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What PSU for Crossfire HD6990

post #1 of 45
Thread Starter 
Hi,

The title says it all. I was thinking between Corsair TX850 or Corsair 1000W.


Thanks,
    
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post #2 of 45
According to AMD, a power supply with a 1000w peak rating will suffice, but they recommend a 1200W "for optimal performance":

http://www.amd.com/us/products/deskt...verview.aspx#2

So I recommend a quality 1200W just for the best-possible results. Corsair's HX1000 is ok, but it's not the greatest 1000W in the world.
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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 
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post #3 of 45
Thread Starter 
Didn't see that it was written in the spec list Thanks

So what 1200/1250W PSU do you recommend?
    
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post #4 of 45
I doubt the AMD reccomendation is even close to what they would pull. I have 6970's crossfired with 5 hdd's, and 11 fans .. ... with a Kill A Watt meter I pull 515watts during loads.

I would think the Corsair 1000watt would be a great choice. (leaving headroom for your other case hardware)
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post #5 of 45
you could probably get away with an 850w be xfx or ax850 but to be safe I suggest the ST-1000P
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post #6 of 45
Dunno
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Dunno
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post #7 of 45
Quote:
Originally Posted by kTs KaoZ View Post
Didn't see that it was written in the spec list Thanks

So what 1200/1250W PSU do you recommend?
Well, that's the system requirements tab.

Anyway, the Antec TruePower Quattro is one good choice of many!


Quote:
Originally Posted by TDS View Post
I doubt the AMD reccomendation is even close to what they would pull. I have 6970's crossfired with 5 hdd's, and 11 fans .. ... with a Kill A Watt meter I pull 515watts during loads.

I would think the Corsair 1000watt would be a great choice. (leaving headroom for your other case hardware)
But you only have 6970s. AMD recommends a 550W to power a system with a single 6970 in it, and so that tells me that they would probably recommend a 650 or a 700W unit to power a system with two:

http://www.amd.com/us/products/deskt...verview.aspx#3

By contrast, AMD recommends a 750W unit to power a system with a single 6990 in it.

Of course, these requirements are dealing with peak-rated units, not continuous-rated ones (like Corsair's HX series).


He lives in Belgium.
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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 
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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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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 #8 of 45
Corsair AX1200.
     
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post #9 of 45
kTs KaoZ:

Are there any internet stores you can use? If so, then can you show us which ones?
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... 
  hide details  
Reply
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... 
  hide details  
Reply
post #10 of 45
Thread Starter 
Quote:
Originally Posted by TwoCables View Post
kTs KaoZ:

Are there any internet stores you can use? If so, then can you show us which ones?

Well, only if they ship internationaly. I'm from Belgium. We do have some online stores here, but with limited supplies
    
CPUMotherboardGraphicsRAM
i7 2600k @ 4.0GHz ASUS Maximus IV Extreme XFX HD6990 Corsair Vengeance 2x4GB DDR3 
Hard DriveOptical DriveOSPower
Samsung Spinpoint F3 1TB Samsung SH-S223C Windows 7 64bits Corsair AX1200 
CaseMouseMouse Pad
Coolermaster Storm Scout Razer Mamba Steelseries QCK Heavy 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
i7 2600k @ 4.0GHz ASUS Maximus IV Extreme XFX HD6990 Corsair Vengeance 2x4GB DDR3 
Hard DriveOptical DriveOSPower
Samsung Spinpoint F3 1TB Samsung SH-S223C Windows 7 64bits Corsair AX1200 
CaseMouseMouse Pad
Coolermaster Storm Scout Razer Mamba Steelseries QCK Heavy 
  hide details  
Reply
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