Multiple monitors on a laptop [duplicate]

Multiple monitors on a laptop [duplicate] I'm interested in hardware solutions allowing 3+ monitors on a laptop. I'll describe my setup below - it's not ideal, though, and I'm looking for alternatives.
Asked by: Guest \| Views: 281

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Guest [Entry]

"You can get laptops without screens:

Pros

You can add in new cards to support lots of screens
You can replace/mix&match screens

Cons

Also a detached keyboard/mouse setup
Bit larger case"

Guest [Entry]

Another alternative is the Sidecar docking station made by Digital Tigers. This looks really promising - it's an external dual graphics card connected via a PC card - but it did not work at all on three high-end laptops that I tried it with (Dell XPS 1730, Sony Vaio AW150, HP EliteBook 8530w), even after hours and hours and hours of attempts by Digital Tiger's head of support to get it working.