https://www.qubes-os.org/doc/certified-hardware/
Is anyone running this on a laptop? I get the feeling after reading that page that this is really strictly desktop only. Maybe the page has not been updated in a bit?
The certification requirements are higher, but that's basically if people want to stick the Qubes-certified label on their devices, signaling to customers that it measures up to the highest standards of security.
They're not necessary to run Qubes, they're just ideal.