while a straight dvi-d to dvi-d cable is quite uncommon to need today, i have used a bunch of hdmi to dvi-d adapter cables the last couple months to hook up new desktops to older displays that had vga and dvi-d inputs.
nope. but we have an 'account charge' per meter, as well as a 'cost adjustment' that has never adjusted lower.
we've also had charges for meter replacements we never asked for or needed... not like the old spinny dial ones were broken. or the first digital one they put in.. or the second. or the.... i'm on my fifth meter in 25 years.
perhaps higher amongst fediverse users, but not with the general public.. default settings all around--including auto updates, no intentionally installed browser addons, maybe a wallpaper change. but that's it... is the most common windows configuration we see, by far.
some of the schools around me just post on their web site or fb when they're getting rid of old systems. they're gone within an hour or two.. they're priced to sell fast.
for shits and giggles i took a win7 and a win81 straight to iot 24 with no problems on either. run the upgrade from a rufus'd (these were 2009-10 era desktops) usb made from a modded (upgradematrix) iso. going to 10 ltsc or iot should be the same process.
since you're buying parts, you can specifically look for boards with 6-8 (more than that will require a 'specialty' board). 8 isn't impossible to find. start a build on pcpartpicker, go straight to motherboards and filter 8 or more 'SATA 6Gb/s Ports', then sort low-to-high on price. you should find a msi pro am4 and an asus prime am5 that are quite reasonably priced and have multiple reputable vendors selling them.
otherwise you're looking for an expansion card to add to a board you've already got or to expand one of those above for even more.
of course, you need the drive bays to hold them all, too. which can be harder to find at a reasonable and affordable price than motherboards and controller cards.
that was probably just a byproduct of the actual feature of ensuring there was no slack built-up from vibrations before re-engaging the tape head.