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can this psu power hd6970 ? - Page 2

post #11 of 24
Rule of thumb: avoid any PSU brand with "max" in the name, with the exception of Enermax.
post #12 of 24
Quote:
Originally Posted by Shub View Post
Rule of thumb: avoid any PSU brand with "max" in the name, with the exception of Enermax.
I usually advise against Enermax as even if they are good psu's they are fairly expensive for what you get.
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post #13 of 24
This is the better one's specs:
+3.3V@30A, +5V@55A, +12V1@19A, +12V2@19A, -12V@1A, +5VSB@2.5A

12v AMPERAGE requirements for HD69xx Series cards:

HD6950 - Idle 20W // Load 200W ( 16.6A )
HD6970 - Idle 20W // Load 250W ( 20.8A )
HD6990 - 375W ( 31.25A )

Don't do it.
Edited by Catscratch - 8/3/11 at 9:28am
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Intel Evilnow
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post #14 of 24
Quote:
Originally Posted by Catscratch View Post
This is the better one's specs:
+3.3V@30A, +5V@55A, +12V1@19A, +12V2@19A, -12V@1A, +5VSB@2.5A

12v AMPERAGE requirements for HD69xx Series cards:

HD6950 - Idle 20W // Load 200W ( 16.6A )
HD6970 - Idle 20W // Load 250W ( 20.8A )
HD6990 - 375W ( 31.25A )

Don't do it. You need at least a 40+ amps unit on 12v.
I respect your enthusiasm but I have the need to inform you that the 6970 does not nor will not use 20amps. Right now you either need a multip GPU card or a high end Nividia to pull 20+ amps in a single solution.
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post #15 of 24
Anyway, it's only got two 6 pins and I believe the HD 6970 needs a 6pin and an 8 pin connector, no? If the two 6 pins are on different rail, than it's 38A of ouput which is enough for a 6970.
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post #16 of 24
Quote:
Originally Posted by WTHbot View Post
I respect your enthusiasm but I have the need to inform you that the 6970 does not nor will not use 20amps. Right now you either need a multip GPU card or a high end Nividia to pull 20+ amps in a single solution.
Well to be fair, the nominal TDP is 250W I think. Or at least, that's what the default power cap is set to for the HD 6970, so that's above 20A at +12V. With the power cap raised, power consumption can be higher than that. In most games, I'd be surprised to see 250W, and it wouldn't be a 250W continuous load anyway.
post #17 of 24
Quote:
Originally Posted by mikeaj View Post
Well to be fair, the nominal TDP is 250W I think. Or at least, that's what the default power cap is set to for the HD 6970, so that's above 20A at +12V. With the power cap raised, power consumption can be higher than that. In most games, I'd be surprised to see 250W, and it wouldn't be a 250W continuous load anyway.
It's not even gonna hit 200w's buddy.
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My System
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Hard DriveOptical DriveOSKeyboard
WD 250gb IDE 7200 rpm N/A Windows XP Pro 32bit HP Wireles laptop style keyboard 
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post #18 of 24
From the wall it is about 400 watts.
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post #19 of 24
Thread Starter 
Wow thanks alot guys without you i may burned my VGA

i went to local store i bought Antec NEO 620W used for 47$ no box
the shop worker said it will power my VGA for 100% sure and he gave me 3 month warranty

how is this sound ?
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post #20 of 24
Quote:
Originally Posted by Coco10 View Post
Wow thanks alot guys without you i may burned my VGA

i went to local store i bought Antec NEO 620W used for 47$ no box
the shop worker said it will power my VGA for 100% sure and he gave me 3 month warranty

how is this sound ?
Sounds great mate, that's a decent unit and an even better price.
My System
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CPUMotherboardGraphicsRAM
AMD Athlon 64 x2 6400+ @3.4ghz MSI K9A2 Platinum AM2+ 790FX Saphire reference ATI Radeon HD4850 @stock G-skill 2x2 DDR2 800 
Hard DriveOptical DriveOSKeyboard
WD 250gb IDE 7200 rpm N/A Windows XP Pro 32bit HP Wireles laptop style keyboard 
PowerCaseMouseMouse Pad
Antec Earth Watts 650w NZXT Gamma Razer Naga RocketFish 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
AMD Athlon 64 x2 6400+ @3.4ghz MSI K9A2 Platinum AM2+ 790FX Saphire reference ATI Radeon HD4850 @stock G-skill 2x2 DDR2 800 
Hard DriveOptical DriveOSKeyboard
WD 250gb IDE 7200 rpm N/A Windows XP Pro 32bit HP Wireles laptop style keyboard 
PowerCaseMouseMouse Pad
Antec Earth Watts 650w NZXT Gamma Razer Naga RocketFish 
  hide details  
Reply
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