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Noctua NF-S12-800 i NF-S12-1200 ventilatori
29.10.2006.
    « Prev  : Stranica 1 od 2 :  Next »      By ::  Dean Narandžić 
- Uvod i tehnologije -

noctua_nf_s12_package

Retail pakiranje u kojem su ventilatori stigli

Iz Noctue smo na test dobili nekoliko komponenti prije svega namijenjenih računalnim zaljubljenicima koji žele utišati svoje ljubimce, a da pri tome ne moraju raditi ustupke performansama, odnosno efikasnosti hlađenja. U ovom tekstu pozabaviti ćemo se ventilatorima, a radi se o dva modela jednakih dimenzija (120x120x25 mm), no zbog različite brzine vrtnje ponešto drugačijim tehničkim karakteristikama. Sami ventilatori dolaze u simpatičnom retail pakiranju, koje sadrži i solidnu količinu dodatne opreme: vijke i zamjenske gumene tiple koji smanjuju prenošenje vibracija na kućište, a time i buku, zatim prilagodnik za napajanje koji omogućuje spajanje na uobičajene 4-pinske Molex konektore (ventilatori se originalno priključuju na 3-pinske konektore na matičnoj ploči), te U.L.N.A. adapter. Ne znate što znači skraćenica U.L.N.A.? Bez brige, nismo ni mi dok nismo detaljnije proučili pakiranje - U.L.N.A. dolazi od Ultra-Low-Noise Adaptor, a zapravo je samo fancy ime za sklop koji ograničava napon napajanja ventilatora radi smanjenja broja okretaja i buke (za razliku od uobičajenog otpornika, po dimenzijama bi rekli da je ovaj put korištena Zener dioda).

noctua_nf_s12_color

Sami ventilatori su uobičajenih dimenzija i neuobičajene boje

Da ne nabrajamo detaljne tehničke karakteristike, potražite ih u tablici uz tekst, a mi ćemo se pozabaviti dojmovima koje su ovi ventilatori ostavili na nas u radu. Prije svega spomenimo po čemu se oba modela razlikuju od konkurencije - osim neuobičajene smeđe-bijele kombinacije boje koju do sada nismo imali prilike vidjeti, Noctua se hvali da je u ovoj seriji ventilatora koristila posebno dizajniran rotor (posebice geometrija krilaca), a koji bi trebao smanjiti buku za cca. 10% u odnosu na klasičan dizajn. Dodatnu težinu ovoj tvrdnji trebalo bi dati zvučno ime institucije koja je sam dizajn osmislila - Österreichischen Institut für Wärmeübertragung und Ventilatorentechnik (ÖIWV), odnosno Austrijski institut za istraživanje prijenosa topline i tehnologije izrade ventilatora. Ne vjerujete da takvo što postoji? Uvjerite se i sami na adresi www.oeiwv.co.at. Dodatno smanjenje buke bi trebao osigurati i poseban SSO ovjes (magnetno centriran, samo-podmazujući i što sve već ne). Navedene tvrdnje ćemo uzeti uz određenu dozu opreza, a ono što ipak zvuči opipljivije je 6 godina tvorničke garancije na oba modela; za svaku pohvalu. Drago nam je i da oba ventilatora dolaze sa cable sleeve omotačem što dosta pridonosi ukupnom dojmu kvalitetno napravljenog proizvoda.

 

NF-S12-800

NF-S12-1200

RPM (sa U.L.N.A. adapterom)

800 rpm (500 rpm)

1200 rpm (600 rpm)

Protok (sa U.L.N.A. adapterom)

59 m³h (34 m³h)

81 m³h (41 m³h)

Buka (sa U.L.N.A. adapterom)

8 dBA (< 5 dBA)

17 dBA (< 6 dBA)

Snaga / Struja

0,60 W / 0,06 A

1,44W / 0,12 A

Radni napon

6 - 13 V

4 - 13 V

Tehničke karakteristike ventilatora



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