Maxfree - S2

I use one. I use the Maxfree S2: https://www.amazon.com/dp/B0CG9XBTRX scroll down you'll even see my review of it in the reviews section with pictures. You'll want to make sure first of all, that your laptop will support 3 outputs. I have an Acer Predator Helios 300 which uses HDMI/Thunderbolt/Mini DP so no problems for myself personally. One thing I didn't like is PhysX does not work on USB-C, so you won't be able to do any hardware streching for games. But for productivity it works just fine. P.S. I ALSO have a detachable screen on the side which works fine as well. That usually gets used for my Chromecast and watching TV and playing games on the go.