I collect old stuff too. There are only a handful of things that have been useful over the years, mainly USB devices. People who work with hobby embedded devices can also make use of RS232 serial equipment. It might be worth holding on to a single old monitor that can also do VGA. Or a single SATA DVD drive in case you find some old discs you need to read. I have a box of C-64 stuff I am never getting rid of. The kids will have to figure out what to do with that when I am gone.

But all those old ISA cards? Parallel printer port cables? Zip drives? Yeah, nobody wants them. Maybe you can list those old Apple talk dongles on eBay and make a hundred bucks, but you also have to deal with shipping them and stuff.

Just be careful when disposing old drives. I have a stack of busted drives that I won’t get rid of because I don’t know if anyone will be able to pull the data with the right equipment. Every now and then if I get too bored I take one apart to play with the magnets, I figure it’s safe to discard the platters if I scratch them up good.

You may want to look for local “electronics recycling” places. They might charge a fee, and if they find something they can refurbish and sell they will do it. But then you have more space to accumulate new stuff.