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Radeon 6970 PSU? - Page 2

post #11 of 55
Although cooler master PSUs are not as good as Corsairs since they aren't seasonic (I think). So for a cooler master, the 800w would be enough while corsair tx750v2 is enough if you go corsair.
post #12 of 55
Here's some help:

Phaedrus' PSU calculator:

http://www.overclock.net/power-suppl...alculator.html

HD6970 would do fine with a 500W PSU and that INCLUDES overclocking headroom.

Recommended PSUs:

http://www.overclock.net/power-suppl...-supplies.html


Hope that enlightens your purchase
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post #13 of 55
Thread Starter 
Quote:
Originally Posted by WhitePrQjser View Post
Here's some help:

Phaedrus' PSU calculator:

http://www.overclock.net/power-suppl...alculator.html

HD6970 would do fine with a 500W PSU and that INCLUDES overclocking headroom.

Recommended PSUs:

http://www.overclock.net/power-suppl...-supplies.html


Hope that enlightens your purchase

I'm talking about 6970 CF; If you're talking about that as well with 500w, then dayum.
post #14 of 55
Any quality 650W power supply is enough. I wouldn't use the Cooler Master GX though.
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post #15 of 55
Thread Starter 
Quote:
Originally Posted by TwoCables View Post
Any quality 650W power supply is enough. I wouldn't use the Cooler Master GX though.
Why? It's working fine for me.
post #16 of 55
My hx750 works great for my 6970's. 7 year warranty and silver certified. Very pleased with it.

Sent from my Inspire 4g using Tapatalk
post #17 of 55
Quote:
Originally Posted by SergeantSilent View Post
Why? It's working fine for me.
It won't be so fine when Crossfiring two 6970s. It'll get even worse if you try to overclock them. Although if you never overclock them, then you might get away with it.

The Cooler Master GX units are never recommended. I've even seen some PSU experts on here talk about them as though they're complete garbage.
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It's a computer!
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250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
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Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
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Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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post #18 of 55
Thread Starter 
Quote:
Originally Posted by TwoCables View Post
It won't be so fine when Crossfiring two 6970s. It'll get even worse if you try to overclock them. Although if you never overclock them, then you might get away with it.

The Cooler Master GX units are never recommended. I've even seen some PSU experts on here talk about them as though they're complete garbage.
Then they obviously haven't used them. They work perfectly fine; as a power supply.
I don't plan to use it for CF, I plan to upgrade to a higher wattage.
post #19 of 55
Quote:
Originally Posted by SergeantSilent View Post
Then they obviously haven't used them. They work perfectly fine; as a power supply.
I don't plan to use it for CF, I plan to upgrade to a higher wattage.
They know what they're talking about.

It's working fine for you right now because all you have is a 9400 GT. Once you replace that with two 6970s, it will be an extremely different ballgame. If it works, then I expect lots of instability.

I don't blame you for defending your PSU. After all, this is a part of your sig rig which is your baby. I feel the same way about my system.
It's a computer!
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i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
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Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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post #20 of 55
Quote:
Originally Posted by SergeantSilent View Post
I'm talking about 6970 CF; If you're talking about that as well with 500w, then dayum.
I m sure a 650 watt psu is enough for CF 6970s.
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MCC
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