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4 of 4 found the following review helpful:
 Not exactly noiseless, but quiet enoughMay 12, 2010
By Alvaro _Cal
At full speed this fan is definitely not noiseless but moves quite a bit of air. I have had to lower it to about to 600 RPM for it to be completely quiet. However at such low speed the airflow is too little.
Still, the airflow/noise combination is pretty good, you just have to control the fan efficiently and adapt it to your needs.
5 of 6 found the following review helpful:
 Pro grade equipmentFeb 24, 2011
By T. A. Jones
Why do people complain about the color of these fans? It's a company signature thing and from the way these products perform, I consider the color to be a sure sign of a builder who knows what he's doing. All of Noctua's products are absolutely superior. This fan, like all other Noctua fans, is extremely silent and moves big air. The cool thing about this big daddy is that it is a 140mm fan that mounts in a 120mm place. Big air, no noise. I have no doubt that this fan will outlast the case it's installed in.
If you don't care about the stupid color of a computer case fan and don't need a cooling product that doubles as a LASER light show, this equipment is the obvious pro move.
1 of 1 found the following review helpful:
Great, with a flaw.Dec 21, 2011
By MollipZ
"MollipZ"
First, the bad: At least with my particular Noctua, the 140mm fan does not like to run vertically. Even at full speed it struggles to start. I have adapted to this and just use it for horizontal applications, but the option to mount it vertical would be nice. Hence the one star removed.
Where Noctua's really shine is not just the low noise, but the amount of pressure they emit. Hold your hand an inch away from the noctua vs another fan running at similar speed/noise, and you can feel the "thickness" of the air coming from the Noctua. Yes there are other fans out there that advertise better air pressure and similar sound levels, but they are often even more expensive than the Noc.
Another place this product shines is the included voltage resistors for customizing the fan's speed. FYI, because mine did not say it anywhere on the box: BLUE= U.L.N, BLACK=L.N. In other words, blue is the quietest/slowest. I find that the Black regulator is the best compromise of speed and noise, being not much louder than the ULN, but much quieter than full speed. My guess is the BLUE is 5v, the BLACK is 7V and it runs at 12V without either.
But here's the real benefit: you can use the spare regulator on one of your other non-noctua fans. I used the spare BLUE regulator on a rather loud 140mm fan I had in my case.
The Noctua 140mm's normal holes actually line up with a 120mm fan spot. It comes with adaptors to mount it to a 140mm. Not many cases have 120mm spots that double as 140mm, but some do, in which case the Noctua works out well. Check your case (especially the rear vent) to see if it has an extra set of holes in a slightly larger pattern than the regular ones. I've always felt that 120mm for a rear fan is just a bit too small, since often it is a case's primary exaust.
1 of 1 found the following review helpful:
I'm a fan of this fanJan 18, 2011
By DaddyMac
I have 3 of these 140mm fans and 1 120mm in my current case, along w/their CPU cooler.
Very quiet, moves a ton of air. I have mine on a fan controller, and have no problems.
I am a big fan of the Noctura product line.
My only 2 squawks would be the price, and I don't like brown. Oh well.
10 of 15 found the following review helpful:
Ode to Noctua, my soul is at easeOct 29, 2010
By JSS
"JSS"
The silent whisping air of the Noctua Ultra Silent 140mm is enough to soothe a foul beast and whisk a baby away into dream land. it's arctic breath blows softly from my computer case as the dreaded heat is quietly extracted from my tower of gaming glory. Oh Noctua, without you my life would be filled with much swelter and bedlam but with you it is fulfilled by a cool breeze and quiet pleasantries.
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based on 13 reviews
