New Noctua products are a rare sight, but when they do, they always make a lot of noise. We could see the premiere of the new G2 series fans a while ago, while Noctua is adding additional options to the product portfolio. Recently, we had the opportunity to review the NF-A12x25 G2 series fans. This review focuses on two fans from the same technology but with a larger size – the NF-A14x25 G2 and NF-A14x25r G2. Both fans have multiple purposes, but the “r” version is designed mainly for CPU coolers, as seen on the refreshed Noctua G2 CPU cooler series, like the NH-D15 G2.
Let’s begin with the specifications and features of the new Noctua fans.
Noctua’s NF-A14 is renowned as being among the best 140mm fans on the market and has received more than 100 awards and recommendations from the international press. With its further improved efficiency and novel, state-of-the-art engineering, the NF-A14x25 G2 represents another step up in performance.
The NF-A14x25 G2 succeeds the award-winning NF-A14 and, at the same time, builds on the technological innovations of the ground-breaking NF-A12x25, such as the use of Sterrox® LCP, an ultra-tight tip clearance, and its strongly swept nine-blade impeller design. However, the NF-A14x25 G2 isn’t simply a 140mm version of the NF-A12x25, but rather represents a further refined, second-generation implementation of this design approach. In particular, the aerodynamic design of the NF-A14x25 G2 is characterised by the introduction of the novel Progressive Bend impeller, the Centrifugal Turbulator hub, and the addition of winglets, all of which work together to enable a breakthrough in airflow-to-noise efficiency compared to the original NF-A14.
SupraTorque™
Most fans become slightly slower when working against back pressure, such as on heatsinks and radiators, which results in reduced performance. Enabled by the new NE-FD6 driver IC, Noctua’s SupraTorque™ technology allows the fan to leverage additional torque headroom when required in order to keep its RPM speed at the desired level, no matter the airflow resistance, ensuring consistent performance even in the most demanding conditions.
You can buy the Noctua NF-A14x25 and NF-A14x25r dual-packs for around $89.95 from the Amazon online store:
- NF-A14x25r G2 – https://amzn.to/4giyWrt
- NF-A14x25 G2 – https://amzn.to/47BDLKf
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