Summary: bought this fan from a local shop in 2013 when I first built my computer, a corsair 600T case came with a faulty fan, instead of replacing the fan through corsair and being fan-less fro three weeks I bought a new one. This fan has worked flawlessly for three years!
Pros: -has been running perfectly for years -quiet -moves a lot of air -low RPM=less vibration=low noise
Summary: Bought this to replace the one in my Twelve-Hundred V3 case, didn't realize that this replacement doesn't have the blue LEDs of the original. Don't really care because I turn off all the LEDs, but it's kind of annoying because the switch doesn't sit snugly in the case, since the case hole was meant...
Summary: When it cooperates, this fan is great -- I can't speak for other cases but it snaps right in to the Antec 900 and moves a ton of air. Be ready for a little frustration in removing the top panel to replace the old one. However, I bought a replacement due to my original fan rattling at all speeds.
Summary: The fan fits my Antec 900 two case perfectly. He only draw back is that it doesn't seem to move as much air as the stock LED big boy. My only wish is that manufacturers would have OEM parts available for consumer purchase.
Summary: Great direct replacement for my Antec case. Pretty quiet on the lowest setting and it moves a lot of air. Not sure why you would ever need more than the lowest setting so it seems like a waste to have the other two.