If the Dell UltraSharp U4323QE has made it on to your shortlist of the best 4K monitors, it's going to be because you're after something that's pretty huge. This is a giant 43-inch monitor (well, 42.5 ...

Multi-monitor desktops are popular with both professional computer users and enthusiast gamers who want a more immersive widescreen experience, but setting up these systems can be somewhat difficult.