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Xfire 6970s & Ultra X3 800-watt

post #1 of 9
Thread Starter 
At the end of this month I will be getting a second 6970 for crossfire and need to know if my current psu (Ultra X3 800-watt) will cut it.

Specs of the Ultra X3 800-watt:




Specs of my rig are in my signature. I'm using 11 fans in my rig in addition to what's in the sig. I used one of those PSU calculators and it told me I'd consume around 900 watts with a 90% load. However, I know how unreliable those psu calculators are.

If my current PSU isn't enough...do you think a Corsair AX850 would suffice or should I opt for an AX1200 instead.
    
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post #2 of 9
Easey.
     
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Bowers & Wilkins PM1 
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post #3 of 9
It's enough, but I don't know how clean and stable its power delivery is. Although it's probably ok.

AMD recommends a 550W to power a system with one 6970 in it, so that means a quality 650-750W power supply would be enough.

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


Edit: your PSU's +12V is 660W which means it's basically just a 700-750W power supply (except, it still has enough power).
It's a computer!
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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
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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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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 #4 of 9
you should have plenty
My System
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My System
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I5 2500K AsRock extreme4 p67 GTX 470 SLI 8gb Gskill 
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Crucial 128gb,WD black 1tb, Seagate 500gb windows 7 64 bit Enterprise U2311H Razor 
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post #5 of 9
Thread Starter 
Quote:
Originally Posted by TwoCables View Post
It's enough, but I don't know how clean and stable its power delivery is. Although it's probably ok.

AMD recommends a 550W to power a system with one 6970 in it, so that means a quality 650-750W power supply would be enough.

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


Edit: your PSU's +12V is 660W which means it's basically just a 700-750W power supply (except, it still has enough power).
So, I'd basically be cutting it really close then?
    
CPUMotherboardGraphicsRAM
i7 6700k @4.7ghz (from silicon lottery) Asus Maximus VIII Impact MSI GTX1080 G.Skill Ripjaws V Series 32gb @3200mhz  
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Samsung 850 EVO Swiftech Apogee XL2 Windows 10 Home 64 Bit Acer Predator Z35 
KeyboardPowerCaseMouse
Filco Multicam TKL Silverstone SFX-L 700w Lian-li PC-Q37 Logitech G303 
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Creative Sound Blaster X7 
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CPUMotherboardGraphicsRAM
i7 6700k @4.7ghz (from silicon lottery) Asus Maximus VIII Impact MSI GTX1080 G.Skill Ripjaws V Series 32gb @3200mhz  
Hard DriveCoolingOSMonitor
Samsung 850 EVO Swiftech Apogee XL2 Windows 10 Home 64 Bit Acer Predator Z35 
KeyboardPowerCaseMouse
Filco Multicam TKL Silverstone SFX-L 700w Lian-li PC-Q37 Logitech G303 
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Creative Sound Blaster X7 
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post #6 of 9
Quote:
Originally Posted by _AKIMbO_ View Post
So, I'd basically be cutting it really close then?
No, it has enough power. I'm just being a little judgmental about this PSU.
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 #7 of 9
Thread Starter 
Quote:
Originally Posted by TwoCables View Post
No, it has enough power. I'm just being a little judgmental about this PSU.
Oh lol...ok. Thanks for the help!
    
CPUMotherboardGraphicsRAM
i7 6700k @4.7ghz (from silicon lottery) Asus Maximus VIII Impact MSI GTX1080 G.Skill Ripjaws V Series 32gb @3200mhz  
Hard DriveCoolingOSMonitor
Samsung 850 EVO Swiftech Apogee XL2 Windows 10 Home 64 Bit Acer Predator Z35 
KeyboardPowerCaseMouse
Filco Multicam TKL Silverstone SFX-L 700w Lian-li PC-Q37 Logitech G303 
Audio
Creative Sound Blaster X7 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
i7 6700k @4.7ghz (from silicon lottery) Asus Maximus VIII Impact MSI GTX1080 G.Skill Ripjaws V Series 32gb @3200mhz  
Hard DriveCoolingOSMonitor
Samsung 850 EVO Swiftech Apogee XL2 Windows 10 Home 64 Bit Acer Predator Z35 
KeyboardPowerCaseMouse
Filco Multicam TKL Silverstone SFX-L 700w Lian-li PC-Q37 Logitech G303 
Audio
Creative Sound Blaster X7 
  hide details  
Reply
post #8 of 9
Quote:
Originally Posted by _AKIMbO_ View Post
Oh lol...ok. Thanks for the help!
You're welcome!
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 #9 of 9
X3 line is fine..you're good to go.
Bare Essentials
(13 items)
 
  
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i7-930 @ 4.0 GHz ASUS P6X58D Premium MSI 6950 2 GB CFX (shaders unlocked) Corsair XMS3 8 GB (4GB x2) 
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Intel X25-M 80 GB SSD Win7 Home Premium 64 bit Samsung S27A950D OCN Ducky (Browns) 
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Ultra X3 1000W CoolerMaster HAF X CoolerMaster Storm Spawn Puretrak Talent 
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Bare Essentials
(13 items)
 
  
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i7-930 @ 4.0 GHz ASUS P6X58D Premium MSI 6950 2 GB CFX (shaders unlocked) Corsair XMS3 8 GB (4GB x2) 
Hard DriveOSMonitorKeyboard
Intel X25-M 80 GB SSD Win7 Home Premium 64 bit Samsung S27A950D OCN Ducky (Browns) 
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Ultra X3 1000W CoolerMaster HAF X CoolerMaster Storm Spawn Puretrak Talent 
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