https://item.taobao.com/item.htm?spm=a21wu.10013406.0.0.47782db7IC0Qve&id=564738032542
Been eyeing the P6 ITX case, total volume is less than 17L and when I asked the seller he mentioned it supports 2 x 120mm radiators, so you can run a thicker Corsair H80i with 2 fans (push pull) on you CPU...