Judging from your current photos, one is that the hard disk can be used and the other is the power supply. Other memory chips, CPU because I don't know whether it is a special minicomputer model, it is estimated that the interface on the motherboard of ordinary desktop is wrong and can't be used. If you have a way to fix the motherboard of this all-in-one machine to the chassis and then install all these accessories, it should work. But in that case, it is estimated that you can't move casually, which is equivalent to replacing the shell of the all-in-one machine with the chassis.