21.5L ATX case.
http://www.jonsbo.com/en/products_29_3.html
http://www.cooltek.de/en/powered-by-jonsbo/rm1/150/rm1
http://hardforum.com/showthread.php?p=1041706504&posted=1#post1041706504
Looks like in the link/build on [H], the AIO is just freefloating, resting on top of the PSU. I'd have serious concerns about ventilation in this case (I'd say that normal for a Jonsbo case, yeah?), but still very impressive.
http://www.jonsbo.com/en/products_29_3.html
http://www.cooltek.de/en/powered-by-jonsbo/rm1/150/rm1
http://hardforum.com/showthread.php?p=1041706504&posted=1#post1041706504
Looks like in the link/build on [H], the AIO is just freefloating, resting on top of the PSU. I'd have serious concerns about ventilation in this case (I'd say that normal for a Jonsbo case, yeah?), but still very impressive.