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Ultra LSP550 550-Watt Power Supply

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April 24, 2011 6:39:00 PM

I was going to buy this barebone kit and was wondering if the PSU will handle a 6870 or 560TI?

http://www.tigerdirect.ca/applications/searchtools/item...

I've never heard about the company and i'm wondering if it can handle atleast 1 GPU

both of the video cards require 500w Minimum

More about : ultra lsp550 550 watt power supply

April 25, 2011 3:08:38 PM

If i want to Crossfire/SLI it won't work will it?
Even though it says SLI/Crossfire Ready?
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April 25, 2011 3:18:32 PM

For the cards you mention it is not enough for dual card setup. It will do low end cards.
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April 25, 2011 10:08:58 PM

If i get another PSU to replace that which one of these 2 are good?
These 2 are both Modular:

COOLER MASTER Silent Pro M700 RS-700-AMBA-D3 700W ATX12V V2.3 SLI Certified CrossFire Ready 80 PLUS BRONZE Certified Modular Active PFC Power Supply

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Antec TruePower New TP-650 650W Continuous Power ATX12V V2.3 / EPS12V V2.91 SLI Certified CrossFire Ready 80 PLUS BRONZE Certified Active PFC "compatible with Core i7/Core i5" Power Supply

http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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April 26, 2011 12:54:00 AM

well the extra 50watts would definately come in handy when doing cfx or sli setups as you really dont want to go for the bare minimum on power. however the antec 650w has 4 pci-e connectors which will be needed for the cfx/sli cards you mentioned or you can just use a 4pin molex to 6 pin pci-e adapter that comes with most GPU's and go with the 700watt Cooler master.
Plus that cooler master is modular which means you can only plug in the cables you need to use and keep the rest unattached from the PSU to reduce clutter of cable and improve airflow throughout your case.
IMO i would go for the cooler master, you never know when the extra 50watts will come in handy especially with crossfire as the last thing you want is for your system to run out of juice while your in the middle of a gaming session when you hit a GPU intensive part of the game and your system wants to draw more power but simply cannot.
with the 700watts you really cant go wrong, and plus its on sale for a really good price i see! thats really a steal at that price!

also both GPU setups you mentioned will be using up 450watts in dual card mode and thats only the cards alone which leaves you ~250 watts for the rest of your system if you get the 700w and ~200watts if you get the 650w so keep that in mind too
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