Maybe a RPi 4, 8 GB RAM version? It already has 4k, WiFi, BT, USB 3. Just
add MicroSD and a case.

4k60 requires some config:

https://digitlz.com/tip-of-the-day/use-wqhd-or-4k-with-your-raspberry-pi-4/



On Mon, Aug 16, 2021, 19:24 Mike Miller <mbmiller+l at gmail.com> wrote:

> I'm thinking it would be great to mount a small Linux computer to the back
> of a TV and connect it to an HDMI port on the TV.  It could then connect
> via WiFi to a media server and show videos, photos, streams, etc. on the
> screen.  It's a pretty obvious idea and I know people are doing it, but I
> don't know what to buy.  Features I'd want:
>
> 4K video HDMI output (3840x2160).
> 8GB RAM
> 128 GB SSD
> WiFi
> Bluetooth
> USB 3.x
>
> It would be great if it were easy to install Ubuntu, say, and have
> everything just work.
>
> I see that Beelink has some offerings that ship with both Windows and
> Linux installed.  I don't know which distro.
>
> Anyway, I'm hoping that someone here has some experience with something
> and can point me in the right direction.  More power and features is
> always better, but so is a lower price!
>
> Thanks in advance.
>
> Mike
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