Yes it meant to be better to have the barbs at the bottom as it reduces the chance of the pump sucking in air, But you can fit it with them at the top if you want too.So I'll have to take the 360 from my main pc a phanteks p600s which was top mounted and put in the H7 then put the 420 in the P600s and front mount it. A pain but not the end of the world. I'm assuming if the pump barbs stretch it should be barbs at bottom not the top, right?
If i remember right the P600s case inside has exactly the same inside as my Evolv X case so the 420mm should fit with the barbs placed at the bottom the same as i have done. But it is a very tight fit so have fun
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