Comment Re:Water cooled! (Score 1) 202
Then get an IP rated fan, or a larger, fanless radiator.
The latter. Even if the fan can stand brief immersion, it probably isn't suitable for something that is exposed to water jets.
So the ideal system would probably be something like this:
[1] Water blocks on CPU and GPU, and possibly another air-water heat exchanger somewhere internally to keep the internal ambient temperature down.
[2] At least one internal fan to circulate the air, keeping for example the memory modules (which should have large heat sinks) cool.
[3] The coolant goes to an exchanger attached to a large external heat sink which is sufficient to passively cool the system in dry air. Ideally the heat sink fins would be oriented vertically to take advantage of convection, as well as shedding water properly. Then you're covered if the water is intermittent, or just not there. if water does come along, so much the better.