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SSO2

The self-stabilising oil-pressure bearing (SSO-Bearing) system has always been at the heart of Noctua’s award-winning premium fans. Silent enthusiasts and industry clients alike swear by its proven, time-tested quality. SSO combines the proven concept of oil-based hydrodynamic bearings with an additional magnet that supports the self-stabilisation of the rotor axis. Due to the axis being stabilised by the magnetic field, Noctua’s SSO Bearing achieves higher precision and better longevity than conventional ball-, sleeve- or hydrodynamic bearings.


SSO2


SSO2 is the further optimised second generation of SSO. Made possible by the use of metal bearing shells and new injection moulding techniques, the magnet is now placed closer to the rotor axis and thus exerts higher magnetic force to it. This results in even better stabilisation, precision and durability.





Noctua
30.06.2015 - Play3r.net NH-D15S
Test verdict: "The bottom line is that the Noctua NH-D15S is a solid performer, as well as offering fantastic compatibility which is aimed to “help” enthusiasts and consumers with large memory heatsinks, as well as PCIe slots;" (Gavin Bonshor, Play3r.net)
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30.06.2015 - DVTests.com NF-S12B redux-1200 PWM
Test verdict: "With this airflow and static pressure measured through the tests, the fan is definitely capable to deliver astonishing cooling performance, which will be able to keep every processor cool and stable, while being cooled by a CPU cooler or water radiator compatible with 120 mm fans." (Dobrin Krastev, DVTests.com)
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30.06.2015 - Deep in IT NH-D15S
Test verdict: "Noctua NH-D15S je vynikajícím chladičem pro overclockery a příznivce pasivního chlazení. Za vylepšení v konstrukci a odstranění tak trochu nadbytečného druhého ventilátoru, což vyústilo v příznivější cenu, udělujeme stříbrné ocenění." (David Ježek, Deep in IT)
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29.06.2015 - Always More Digital NH-D15S
Test verdict: "Компания Noctua продолжает работу по улучшению своих продуктов, стремясь удовлетворить все запросы пользователей и улучшить совместимость даже таких больших кулеров, как Noctua NH серии D – одним из таких является кулер Noctua NH-D15S, который может стать привлекательной покупкой, для тех, кто не желает экономить на качестве и эффективности охлаждения." (Zastavnoy Mikhail Ivanovitch, Always More Digital)
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