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Is my psu enough for crossfire HD 5750?

post #1 of 7
Thread Starter 
Hi.
I go to the point.

My power supply:
-Thermaltake TR2 600w
http://www.thermaltake.com/product_i...00W&ov=n&ovid=



I have this pc:
-Phenom II X4 965 3.4Ghz C3 (125w)
-Asus M4A89TD PRO USB3
-G.Skill Ripjaw 2x2GB 1600mhz CL7 1.6v
-2 x 500GB WD Caviar Blue SATA2
-DVD-RW LG SATA
-Sapphire HD 5750 1gb GDDR5
-3 case FAN's.


I want to get 1 more HD 5750 for crossfire, its enough?

tnks
post #2 of 7
there are several psu calculators around the net. according to corsairs

they suggest a 650 at the minimum with no overclock on the cpu or gpu for your system.

you might be able to squeak by, but i wouldn't recommend it. i'd go with at least a 750 or 800 just to make sure you have enough headroom. plus, a higher w psu at 50% load is more efficient than a lower w psu running at 80+% load.
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WD CaviarBlack 1TB LITE-ON iHAS424-98 Corsair H70 Win. 7 Home x64 
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post #3 of 7
Quote:
Originally Posted by eloverton2 View Post
there are several psu calculators around the net. according to corsairs

they suggest a 650 at the minimum with no overclock on the cpu or gpu for your system.

you might be able to squeak by, but i wouldn't recommend it. i'd go with at least a 750 or 800 just to make sure you have enough headroom. plus, a higher w psu at 50% load is more efficient than a lower w psu running at 80+% load.
lol that corsair calc us garbage, its telling me i need a 1000W plus for a quad amd, with 2 6000 series cards....

use these

http://extreme.outervision.com/psucalculatorlite.jsp

http://educations.newegg.com/tool/psucalc/index.html
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post #4 of 7
Quote:
Originally Posted by hadshin View Post
Hi.
I go to the point.

My power supply:
-Thermaltake TR2 600w
http://www.thermaltake.com/product_i...00W&ov=n&ovid=



I have this pc:
-Phenom II X4 965 3.4Ghz C3 (125w)
-Asus M4A89TD PRO USB3
-G.Skill Ripjaw 2x2GB 1600mhz CL7 1.6v
-2 x 500GB WD Caviar Blue SATA2
-DVD-RW LG SATA
-Sapphire HD 5750 1gb GDDR5
-3 case FAN's.


I want to get 1 more HD 5750 for crossfire, its enough?

tnks
You will be fine it recommends for Crossfire 5770's 500W total system power so yeah your good
Happy trails my friend
    
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post #5 of 7
You are easily good. Overclocking will be fine.
post #6 of 7
you're good to go! there are some open box newegg sales going on. you can prob find a 5750 maybe?
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post #7 of 7
5750s are very low power cards, you have plenty of juice in that PSU to cover that. You could run a pair of 5770s with that PSU without any trouble either.
Ok, the TR2 isn't by a long shot the best 600w, but it is a real 600w unit.
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