A 140mm opening would be awesome, but I don't think it would be greatly restricting to mount that fan on a 120mm opening. I'm gonna order one soon to test it out, the noise/airflow numbers on that site look fantastic!On that note, would you like to see a 140/120mm fan mount on the side panel? Of course both you linked, including the 140mm Prolimatech have a 120mm hole pattern (105 x 105).
Edit: Found a German review of the Prolimatech fan. It did come in at 18dB, and it had the best cooling performance of all the fans it was tested against, including full size 140mm fans. Do want.
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