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Noctua NH-U9 i NH-U12 - alpsko hlađenje
17.06.2006.
    « Prev  : Stranica 2 od 6 :  Next »      By ::  Krešimir Matanović 
- Noctua NH-U9 -

NH-U9 je tipičan "tower" hladnjak koji koristi sve prednosti aluminija, bakra i toplinskih cijevi za svoju misiju koja je što bolje odvođenje topline sa procesora u okolni prostor. Tijelo hladnjaka je sastavljeno od 38 aluminijskih listova ukupne površine 3800 cm2, koji su zalemljeni za četiri bakrene toplovodne cijevi koje čine slovo "U". Na svome dnu su cijevi polegnute u utore bakrene baze i za nju pričvršćene bakrenom pločicom kako bi kontaktna površina bila što veća. Čitava ova konstrukcija teži 570 grama. Visina hladnjaka je 128 mm, širina 95 mm, a dužina 70 mm. Ako na hladnjak pričvrstimo dva (koliko maksimalno prima i sa koliko smo vršili testiranja) 92mm ventilatora tada mu ukupna dužina raste na čak 120mm.

Toranj visine 128mm

Noctua je mala firma i ne može si dopustiti ništa lošije od savršenstva ako žele uspjeti na tržištu. Koji god dio hladnjaka pogledamo vidimo kako je napravljen sa iznimnom pažnjom i preciznošću. Šlampavosti i lošoj završnoj obradi tu jednostavno nema mjesta. Po svemu se vidi kako je ovo high-end hladnjak i kako može parirati najboljima.

NH-U9 naglavačke

NH-U9 nije dizajniran kako bi radio bez ventilatora, no kako ćete u testovima vidjeti i taj posao može solidno odraditi. naravno ako je riječ o procesoru koji nije overclockiran. Sa NH-U9 (kao i većim modelom), možete hladiti procesore koji se montiraju na s478, LGA775, s754, s939 i s940, dakle kao i većina coolera na tržištu prilično je univerzalan.

U punoj ratnoj spremi

Kao što smo prije rekli ventilatori su Coolinkovi, dimenzija 92x92x25mm i odlikuju se tišinom u radu. Maksimalan broj okretaja im je 1850 RPM kada su ipak nešto bučniji, ali sa priloženim potenciometrom (6-13V) to možemo reducirati na svega 1100RPM i znatno smanjiti buku. Proizvođač navodi podatke od 12-22dB/A no po našem subjektivnom dojmu to je ipak nešto više na maksimalnom broju okretaja, no ipak ne i prebučno. Protok zraka je između 42 i 64 m3/h, dok je snaga ventilatora 0.84W. Na test smo dobili i 80x80x25mm ventilator koji se vrti na maksimalnih 2000RPM i proizvodi nešto veću buku, no njega nismo testirali jer nismo dobili odgovarajuće kopče za montažu - uz hladnjak su bile priložene samo one za 92mm ventilatore. Inače ovi Coolinkovi solidno odrađuju i posao ventilatora za kućište, a pogotovo ako želite tiho računalo. Uz sve ventilatore ćete dobiti i potenciometre koji se montiraju na priložene PCI brackete te ste time sami u mogućnosti odrediti brzinu njihove vrtnje.

Sve iz pakiranja

U odličnom pakiranju, osim kitova za montažu na sockete dobit će te i termalnu pastu (silikonsku), izvrstan priručnik u obliku malene knjižice, silikonske ljepljive trake, te kopče za 92 mm ventilatore. Spomenute silikonske ljepljive trake se lijepe na stjenke ventilatora kako bi osigurale mekanu kontaktnu površinu između hladnjaka i ventilatora i time reducirale buku.



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