Products | Technologies | Support | Press | Reviews | Where To Buy
Home



Stepped Inlet Design

Noctua’s Stepped Inlet Design is an advanced aerodynamic design measure first introduced with the NF-F12 fan. By adding turbulence to the fan’s influx, the Stepped Inlet Design facilitates the transition from laminar to turbulent flow. This measure has an effect similar to the dimple structure of a golf ball in so far as it leads to better flow attachment to the frame, which allows the impeller to suck in more air and hence improves overall airflow efficiency.


Stepped Inlet Design


In addition to these aerodynamic benefits, the Stepped Inlet Design also reduces tonal intake noises caused by laminar inflow due to it being transformed to turbulent flow, which produces a more broadband noise profile. This way, the Stepped Inlet Design helps to refine the fan’s acoustic qualities by letting it blend into the background noise more easily and making it more agreeable to the human ear.


Noctua
22.11.2014 - TechSupportForum.com NF-A4x10 5V
Test verdict: "In the end, the NF-A4x10, NF-A8 and NF-A9 fans comply with Noctua’s Premium Fan statement. Backed by an outstanding six year warranty, these fans should last a computer’s life time without you needing to replace them. With pricing starting at $18.95 for the NF-A8, $19.99 for the NF-A9, and $23.99 for the NF-A4x10, you can’t go wrong buying these fans." (Justin Vendette, TechSupportForum.com)
Submit

21.11.2014 - OCDrift.com NH-D15
Test verdict: "There’s no doubting that the Noctua NH-D15 is a very decent air cooler. Noctua improved the shortcomings of the old flagship cooler NH-D14 by expanding the dual tower design and offer a much better memory compatibility, which allows for more memory kits with high-profile heatspreader to sit under the heatsink. The build quality is excellent with the heatsink’s aluminium fins soldered nicely onto the heatpipes. The SecuFirm2 mounting kit makes cooler installation easier and more secured." (Kevin Owi Kheng Him, OCDrift.com)
Submit

21.11.2014 - 59hardware.net NH-U14S
Test verdict: "Il est tout d’abord apparu que le NH-U14S est un ventirad très bien conçu et qui doit être produit selon des canons très stricts, c’est tout du moins l’impression qu’on a en considérant sa qualité de fabrication générale. Puis, la phase de montage s’est montrée aussi facile que dans le cas des autres ventirads Noctua (et pour cause) et relativement rapide. Quant aux performances en refroidissement, elles sont, comme toujours pour l’instant chez Noctua (après trois tests plus que concluants), elles sont au-dessus de la mêlée et le tout dans un silence plus que relatif, à la hauteur de la réputation que le constructeur s’est patiemment forgée au fil des années." (Laurent Dessinguez, 59hardware.net)
Submit