Noctua NF-A12x15 FLX, Premium Quiet Slim Fan, 3-Pin (120x15mm, Brown)

I had to find a slim set of fans, as I couldnt fit standard 120mm fans with my Corsair H100i in a Corsair Obsidian 250D mini-itx case. These fit perfectly, and Noctua makes some of the best (and ugliest) on the market. They pull enough air through the radiator to keep an i5-6600k OCd to 4.8GHz at ~34c at idle and mid 60s under load.

I love Noctua fans, and now we have skinny Noctua fans. DAT CLEARANCE!

Pros:

Pros:

Air movement is great! However, it does generate a whining sound above 70%.

Nice quiet fans to fit my custom loop in an itx case.

The fans are really silent and slim, exact what I was looking for. I recommend it.

Noctua fans are known for their quality, and this fan is no different! Not only does it move a lot of air, it does so quietly. Not quiet enough for you? It also comes with 2 low (and lower) noise adapters that slow down the speed of the fan to make them as whisper quiet as youd like. I used them in a 3d print build I did for a headphone stack and it worked out wonderfully and keeps things cool AND does so in near silence. Recommended

Quiet and thin, perfect for the mini ITX build I just completed!.

I gotta say, this fan is something else. Its my first Noctua product, and the quality of the packaging, the fan itself, and the associated manual is next level. The fan works perfectly, Im glad how short the cable is by default (something to expect for fans of this size mainly used in small-factor rigs, yet its not always the case). I ended up staying with Noctua for my other needs after using this fan.