Is this PSU Good enough for 770' sli ?

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^ Not powerful enough. Lacking 12v amps.

You will need a high end 750w unit to have 62 amps. 62 amps is 744 watts and generally only really good units have all their power supplied on the 12v rail. The OCZ unit is fine on quality but you would need the 850w model.

850 watts is recommended for GTX 770 Sli.

http://www.realhardtechx.com/index_archivos/Page362.htm
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loc chuong

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Jul 17, 2013
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You might need 850W. I haven't ever done SLI myself just cuz not all games support it
 
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Deleted member 217926

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Incorrect. A system with a GTX 770 needs 42 amps. When factoring in a second card you do not have to add a second of everything else.
 
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samerabuissa

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Aug 3, 2013
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I am buying from russia its cheapest solution here and yes I am on a budget ... so from your answers guys you say this psu isn't good enough ?
 
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Deleted member 217926

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No it's not good enough or powerful eough. Stick with Corsair, Seasonic, PC Power and Cooling, XFX, Silverstone, Enermax, OCZ, Antec or the high efficiency Rosewill units for quality. 750 watts/62 amps on the 12v rail minimum.
 
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samerabuissa

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Aug 3, 2013
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.. I saw an ocz a 750 watt but the proplem it has 54amps on the 12v rail .. so not recommened right ...the model is ocz zs ? thanks in advance btw
 
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Dark Lord of Tech

Dark Lord of Tech

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Aug 18, 2009
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The ZS AND ZT series are decent.BUY IT!

Tier 2 Brands - Top Quality components With Top Notch Stability - For Those With Price/Availability Issues With Tier 1

Antec Neo HE
Antec High Current Gamer Series
Antec EarthWatts greater than 700 watt
Antec TruePower Trio
Antec TruePower Quattro
Antec TruePower New -- 750w
Akasa PowerGreen 80+
CoolMax CTG-750 watt/850 watt/1000 watt
Cooler Master Ultimate/UCP
Cooltek CT
Corsair GS600 / GS800
Corsair HX
Corsair TX
Corsair VX
Cougar SX700 and GX700
Enermax Liberty
Enermax Infiniti
Enermax MaxRevo 1350
Enermax MODU82+
Enermax Platimax (600, 750, 850, 1.2K)
Enermax PRO82+
Enermax PRO87+ (500w + 700w)
Enermax Triathlor (550, 650, 700)
Enhance ENP-GH
Fortron (FSP) GLN
Hale82-m 650-750w
iStarUSA PD2
iStarUSA PD3
LEPA G500
OCZ EliteXStream
OCZ Fatal1ty
OCZ GameXStream less than 1000 watt (only if manufactured in December 2007 or later)
OCZ StealthXStream 400 watt
OCZ StealthXStream 2 greater than 700 watt
OCZ Modstream (only if manufactured in December 2007 or later)
OCZ EvoStream
OCZ ProXStream
OCZ Z(t)(s) Series Less than 1000W<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
OCZ ZX 850w
PC P&C Silencer less than 610 watt
PC P&C Silencer MkII
Rosewill Capstone (450, 750)
Rosewill Hive (550, 650)
Seasonic G series
Seasonic S12
Seasonic M12
Seasonic Energy Plus
Sentey Golden Steel Power 850w
SevenTeam ST less than 600 watt
Silverstone OP/DA 700 watt or less
Supermicro/AbleCom
Thermaltake Toughpower greater than 600 watt
Thortech Thunderbolt Plus 800w
Topower Powerbird 900w
Xclio StablePower
XFX Core Edition
Xigmatek MC
Xigmatek HC
Ultra X3
Ultra X-Pro
Zalman ZM less than 1000 watt


 
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Deleted member 217926

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^ Not powerful enough. Lacking 12v amps.

You will need a high end 750w unit to have 62 amps. 62 amps is 744 watts and generally only really good units have all their power supplied on the 12v rail. The OCZ unit is fine on quality but you would need the 850w model.

850 watts is recommended for GTX 770 Sli.

http://www.realhardtechx.com/index_archivos/Page362.htm
 
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Solution
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samerabuissa

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Aug 3, 2013
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what about the amps in that psu they are not enough ?

 
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Deleted member 217926

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I wish someone would keep that list updated. I use it as well but there are some bad errors. The Seasonic G series needs to be tier 1. The last model got a 9.7 from jonnyguru. Voltage regulation, ripple and noise are all excellent.
 
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samerabuissa

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Aug 3, 2013
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alright then so 62 amps 750 watts altealst I found a model that have those specs its corsair cx 750 it does have 62 amps on the 12v rail ... best answers are from you so far you thanks
 
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Deleted member 217926

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Yeah but there are some things like the PC Power and Cooling Silencer MK III that have never been added and it's several years old. It should be Tier 2.
 
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Deleted member 217926

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You are going to hate me for this but if you can find another model do so. The Corsair CX series is a budget line and I do not recommended them for high power systems. They use cheap Chinese made capacitors where as better units use all solid Japanese caps. The CX series falls in tier 3 on that list.
 
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Deleted member 217926

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Yep, great quality and they look cool as well. Very few white units out there.
 
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Deleted member 217926

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In a lower power system the CX series is fine. It is what it is, a good budget power supply. Up to an HD 7850/7870 or GTX 660/660 Ti they are fine. But when you stress them they die early. There are threads on the badcaps forums devoted to how bad they are.

I sure would not use it in this case where it's just meeting the minimum amp requirements.
 
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samerabuissa

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Aug 3, 2013
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dude It's So hard to choose a proper psu you must have a lot knowladge btw ... so I think i will aviod cx model there is the ocz fitalaty 750w I dont know about it much so if you know if it have enough amps i would be grateful to you
 
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