CPU list:
An 80286 4Mhz (8 bit bus) from our original family Tandy 1000TX, 80386 from the second PC (Epson or something iirc), 40486 DX 66 from the third, a Pentium 75 that I OC'd to 100Mhz that I bought second hand, a K6-II 400 socket 7 (My first actual build), a small box of Pentium CPUs from 75 to 166Mhz, a Slot 1 Pentium 2 266 (project PC), a slot 1 Celeron A 300Mhz (hehe, overclock much?), Slot 1 Pentium 2 300, Athlon 600 Slot A, Pentium 3 866 socket 370 (Project PC), Duron 800 (OC to 1 Ghz with the ol pencil mod and my second main build), Athlon XP 1500+ (Replaced the Duron), Athlon 1800+ (Replaced the 1500+), AMF FX8350 (Thought AMD was still good after a long hiatus), i5 4690k (Replaced the space heater FX build, 4.8Ghz all core OC and lived to tell the tale), i74790k (Replaced the i5 for MSFS 2020 and OC'd to 4.7Ghz but not one bit further), Ryzen 5 5600X from my current build which now has a 5800X3D. Also have a small box of laptop CPUs both Intel and AMD from the good old days when these things were upgradable.
GPU list:
A box of various Cirrus Logic and S3 PCI and AGP cards I used to use as testers, an OG GeForce 256 (Dead, I got stupid with a vbios flash at a time when that was stupid to attempt), some old ATi cards of various ages, ATi 7870 Ghz edition and an old Starfighter Intel i740 (with free game and insert)
Other crap:
Box of HDDs going back to SCSI and PATA, small box of SIMMs, small box of SDR, DDR, DDR2, DDR3 DIMMS and soDIMM, half dozen old NICs of various brands, stack of random optical drives of varying types. An entire Toshiba Pentium 90 powered laptop with all the goodies and add in cards/modem (Still runs, on win95 iirc, shipped with 3.1). Various Dell laptops and netbooks dating from the last 20 years, and a random 3.5" floppy drive that I use as a paperweight (Might still work idk).
....
......Probably some old SoundBlaster clone soundcards somewhere in a box with a few dozen VGA cables.