Is a case necessary?

[Automata]

LOL why does he have rails on the drives?

In case he wants to quickly remove the drive?

 

[Ben333]

LOL why does he have rails on the drives?

Drives were probobly pulled from an OEM (compaq, dell) and he for got to removed them in the new rig.

 

[Sleepy_Steve]

Lets see... I think its optional. Here are some pics to help the ideas flow.

Overflowing out of the case...

And on top of a cardboard box...

 

[Sederien]

Your HDDs are in the box? *laughing* That's priceless.

I'd agree with the above that a case isn't necessary, but I prefer one nonetheless.

 

[Jas]

This was YEARS ago, mid nineties, but I had a coworker who was a total nut. Anyway, he mounted his components on his wall. Of course this was back in the day when you could cool a CPU using a Hs no bigger than what I would put on a mosfet these days, but I digress.