I think AMD originally pitched it for laptop makers since it was leaked in 2020: https://videocardz.com/newz/amd-mobile-apus-for-2021-2022-de...
But I suspect they rejected it because they don't care about IGP performance, just as they rejected Intel's "Iris" Broadwell CPUs and the hybrid amd/intel chip.
I love my Synology and love that they are going AMD. While some argue that having video transcoding on a NAS is wrong, it’s also very handy, but the AMD options I’ve seen aren’t a patch on quicksync.
That tech is unbelievably good and might be the only bit of Intel I like.
I can easily see datacenters with these things in the future.
The higher end x86 NASes are advertised closer to "home datacentre in a box" solutions that offer VM/container runtimes and third party software markets.
So far, x86 is significantly more user friendly and performant for these use cases: the "desktop-ish performance for desktop-ish prices" range doesn't really have many hardware options (Apple certainly won't sell theirs to OEMs, and the Snapdragon 8c is a bit on the low end, and the real data centre ARM many-core monsters are too big); and the software offerings aren't quite as user friendly either.