, but can be improved upon if one uses better cables than those that E&J makes.
In conclusion, E&J International has a nice product with some useful features, but the quality of their product needs to be seriously improved upon.
Pros
- Allows user to manage 4 computers; saves money and energy
- Individual buttons for each computer is fast and efficient
- On-screen display can be useful
Cons
- KVM switches are not for everyone; can only use one computer at a time
- Included cables were too short; installation hassle (-1.0)
- Image quality was not up to what specifications called for (-1.0)
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