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It should be possible except for the 240mm AIO, the PSU has to be orientated at a right angle to the motherboard which blocks the AIO, otherwise the case ends up being an extra 50mm longer. 


But with an ITX motherboard then yes, the PSU can be lay flat and therefore a 240/280mm AIO mounted to the top panel.  This layout should be possible at around 13 litres with a triple slot GPU, the LZX-12 will be 2.5 slot.