You shouldn't be affraid of the brand. AsRock, Gigabyte, MSi and ASUS are all trusted enough. The problem is that all of them have a few stinkers in their motherboard lineup.
It's not the brand, it's the price & quality.
...and sometimes a few issues that are hard to pin down. For example MSi has had problems with cracked chipsets on their z790 motherboards. Other series are unaffected and these things will sometimes happen, but even without wishing to punish MSi, i would avoid their z790 motherboards.
Then there's Asus, who have annoyed many customers with their Armory Crate bundled software. Some of the motherboards are very good, some are very average and a few stink, but the AC software is best avoided. I don't have personal experience with it, i just go by what people have been saying. I'm sure you can search this topic yourself.
Gigabyte has a bundled driver manager that for a long time mixed audio, GPU, network, etc. drivers with motherboard BIOS updates and a Norton antivirus trial. As if they are equally important and safe.
They have since split BIOS updates off the drivers because flashing BIOS is not without risk, and is not something that needs to be done when there are no problems.
All of them have been overclocking CPUs beyond intel recommendations on their high end overclocking motherboards, but also on mid tier motherboards. It can help make a difference in benchmarks, so they pushed CPUs beyond the limit.
Those are not themselves reasons to avoid a brand (though Armory Crate came close), but they can affect users and reliability.
As for AsRock and that Riptide WiFi board, it is the best choice among AsRock comparable z790 motherboards.
- PG Lightning is cheapest but perfectly acceptable. It has 4 M.2 drive slots, all gen 4.
- Steel Legend WiFi has one gen 5 M.2 slot, a tiny bit better VRM, and front panel USB-C 2x2 header
- Riptide keeps all the improvements and adds wifi 7, and adds a much improved audio codec
Steel Legend and Riptide are the same price so the Riptide is clearly superior.