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Roly A
> 24 hourExcellent 200mm fan using it on a thermaltake view 51 and at full speed its quiet.noctua fans are the best in the market..
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Jason Belyew
> 24 hourAs they state in the description.... Please Note: The NF-A20 has a 200mm diameter (7.8 inches), and a thickness of 30mm (1.18 inches). Please make sure you have sufficient space in your case.
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Michael
> 24 hourIt is a little expensive (as most Noctua fans are), but it is well worth it. I had a lot of trouble finding a similarly sized fan with PWM control, and I know this fan will outlive my computer so I can reuse it again for my next build. It moves a good amount of air and is completely silent, plus you can adjust the flow as needed with the PWM control. Very high quality, but then... would you expect anything else from Noctua?
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Tas
> 24 hourSet and forget at 700 rpm, at that speed these fans are dead silent, if you go higher they become a little loud.
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Ian
> 24 hourFan spins and is quiet. One of the few that fits a haf xb evo
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Steven Sciallil
> 24 hourI really wanted to like these fans and in the hands, they appeared to be of excellent quality. The only problem is that they will not fit into the 200 mm fan slots in the Coolermaster H500m case. Their additional depth (or thickness) is the issue. Please fix this Noctua and give them more than 800 rpm, and Ill give them another try.
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Elmira Schimmel
> 24 hourVery quiet, easy to install and just enough rpm’s to do a good job pulling the hot air out of my computer case with out sounding like it’s going to take off. Second Noctua fan I’ve purchased.
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cdeath
> 24 hourOrdered this fan to replace the 200mm front panel fans on my lian li 215 case. They would fit if they came with 35mm screws, however Noctua felt that was not necessary. All standard long fan screws are 30mm, this fan is 30mm thick. Its really cheap to not include 20 cents worth of screws with a $36 fan, very disappointed with Noctua right now. Best I can tell a M3x35mm screw is what you need, guess I am going to home depot to find screws now.
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Brittanie Galloway
> 24 hourOnly quality product. Likenit was designed by engineers
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Jesse S.
> 24 hourI own several noctula fans and never have had one fail. Some have been spinning for 7 years, my PC is usually on unless there a power failure. I cant speak the same way for other brands such as aerocool. The only thing I would have liked would be a slightly longer cable. Its needed in my setup since its mounted on the case door. You can buy extensions for your specific setup.