Specifications, Availability and Pricing
First let's cover the AF140 Quiet Edition. As the chart shows the AF140 can deliver 67.8CFM of airflow, but they only have 0.84 mmH2O of static pressure. With 12V applied to this fan you should be turning at near 1150 RPM delivering 24 dBA worth of noise into the environment.
For the AF120 Performance Edition you are now looking at a 120mm fan that delivers 63.47 CFM when it is spinning at 1650 RPM. With slightly better static pressure of 1.1 mmH20 over the AF140 QE, the noise levels peek a bit higher at 30 dBA.
For the AF120 Quiet Edition, things get toned back from the AF120 counterpart. Here you get a fan capable of only 39.88 CFM with 21 dBA of noise level. Powering the AF120 QE fans to 12V you will see the fans spinning at 1100 RPM with a lowered static pressure of 0.5 mmH20.
Al l of the fans I just listed will come with a black frame housing the hub with either nine or 11 thin blades on them. That goes for both the 140mm fans and the 120mm fans. Making them easily distinguishable between these and the competition, all fans in the Air Series have a removable colored ring on them with two extras in the box for customization to match your build. These rings come in red, blue and white so you can color coordinate or go with a patriotic theme for a custom look. While the blade geometry offers the best in flow versus noise, Corsair also takes the mounting into concern, as this is where a lot of fans creek or rattle. For all of the Air Flow Series of fans, the corners have rubber inserts in the frames corners that offer an isolated mounting to anything including wire fan mounts on coolers.
In the Static Pressure versions of the Air Flow Fans things have changed. Both fans here have much larger blades on the fan and there are only seven of them to force air and pressure through the fan. While the AF models are designed for maximum air flow with little to no air pressure with the ultra thin blades, this design is reminiscent of a Delta fan and the SP series needs bigger, fatter blades to offer static pressure levels right up there with some of the best offerings out on the market.
More specifically the SP120 High Performance fans offer the best specs on all of the Corsair charts. This fan spins at 2350 RPM delivering 62.74 CFM. Offering the highest static pressure level of 3.1mmH20 and being rated at 35 dBA is pretty impressive. To put that into perspective, that is more CFM and static pressure than a Noctua fan, but with a touch more noise.
The SP120 Quiet Edition fans still offer more static pressure than any of the AF fans. This fan will deliver 1.29 mmH20 of pressure and 37.85 CFM. When you power this fan with 12V you will be spinning at 1450 RPM and tolerating only 23 dBA of noise from this fan.
Availability of the Air Flow Series of fans from Corsair is quite high. Just about anywhere you can find Corsair products you will find the new fans as well. Looking around I found that Newegg is right in the middle of pricing, but pay attention closely. It seems that if you are buying singles or one fan at a time, they are going to set you back $19.99 per fan, whether it be the AF140 or any of the four 120mm versions. The much better offering is to buy these fans in the "Twin Packs" that Corsair offers. These packs are being sold for $29.99 dropping five dollars off each.
To be real honest, $15 a fan is nothing these days. It seems the going rate for high-end fans is closer to the $20 mark to get exactly what you want and with the selection being offered here, Corsair wants to be the answer to anyone's buying needs in cooling and at this price, I think that is very feasible for them to do.
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