Noctua (NF-A14 PWM) - 140x140x25mm Square Frame Fan 4-pin PWM 1500/1200rpm max
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Description for Noctua (NF-A14 PWM) - 140x140x25mm Square Frame Fan 4-pin PWM 1500/1200rpm max
All products are imported from the USA. All electronic products must be used with a step down/up converter for Indian voltage compatibility.
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|Item Weight||200 grams||140 grams||181 grams||90 grams|
|Model Number||NF-A14 PWM||CG12||CO-9050019-WW||R4-C1DS-12FB-R1|
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But the problem was they made a lot of noise and vibration, efficiency was down when RPM was adjusted to low noise.
Changed it to Noctua 140X2, when one Jetflow fan broke down within a month of purchase & received no response from Cooler Master in four days after lodging complaint.
Airflow is 114CFM compared to Jetflow's 95 CFM,
Absolutely no Vibration on full RPM
A little tolerable noise
Great performance, temperature went down 4-5 degree C, in respect to previous configuration.
Highly recommended as a case fan.
Most helpful customer reviews on Amazon.com
All of my case fans, in all of my computers, are Noctua's. I replaced my Corsair AF140s with these. I replaced my NZXT FN V2 fans with these. I replaced a lot of different brands' fans with these. Neither of the aforementioned brands' fans are bad, either; they're just not *as* good.
The cooling performance is top notch, but what really makes them shine is the noise ( or lack thereof ). These ( and Noctua fans in general ) are really the only choice for a quiet PC build that doesn't compromise on cooling capabilities. Yes, they're more expensive, but they're more expensive for a reason. And really, we're talking about, what, ~$5 difference in price? Skip the Starbucks for a day and you're covered. Seriously. It's worth it.
10 / 10 will continue to buy for every PC build going forward
1. The fan blades on the Taiwan made fans are noticeably smoother and more rounded than the ones made in China, which have rough edges at points.
2. The "Flow Acceleration Channels" on the blades of the Taiwan fans are much more defined than the channels on the made in China fans; the channels on the Chinese fans are barely raised from the blades.
3. The "Inner Surface Microstructures" of the made in Taiwan fans have a distinct waterdrop shape, whereas the made in China fans just have a shallow triangular cutout.
4. There is a noticeable difference in frame color (see images). The problem with the difference is that the fans do not match the other Noctua case and CPU cooler fans in the 3 builds that I am putting together, as all the other fans were made in Taiwan.
5. The made in China fans have a noticeably louder droning sound when spinning at the same RPM as the other fans.
I communicated these differences with Noctual Cooling Solutions and they claim that the differences are within their manufacturing tolerances and do not affect performance. But Noctua is known for its reputation of highest quality and attention to details, and I'm sure that Noctua engineers designed all these tiny details to exacting specifications in order to obtain the best possible performance, so it concerns me to see such visually noticeable differences, even if I do not have the instrumentation to measure the impact.
The biggest issue is that if there are such obvious visible differences in exterior quality, I am concerned that there is also a difference in quality in the internal motor, which I cannot see. It is not something that I want to discover down the line after the fans have been installed and used for some time.
There are a few points that are worth knowing:
1: Quiet. Like all tan and brown Noctua products, the NF-A14 PWM is borderline silent in almost all uses. The beauty of this is that it requires no knowledge, or specialized software/hardware, to get it to run appropriately. Simply plug it into a PWM-enabled fan header and let the computer run it. It'll be silent or near silent in almost all conditions.
2: Powerful. This fan produces excellent pressure and airflow. Unlike the 120mm fan Noctua equivalents, the 140mm line is designed, in general, for all-around performance, so it works great on heat sinks/rads, intakes and exhausts.
3: Position invariable. Almost all fans use sleeve bearings, which in a typical position, where the bearing is perpendicular to the ground (think front case fans), are both quiet and long lasting. However, when placed parallel to the ground (think your power supply fan), they can become noisy and fail prematurely. The SSO2 bearings in the NF-A14 PWM are unaffected by position, making these great for fans that are mounted at the very top of your case or radiator.
4: Long lasting. In large due to those superior bearings, these fans will last much, much longer than your computer will be relevant. You will easily get 4 or 5 entire computer builds out of reusing these fans, and given that fan technology doesn't advance at the rate that other computer technology does, you could conceivably reuse the same fans for 10 years or even longer.
All in all, the NF-A14 PWM is my favorite fan within Noctua, including their higher speed iPPCs (which I also own) and their smaller fans.