Is this a legit multiviewer for a multiple pc setup?

I need a multiviewer to complete my multiple pc setup for multiboxing, I swear that it's extremely hard to find, only few chinese seem to sell these tools on ebay or amazon, I can't find a monitor with multiview capabilities or multiviewer switch on my country.

Will this do the job?

4K HDMI 4X1 Quad Multi-Viewer 4 IN 1 Out Multi Screen Switcher HDMI Splitter NEW | eBay

It's very cheap so I wonder if it's worth it, these tools are usually more expensive.

Overall, can someone suggest me a cheap monitor or other multiviewer device who can do the job?

There are network drivers - NDI if I recall that can do that.

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Originally Posted by Moorea

There are network drivers - NDI if I recall that can do that.

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I was thinking about a hardware solution in order to make better use of the slave pcs gpu, if I do this with software then the main pc handles all the pressure or is that wrong?

I will keep that in mind though, going for a very powerful main pc and very weak slave pcs is also an option.

Pushing frames through the network and displaying them on main PC isn't very resources intensive (on a LAN) but I'm saying this 2nd hand, folks in HW boxing community have all that (Ellay^h^h^hHappyDays & co for instance)

When I was still hardware boxing, I just used 4 separate monitors, with dual inputs, on a 2x2 monitor mount. I remember Multidayz had issues with some of the cheap 4x1 adapters where the video quality was garbage and low resolution, so I'd make sure you get a quality one, but from a place with a good return policy just in case.

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Originally Posted by daviddoran

When I was still hardware boxing, I just used 4 separate monitors, with dual inputs, on a 2x2 monitor mount. I remember Multidayz had issues with some of the cheap 4x1 adapters where the video quality was garbage and low resolution, so I'd make sure you get a quality one, but from a place with a good return policy just in case.

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Dual inputs? do you mean the ultrawide monitors? I was thinking about the mount solution with 4 monitors, I may buy 4 cheap small ones.