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Scythe Musashi - oštrica mača
26.09.2008.
    « Prev  : Stranica 1 od 3 :  Next »      By ::  Krešimir Matanović 
- Uvod i Musashi -
Iz Scythea nam je na test stigao njihov novi hladnjak za grafičke kartice imena Musashi. Hladnjak je namijenjen ugradnji na AMD-ove i Nvidijine grafičke kartice, a iz dosadašnjih iskustava znamo kako će potrebniji biti AMD-ovim. HD4870 i HD4850 kartice se dosta zagrijavaju i njihovi referentni hladnjaci su relativno neučinkoviti. To je tako u prvom redu zbog niske brzine ventilatora koji su u njih ugrađeni. Ukoliko se korisnik pak odluči sam povisiti brzine to u pravilu rezultira povišenom bukom. Tada na scenu stupaju aftermarket hladnjaci raznih proizvođača koji se hvale visokom učinkovitošću i niskom razinom buke u radu. Kakvim se pokazao ovaj Scytheov prozvod i da li je zadovoljio navedene kriterije saznajte iz daljnjeg teksta.

 

Musashi

Vjerujemo kako je ovaj hladnjak svoje ime dobio po poznatom japanskom mačevaocu Miyamotu Musashiju koji je živio u 16. i 17. stoljeću. Musashi je postao legenda zbog iznimne vještine rukovanja mačem te po mnogim duelima u kojima je sudjelovao. Da li će ovaj Scytheov proizvod opravdati legendarno ime ostaje nam za vidjeti.

Hladnjak je upakiran u šarenu kartonsku kutiju spremnu za postavljanje na štangicu u neki prodajni prostor. Na kutiji se nalaze sve relevantne informacije o proizvodu kao i lista grafičkih kartica sa kojima je kompatibilan. Ta lista je poduža pa ćemo Vam u kraćim crtama pokušati napisati na što ga sve možete montirati. Sa AMD/ATi strane podržane su kartice iz serija X1xxx, HD2xxx, HD3xxx te HD4xxx (kao i neki stariji modeli), dok su sa Nvidija strane podržane FX5900, serija 6, 7, 8 i 9. Od najnovijih podržane nisu jedino GTX200 kartice. Naravno X2 modeli kod AMD-a te GX2 modeli kod Nvidije također nisu podržani.

Musashi se sastoji od poniklane aluminijske baze u kojoj se sastaju dvije bakrene toplovodne cijevi promjera 6 mm. Jedna cijev je kao što vidite na slici kraća, a druga duža. Na njih su montirani (zalemljeni) aluminijski listovi koji povećavaju površinu za disipaciju topline koju do njih dovode toplovodne cijevi. Kako bi toplina što lakše bila prenešena u okolinu aluminijski su listovi vrlo tanki. Sa gornje strane baze se nalazi još jedan aluminijski blok koji također ima ulogu preuzimanja veće količine topline. Dimenzije kompletnog hladnjaka su 250 x 104 x 35 mm (DxŠxV), a masa je 375g. Čitava konstrukcija je prisilno hlađena dvama nisko profilnim ventilatorima kojima brzinu vrtnje reguliramo sami pomoću potenciometara montiranih na bracket. Ventilatori su dimenzija 100 x 100 x 12 mm (DxŠxV), a brzina vrtnje im se kreće između 800 i 2000 okretaja u minuti uz protok zraka između 11.45 i 27.60 CFM. Buka koju pri tom proizvode se kreće između 12.5 i 29.22dBA (tvornički podaci). Ventilatori se na ploču spajaju zasebno, pomoću tro-pinskih konektora, a moguća je i konverzija na klasične Molex konektore.

Kao što smo rekli baza je poniklana, tako da je vrlo glatka i ne zahtjeva dodatnu obradu. Ipak baza, kao što ćete vidjeti kasnije nije prva dodirna točka sa GPU-om. Razlog svestranosti ovog hladnjaka možete vidjeti na pločicama vezanim uz bazu. Sve ove rupe odgovaraju rupama na pojedinim grafičkim karticama te je zbog toga popis kompatibilnosti Musashija poduži.

Bracket koji montiramo na PCI utor u kućištu na sebi ima dva potenciometra tako da brzinu vrtnje možemo odrediti zasebno svakom od ventilatora. Mi smo izmjerili kako je minimalni broj okretaja u minuti 857, a maksimalni 2071. Dakle, vrlo blizu onome što obećava proizvođač.

Kako bi i ostali elementi koji se griju (memorijski čipovi, regulatori napona itd.) ne bi ostali prikraćeni, tu su pasivni aluminijski blokovi koje možemo zalijepiti na svaki od elemenata. Ovisno o grafičkoj kartici ima ih raznih veličina i oblika a ukupno ih je 23. Svaki blok sa donje strane ima ljepljivu traku što svakako olakšava posao montaže.

Pribor za montažu hladnjaka se sastoji od četiri vijka, četiri matice, ploče koja ima identičan raspored rupa kao i baza hladnjaka, bakrene pločice koja se montira između GPU-a i baze te termalne paste. Korisničke upute su vrlo detaljne sa upozorenjem da obavezno prilikom skidanja originalnog hladnjaka pogledate koji su svi elementi hlađeni istim kako bi ispravno polijepili aluminijske blokove.



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