It bumps the speed and officially supports Displayport and PCIe protocols being tunneled through.
Also, as a tiny nit for seemingly no other reason than to piss us all off, they have decided the “correct” way to write it is “USB4” (no space). This is in contrast to every previous version of USB such as “USB 3” (space).
I believe in the adage of, “If it sits between you and the ground, don’t skimp”.
Shoes, socks, desk chairs, lounge chairs, sofas, car( seat)s, mattresses…
You spend too much time in or on all of these things to be uncomfortable.
I also see posted here the Adam Savage advice of buying cheap tools first, and then upgrade after you better understand your needs. I also think that’s great advice you can apply to most things. Just not the above things.
Briefs. Actual support. The singular function underwear has.
Boxers are just commando with extra steps. Utterly pointless.
I consider all enlightened boxer brief centrists to be strictly in the briefs camp as boxer briefs are just briefs with leg extensions.