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Which is suitable psu for me

Last response: in Components
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March 28, 2010 4:31:06 PM

Hello,
available to me these psu:

PC Power & Cooling Silencer 750W
ANTEC TPQ-850W
OCZ GameXStream 850W

what is the best among them (and for future upgrade) ?

thanks

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a c 165 ) Power supply
March 28, 2010 4:35:07 PM

PC Power & Cooling Silencer 750W
but i own a PC P&C silencer model so I may be a little biased

the Antec is also a very good PSU, and the OCZ may come in 3rd but still a solid model none the less.

As for future upgrades, what are you planning? CF/SLI certain cards?
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a c 248 ) Power supply
March 28, 2010 4:43:55 PM

^5 +1 what ct1615 said.

The PC Power & Cooling Silencer 750 watt power supply was one the best psu's ever offered by the company. The Silencer models were manufactured by Seasonic for PCP&P. Seasonic is a power supply manufacturer that has a reputation for high quality power supplies.
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March 28, 2010 6:52:33 PM

I am planing for SLI for 470 gtx so still go for PCP&P or antec 850 w?

thanks
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a c 165 ) Power supply
March 28, 2010 7:02:00 PM

PC P&P will peak above its 750w continuous power so you should be ok for the GTX 470, I would get more power if you plan to go with the GTX 480 in SLI....and maybe some ear muffs
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a c 248 ) Power supply
March 28, 2010 7:15:46 PM

I know Nvidia is recommending a 600 watt power supply for a pc system with one of their their brand new GTX480 cards. I did not see a recommendation at the Nvidia site for the GTX470 video card. I have not seen any power recommendations for two video cards in SLI mode yet. SLI power requirements should be published shortly. Tom's Hardware will be publishing an article about using two of the cards in SLI mode. The articles almost always include power consumption and temperature charts. I'd wait a few days before making any purchasing decisions.

The cards run very very hot. The 470 can reach temperatures up around 95C and officially max out at 105C. That is above the boiling point of water. You will definitely need a pc case with excellent ventilation, airflow, and cooling to handle the cards. GEE! I wonder if the card can make a pot of coffee! :lol: 

EDIT/UPDATE - I just visited the video card section of this forum. There is a sticky (thread) at the top that has a consolidated list of about a dozen technical reviews of the 480 and 470. Some of the reviews have power consumption and temperature charts for two 480's in SLI mode. I did not find any similar charts for the 470 in SLI mode.
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a c 165 ) Power supply
March 28, 2010 7:25:27 PM

EVGA is listing the following for a single card

Minimum of a 550 Watt power supply. (Minimum recommended power supply with +12 Volt current rating of 38 Amps.) TDP 220w

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a b ) Power supply
March 28, 2010 7:31:11 PM




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a c 165 ) Power supply
March 28, 2010 7:43:52 PM

maybe i'm going blind but I don't see the GTX 470 on your power lists
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a c 141 ) Power supply
March 28, 2010 7:52:56 PM

http://www.techspot.com/news/38297-Nvidia-GeForce-GTX-4...

I was quite surprised to see that the 470 has the lowest "dollars per frame" in almost every DX11 game (9/10 tests at 1920 x 1200 and high settings). It has more OC room and less heat output.

And as jonnny said, you're gonna wanna move a good amount of air across these boards .... I'd recommend a full tower case such as an Antec 1200 or hAF 932 .....add the two optional case fans which blow across the GFX cards to the 1200.
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a b ) Power supply
March 28, 2010 8:45:02 PM

just saw it now guess it wasn in the review
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March 28, 2010 8:52:53 PM

yes the new fermi cards are hot and noisy but they are good in performance , for very special situation I need to buy the psu tomorrow (long story :)  ) so plz tell me antec 850w or pc&p 750w ?

by they way , what extra fan I should buy ? please advice with links to know the model and how it look like

thanks alot for all replies
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March 29, 2010 2:27:33 AM

Best answer selected by mdk4ever.
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