Sound-optimised blade geometry and profile: The
NF-R8 is the first fan employing a novel 80mm rotor which was developed by the
Austrian Institute for Heat-Transmission and Fan Technology (Österreichisches
Institut f¨¹r Wärme¨¹bertragung und Ventilatorentechnik, ÖIWV). Thanks to the
special optimisation of the blade geometry towards ultra low noise application,
the NF-R8 is up to 10% more quiet than current high-end fans at the same flow
Self-stabilising oil-pressure bearing (SSO bearing): The NF-R8 series are
equipped with a magnetically centred, self lubricating oil-pressure bearing that
provides a new level of quietness and long-term stability
- by Shu_M @Nov 08, 2013
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Installed one in the front of my case to a fan controller. I can't hear it when it's turned to its lowest setting. I made a tunnel from that fan up to the intake of my 670 GTX 4 gig and when gaming I turn my noctua up to max, and it's still fairly quite. And my 670 runs very cool while playing games maxed out.
I purchased two of these on April 2 2009 from NCIX, and have been using them at 12V ever since. I used them to replace a Cooler Master, who's bearing gave up the ghost and grind like a cutting saw. The other is general case circulation with a ULNA adapter. Some people wonder why anyone bothers to buy them with the prices and other brands that are available. I know my reason is because Noctua provided good airflow rates and pressure while remaining quiet or at least diffuse sounding. Others create a steady midrange tone and all to often emit a second series of high frequency PWM switching sounds that leaves my ears begging for mercy. I do recommend Noctua because they work, they're quiet, and they last.
Bought 2 of these 80mm Noctua's as exhaust fans for my HTPC. Needed fans that would move a lot of air yet quiet at the same time as the OEM fans that came with the Silverstone HTPC case were quiet loud at 2000rpm.
These fans are connected to the Gigabyte SYS fans 3 pin board without any of the supplied low noise adapters and they both operate at 1920rpm and very very quiet. Extremely pleased.
Used this fan for a sff case and for it's small size it moves quite a bit of air, while at the same time is nearly silent. Nice to have a standard 3 pin, sleeved cable but for the price it's not surprising. Immune to the color-scheme now, but if you need a dead silent fan that still moves a good amount of air this is a good choice.
Bought this fan to cool the heatsink of an old Athlon 64 X2 3800+ in a htpc project. I wanted the thing to be as silent as possible and this fan helped me achieve this very well. You'll understand that the processor is almost never under big load and is not overclocked so this fan provide decent cooling for my build. It is a bit pricy but you won't regret it when you'll (won't) hear it.
I boxed myself into a corner by installing the fans near the end (so I wouldn't bash them doing something else). I paid, I paid. I had no room in the end to pull-through the rubber installation grommet/standoff thingies. Murder on the fingers, couldn't get needle-nose pliers in the space, etc.
BUT, in the end, on the slowest speed/voltage setting, they are nearly silent. I used a pair of 80mm blowing out, a pair of 92mm blowing in and a giant Noctua C14 cpu fan. Super cool on my i5 2500K / Asus P8P67 motherboard, and super quiet, nearly silent.
This review was modfied by poster @ 10-19-11 10:54 PM
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