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Old 03-01-2008, 01:43   #1 (permalink)
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REVIEW: ZEROtherm VGA Coolers

In sfarsit, dupa o lunga asteptare, coolerele ZEROtherm au devenit disponibile si in Romania. Sincer sa fiu cand am auzit de firma asta si mi-am aruncat fugitiv ochii pe produse n-am fost entuziasmat si nu ma asteptam la cine stie ce revelatie. Prin amabilitatea importatorului oficial, Soliton Computers, am avut ocazia sa fac un round-up care sa cuprinda 2 modele de la ZEROtherm (varful de gama ZEROtherm HC92 Cu 8800 si mezinul ZEROtherm GX810) prin comparatie cu Zalman VF900CU, un cooler foarte performant.

Sa incep cu prezentarea competitorilor:

1. ZEROtherm GX810 specifications:

Dimension: 116(L) x 100(W) x 32(H) mm
Weight: 188g (Without components)
Heatsink Material:
- Fin: Pure Copper
- Base: Pure Copper
- Heatpipe: Pure Copper
- Memory Heatsink: Aluminum
Fan Size: 70 X 15mm with LED
Fan Speed: 900 ~ 2,500 rpm
Fan Control: Automatic Controlled by Temperature Sensor (Thermistor)
Acoustic Noise: 17.0 ~ 29.9 dBA
Bearing Type: UFO Bearing
Rated Voltage: 5.0 ~ 12.0 VDC
Life Expectance: 40,000 hours
Airflow Rate: Max. 9.3 CFM
Fan Connector: 3 pin

Este un cooler extrem de aspectuos pe care la prima vedere nu-l creditam cu
nici o sansa in fata lui Zalman VF900CU . Dupa ce am vazut rezultatul am inceput sa caut explicatii pentru performanta sa surprinzatoare. Ideea de baza este ca GX810 are un ventilator centrifugal care arunca aerul in exterior. In plus are un singur heatpipe mai gros si mai multa suprafata de disipare. Acest lucru ii confera o performanta excelenta.

Ventilatorul este controlat de un termistor fiind extrem de tacut (doar in full load am putut sa-l sesizez - pe o platforma open air ). Astfel se explica temperatura ceva mai ridicata in IDLE.

Cooler-ul este usor de montat, are o calitate a constructiei ireprosabila (baza este dreapta si prezinta un mirror finish in care poti sa te barbieresti ). Este compatibil cu toate placile video la ora actuale (inafara de 8800GTX/Ultra din cauza radiatoarelor suplimentare lipsa). In pachet mai gasim 8 radiatoare pentru memorii, pasta termoconductoare, manual de instructiuni si 2 seturi de suruburi (tool-free si un set low-profile pentru montare in configuratii SLI/CrossFire).

Concluzia mea este ca la banii astia il declar best-buy garantat tinand cont de performanta si calitatea excelenta aratata !

2. ZEROtherm HC92 Cu 8800 specifications:

Dimensions: 169.7 X 97.1 X 54.4 mm (6.7 X 3.8 X 2.1 inch)
Weight: 372 g (Without Components)
Materials:
- Base: Pure Copper
- Heat pipe: Pure Copper
- Fin: Pure Copper
- Memory Heatsink: Aluminum
Fan Size: 92 X 25 mm (3.6 X 1.0 inch) With 3 Blue LEDs
Fan Speed: 1,500 ~ 3,300 rpm
Acoustic Noise: 19 ~ 40 dBA
Bearing Type: UFO Bearing
Operating Voltage: 5.0 ~ 12.0 VDC
Life Expectance: 40,000 Hours
Max. Airflow Rate: 26.8 ~ 57.7 CFM
Fan Connector: 3 Pin

Acest cooler este un adevarat monstru, atat prin greutate si dimensiuni cat si prin performanta aratata. Este pur si simplu, la ora actuala, cel mai bun cooler pentru VGA. Este compatibil cu toate placile video, inclusiv 8800GTS/GTX/Ultra pentru care vine cu un set de radiatoare pentru chipul VIO cat si pentru VRM-uri.

Vine in pachet cu un controller de turatie pentru fan-ul de 92mm inclus. Poate fi folosit, dupa cum spune producatorul, in 3 moduri: fanless, aerodinamic si overclocking. Fanless nu am incercat (nu e genul meu ) dar in schimb am testat celelalte 2 moduri. Modul overclocking, adica cu masca de plastic (shroud) scoasa este bestial prin prisma performantei si silentiozitatii.

Coolerul este complet din cupru, are 4 heatpipe-uri groase si, bineinteles, prezinta aceeasi constructie extrem de ingrijita. Coolerul este inclinat spre spatele placii video, astfel airflow-ul indreptandu-se spre VRM-uri (nu doar spre memorii ca la aproape toate coolerele prezente pe piata).

Ventilatorul este silent cam pana pe la 6-7v dupa care devine zgomotos, dar si airflow-ul devine considerabil !

Coolerul este, dupa parerea mea, solutia potrivita pentru cine vrea performanta fara compromisuri, cat si posesorii de 8800GTS/GTX/Ultra care cauta ceva mai bun decat racirea stock.

Modalitatea de testare:

Coolerele au fost montate pe o placa video eVGA 8800GT KO (675/1950) cu voltaj 1.1v in GPU. Temperatura IDLE a fost masurata cu GPU Caps Viewer dupa 10 minute de inactivitate, iar temperatura de LOAD a fost masurata cu acelasi program dupa 10min de rulat Fur (incinge cel mai tare GPU din ce-am testat eu). Temperatura ambientala a fost de ~21 grade C.

Acum va las sa vedeti poze cu cele 2 coolere, cat si rezultatele (suprinzatoare pe alocuri) ale testului !

La Multi Ani!
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Old 03-01-2008, 01:44   #2 (permalink)
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Old 03-01-2008, 01:45   #3 (permalink)
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Old 03-01-2008, 01:45   #4 (permalink)
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Old 03-01-2008, 01:55   #5 (permalink)
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face Catalin ce face si aduce numai "dulciuri"
frumos review,ceva preturi informative de la importator?
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Old 03-01-2008, 01:58   #6 (permalink)
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Interesante produsele si felicitari pentru prezentare. Ce pot sa spun, temperatura de la HC92 @ 5V (fara masca) este chiar buna.
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Old 03-01-2008, 02:05   #7 (permalink)
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Originally Posted by cristi_tnt View Post
frumos review,ceva preturi informative de la importator?
Mersi de aprecieri!

Pentru preturi dati clic pe numele produselor care sunt subliniate mai sus !
 
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Old 03-01-2008, 16:47   #8 (permalink)
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Super tare review-ul.Dar poate ca era interesant un test comparativ cu asta : Thermalright HR-03 GT.

Mai mult se pare ca TH are tempereturi mai bune decat ZT.Detalii aici
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Old 03-01-2008, 17:01   #9 (permalink)
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Daca iau si eu o bucata, se monteaza usor pe un GTX?
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Old 03-01-2008, 19:29   #10 (permalink)
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Dap, sigur! Daca nu te descurci, te pot ajuta eu sau baietii de la Soliton !

@enderlabs: Nu am avut de unde sa fac rost de un HR-03 GT, dar oricum in testele dupa net eu nu mai am incredere mai ales dupa ce am vazut teste unde VF900CU era peste GX810 !
 
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Old 03-01-2008, 19:44   #11 (permalink)
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Si ce recomanzi HC92 sau GX810? Totusi e cam scump.

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Old 03-01-2008, 20:18   #12 (permalink)
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Pentru 8800GTX recomand HC92, mai ales ca are incluse in pachet toate radiatoarele necesare si e si extrem de performant ! Pretul e destul de ok tinand cont de performanta cat si de solutiile similare existente (VF1000 care e mai slab + setul de radiatoare e ~240RON).
 
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Old 03-01-2008, 22:32   #13 (permalink)
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Maine sun la baietii de la Elsaco pentru Thermaltake si daca nu-l au o sa iau modelul HC92 8800 Cu pentru o placa 8800GT. Este pe stoc ? Ai idee ?
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Old 03-01-2008, 23:08   #14 (permalink)
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Dap, sunt o groaza de bucati !
 
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Old 03-01-2008, 23:26   #15 (permalink)
 
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Originally Posted by enderlabs View Post
Maine sun la baietii de la Elsaco pentru Thermaltake si daca nu-l au o sa iau modelul HC92 8800 Cu pentru o placa 8800GT. Este pe stoc ? Ai idee ?
Elsaco incepe de Luni ! Sunt in concediu .
 
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Old 03-01-2008, 23:45   #16 (permalink)
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Dap, sunt o groaza de bucati !
Good !


Quote:
Elsaco incepe de Luni ! Sunt in concediu .


Bad !
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Old 09-01-2008, 20:45   #17 (permalink)
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Coolerele prezentate au aparut si la MediaDot la super preturi !

ZEROtherm GX810
ZEROtherm Hurricane HC92 Cu 8800
 
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Old 09-01-2008, 22:48   #18 (permalink)
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Coolerele prezentate au aparut si la MediaDot la super preturi !

ZEROtherm GX810
ZEROtherm Hurricane HC92 Cu 8800
Din pacate/fericire maine imi vine comanda de la Elsaco. Asa ca m-am hotarat la DuOrb din urmatoarele motive :
- ocupa un singur slot (nu trei)
- am citit un review destul de interesant care clasa DuOrb-ul ca performante in fata unui Huricane HC92 cu vent-ul setat pe low. Ce e drept cu ventul setat pe High HC92 era mai bun.
- este mai silentios decat HC92 pe high (acelasi review)
- este mai ieftin (aprximativ 500,000)

Un alt motiv ar fi ca de la MediaDot, doar gratis as lua. In rest am avut atatea intamplari nefericite cu ei, incat incerc sa-mi metin distanta.
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Old 09-01-2008, 23:08   #19 (permalink)
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nu cred ca ocupa 3 sloturi

oricum,a aparut un nou cooler high-end,care pare sa fie cel mai bun absolut
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Old 09-01-2008, 23:45   #20 (permalink)
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Doar pt silentiozitate(si temp mici desigur) pt un 8800gts640 ce-mi recomandati ?
Este safe racirea schimbata pe o asa placa? Nu mai are si alte locuri unde se incalzeste puternic inafar de chip ?
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