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Noctua NH-C12P - predsjedničko hlađenje
01.04.2009.
    « Prev  : Stranica 1 od 4 :  Next »      By ::  Denis Arunović 
- NH-C12P -
Prošlo je već nekoliko mjeseci otkada smo se imali prilike iskušati nove Intelove Core i7 procesore. I premda su nas očarale njihove odlične performanse, teško je bilo previdjeti da se doista puno griju. Intel je stoga u kit za testiranje procesora ubacio i odličan Thermalrightov hladnjak, pa sa stabilnošću čak i kada smo overclockirali nije bilo problema. Kasnije, kad smo kit zajedno s Thermalrightovom zvjerčicom morali proslijediti dalje, se nažalost pokazalo da naći odgovarajući hladnjak za Core i7 procesor nije baš lako. Tu u priču ulaze naši prijatelji iz austrijske tvrtke Noctua koji su nas riješili muka i poslali nam jedan od svojih hladnjaka u paketu s mehanizmom za montažu na LGA1366 procesore. Koliko nam se je svidjela Noctua NH-C12P, pročitajte u ostatku članka.

Klasično Noctua pakiranje - 0 promila kiča

Kao i svi Noctuini hladnjaci i NH-C12P se isporučuje u relativno neuglednoj smeđe-plavo-crnoj kutiji koja jednim dijelom otkriva i što se nalazi u njenoj unutrašnjosti. Autor ovih redaka jednostavno je presretan kada u danšanje vrijeme naleti na "normalan" dizajn pakiranja, bez šarenih boja, promidžbenih slogana namijenjenih gejmerzima i overclockerzima.

Sva je oprema za montažu na različite sockete uredno odvojena u plastične vrećice s etiketama

U kutiji nalazimo tijelo hladnjaka, golemi 120-milimetarski ventilator NF-P12, priručnik za uporabu, odnosno instalaciju hladnjaka te tri vrećice uredno označene što ceduljicama s opisom, što s bojama. U vrećici koja je označena plavom bojom nalazi se mehanizam za montažu hladnjaka na LGA775 procesore, u zelenoj pak mehanizam za montažu na Socket AM2/AM3 procesore, a u bijeloj ostatak opreme koji je univerzalan za sve platforme. U potonjoj se vrećici nalaze žičani fiksatori za ventilator, dva tro-pinska adaptera za ventilator, vijci te prilično velika tubica NT-H1, Noctuine termovodljive paste.

Ventilator vam nije dovoljno tih - Noctua i za to ima rješenja

Spomenuti adapteri za ventilator imaju vrlo specifičnu svrhu, a to je smanjivanje brzine ventilatora. Naime, oni su opremljeni s otpornicima koji kradu dio električne energije kojom se ventilator napaja, pa se samim time ventilator i sporije vrti. NF-P12 bez adaptera vrti se na brzini od 1.300 okretaja po minuti, s crnim adapterom brzina se sputa na 1.100 rpm (revolutions per minute - okretaja po minuti), a s plavim na 900 rpm. U teoriji je adaptere moguće spojiti jedan na drugi i time postići i još manju brzinu, no za to zaista nema potrebe.

 

Konstrukcija

Premda se to na slikama ne vidi, tijelo NH-C12P hladnjaka je načinjeno od kombinacije bakra i alumnija. Od bakra su načinjeni baza i šest toplovodnih cijevi, dok je ostatak tijela napravljen od jeftinijeg i lakšeg aluminija. Razlog zatšo to nije moguće znati bez zavirivanja u specifikacije je jednostavan - cijelo je tijelo hladnjaka na kraju presvučeno niklom što osigurava zaštitu od oksidiranja i mehaničkih otšećenja (nikal je istovremeno manje reaktivan i tvrđi od aluminija i bakra).

Za razliku od mnogih hladnjaka visokih performansi koji su napravljeni u obliku tornjeva, NH-C12P oblikovan je više u širinu nego u visinu. Iz istog razloga krajevi toplovodnih cijevi koje provode toplinu s baze na aluminijske finove ne gledaju u zrak već u stranu, a priloženi ventilator puše prema bazi hladnjaka odnosno matičnoj ploči.

Gumena trakica smanjit će vibracije ventilatora

Noctuini proizvodi spečificni su po svojim performansama, ali i tihom radu. Jedan od glavnih razloga za ovakvu kombinaciju značajki je to to tvrtkini inženjeri pridaju veliku pažnju detaljima. Odličan primjer za to je gumena trakica s gornje fotke koja se postavlja na rubove hladnjaka i na koju potom naliježe ventilator.

NF-P12 ventilator specifican je po vrlo tihom radu

Kao to smo već rekli, s NH-C12P isporučuje se 120-milimetarski Noctuin ventilator NF-P12. Standardna brzina vrtnje ventilatora je 1.300 rpm, a maksimalnu brzinu moguće je pomoću priloženih adaptera spustiti na 1.100 odnosno 900 rpm. NF-P12 je bez sumnje jedan od, ako ne i najtiši ventilator kojeg smo imali prilike isprobati što treba zahvaliti tehnologijama Vertex-Control Notches (specijalni zarezi na krajevima lopatica ventilatora koji raspršuju buku na širi raspon frekvencija, ali s manjom valnom amplitudom), SCD drive system (sistem koji omogućava finije i kontinuiranije prenošenje sile sa statora na rotor ventilatora što dakako smanjuje buku i vibracije) i na kraju SSO-bearing (ležaj ventilatora ispunjen je uljem i dodatno stabiliziranim magnetom).



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