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Capable PSU for my sig rig?

post #1 of 9
Thread Starter 
As the title says. I currently have the signature rig below, however I am not getting the 7990 for a few days and am a little worried about my PSU handling it all. I went to a power supply calculator website and it suggested a 1000w PSU. Am I too close to max? My PSU is about 4 years old. Thanks.

Edit: My CPU is overclocked to 4.6 and I plan on overclocking my 7990.
post #2 of 9
You have 40amps on two 12v rails.

480w per side.

Just plug one 8pin into each side of the 12v rails and you should be fine.

4 years is getting old for a psu and you're probably not getting the full 960w anymore out of her. Could be time for a new power supply.
post #3 of 9
HX1000 is good quality, just a bit outdated now (you can readily buy better).

If you're talking about a single 7990, you have plenty of room to spare now. Well, if you're overclocking the 7990 a lot it would depend on how the rails are split across the wires if you're trying to bench or stress test it. But even if there's some issue, it would just shut down and you may need to try the manual, asking Corsair, or trial-and-error to figure out which stuff is connected to which half of the power supply.

This was one of those rarer designs where you actually get two different transformers, one for each +12V output rail. The thing is doubled inside.
post #4 of 9
Thread Starter 
Any recommendations on a new PSU if the corsair doesn't work out? I had my eye on a seasonic 1200 watt.

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post #5 of 9
Thread Starter 
The seasonic x-1250 actually.

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post #6 of 9
Quote:
Originally Posted by jakeface1 View Post

The seasonic x-1250 actually.

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You dont need that much
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Seravee
(24 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core I7 6850K Gigabyte X99 Ultra Gaming Gigabyte GTX 970 G1 Gaming Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD30EZRX  WD Green WD40EZRX  WD Green WD60EZRX  
Hard DriveOptical DriveCoolingCooling
WD Red WD80EFZX 8TB  LG CH12NS30 5x Noctua NF-A14 FLX Noctua NH-D15 
OSMonitorKeyboardPower
Windows 7 64 Bit Asus PG279Q Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone XTD Laser Roccat Sense Metor Sennheiser HD 598 
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Onkyo TX NR646  Harman Kardon HKTS 60 CableMod E series PSU cable set CableMod LED Strips 
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post #7 of 9
Isnt 1000W like a lot? Isnt the 7990 like two 7970's so thats like what? 500W? How in the world is a 1000W PSU required for a single dual-GPU card?

Sounds like a 650-750w PSU should do the job...
post #8 of 9
Quote:
Originally Posted by Aesthethc View Post

Isnt 1000W like a lot? Isnt the 7990 like two 7970's so thats like what? 500W? How in the world is a 1000W PSU required for a single dual-GPU card?

Sounds like a 650-750w PSU should do the job...

750 to 850 watts max

Just watch this

Forget that he says about efficiency its wrong
Seravee
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Intel Core I7 6850K Gigabyte X99 Ultra Gaming Gigabyte GTX 970 G1 Gaming Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD30EZRX  WD Green WD40EZRX  WD Green WD60EZRX  
Hard DriveOptical DriveCoolingCooling
WD Red WD80EFZX 8TB  LG CH12NS30 5x Noctua NF-A14 FLX Noctua NH-D15 
OSMonitorKeyboardPower
Windows 7 64 Bit Asus PG279Q Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone XTD Laser Roccat Sense Metor Sennheiser HD 598 
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Seravee
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CPUMotherboardGraphicsRAM
Intel Core I7 6850K Gigabyte X99 Ultra Gaming Gigabyte GTX 970 G1 Gaming Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD30EZRX  WD Green WD40EZRX  WD Green WD60EZRX  
Hard DriveOptical DriveCoolingCooling
WD Red WD80EFZX 8TB  LG CH12NS30 5x Noctua NF-A14 FLX Noctua NH-D15 
OSMonitorKeyboardPower
Windows 7 64 Bit Asus PG279Q Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone XTD Laser Roccat Sense Metor Sennheiser HD 598 
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post #9 of 9
Thread Starter 
Quote:
Originally Posted by shilka View Post

[quote name="Aesthethc" url="/t/1434798/capable-psu-for-my-sig-rig#post_21002060"]Isnt 1000W like a lot? Isnt the 7990 like two 7970's so thats like what? 500W? How in the world is a 1000W PSU required for a single dual-GPU card?Sounds like a 650-750w PSU should do the job...[/quote]750 to 850 watts maxJust watch this[VIDEO]http://www.youtube.com/watch?v=LiWThqgFfI4[/VIDEO]Forget that he says about efficiency its wrong

Great video. Thanks for that I feel better now.


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