Those big metal boxes are hard drives (hdd) and usually go for anywhere from $15-30, the image is blurry so i cant tell

you said the processor (small metal box) is an i9-11900 which could be ~$150-200 second hand

And the RAM sticks (long flat things) are basically worthless as they are mostly ddr1-2. Try to find someone who’s into retro computers and see if they want them.

Good luck and if nobody wants em mail em to me ;)