SILVERSTONE AP121 Case Fan

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For funnelled directional cooling, these fans can't be beat. I started with just one, and now have three functioning as case intakes and running off the same fan controller for consistency.They're not whisper quiet at full speed, but the sound isn't at all annoying either.

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Overall good fans and would definately purchase again.

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I really like this fan, it doesn't have any lights which is a good thing for me cause I have it mounted at the top of my case near the cables n stuff for an intake and it doesn't make any noise or produce light which is what I need in a fan. I don't remember what plug I used but I'm happy with the setting.

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I bought this to replace the CM fans I had on my Cool It ECO unit.I found in my CM690 they made a terrible whirring noise, it turned out to be a symptom of the fan grill on the case as the penetrators still made the noise but much much quieter. I put the 5V fan reducer on the outside fan pulling air in and 12V on the inside and it runs silent now. Along with that temps have gone down a few extra degrees as a bonus, I highly recommend these.

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I use two for intake and they're doing their job. I haven't compared them to other fans in the same case for the same job. My case temps are pretty low though, so I suspect they are working as intended.

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Got this cause I was sold on it's airflow demonstration video, pushes a good amount of air while remaining silent. The fan blades feel pretty sturdy unlike the usual flimsy stock fans. It comes with a connector that splits into 3 different voltages which is pretty useful. I just didn't like the rubber mounts, it was really hard to install, it broke so I had to improvise and it'll be even harder if you have fan filters.

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Great product when used on dense radiators, heatsinks or as intake in a case. (:

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Bought 3 of these months ago for use on a triple rad, worked well so I grabbed another 4 for use in push-pull on an externally mounted dual rad. Haven't done any extensive testing but they seem to strike a good balance between good performance and tolerable noise levels.

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he design goal for Air Penetrator is to focus airflow into a column that can be channeled through various obstacles inside the modern computer case for more efficient cooling performance. Compared with traditional fans, where airflow spreads outward and further looses focus with resistance added (e.g. filters, fan guards, etc…), Air Penetrator fan’s unique blade and grille designs can create  enough pressure to push air as far as 1 meter away with minimal fan speed and noise. This unmatched efficiency makes Air Penetrator ideal not only as intake case fan, but also perfect for high density heatsinks and radiators.

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Bought 2 of these for my Fractal R3 case as intake fans. It moved alot of air and the noise is acceptable.

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It pushed alot of air. Im currently testing 1 on my heatsink to see if i get have better temp. I also did a price match.

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the video review linus made sold me on this one. i had to get it for my front air intake. it works! buy iT!

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I have tried this in a Fractal Design R2 and it works well even on its lowest settings at pushing through the hard drives(I cut my filters out on day one, too much restriction). I also tried it in a SG05 SFF case. with 12 volts it works well but with 7 volts it does not cope well under load. That case is small so it may not be the fans fault. On my Zalman CNPS Flex with auto fan control it manages to almost keep up with my Noctua NF-P12(it looses to my dual Antec Pro 120's, but those are LOUD!). That is no small feat, but its still louder.There are many places one may want to use this fan, just make sure its for the right application. This review was modfied by poster @ 08-25-10 05:31 PM

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I was very impressed by this fan, the amount of thought and engineering put into the design is clearly noticeable once you try it for the first time.