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Setup for dual power supplies?

post #1 of 19
Thread Starter 
I was wondering how you setup 2 power supplies? I'm looking at building a pretty serious machine and I definitely want overkill on the power supply area.

The Rig so far is going to have a:
Case Labs Case (Not sure about M10 or TH10 yet... Probably M10)
ASUS Rampage III Black Edition motherboard
2 EVGA GTX 580
Intel Extreme Core i7-990x
G.SKILL SNiper Gaming Series ram, 24GB (6x4GB)
5 hard disks (4 seagate cheetah 15K rpm and 1 OCZ IBIS SSD)...

I'm planning on running a Silverstone ST1500:
http://www.newegg.com/Product/Product.aspx?Item=N82E16817256054

I'm considering possibly running 2 of these, or downgrading to like a 1200 watt, slightly more affordable PSU and run 2 (the latter option is more likely, save a few bucks this build is getting crazy LOL).

Is this 1500 going to be enough? I rather have more than enough power than be on the edge.

Thanks for any input!!
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Pentium D 945 ASUS P5WD2 Premium GTS 250 2 gig dual channel 
Hard DriveOSMonitorKeyboard
74gig 10K rpm raptor Windows 7 Dual HP w2207h 22" screens Logitech Wireless 
PowerCaseMouseMouse Pad
OCZ Xtreme Gaming 700w Lian Li Logitech Laser Wireless none 
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post #2 of 19
why two psus unless youre building a server stay with one
post #3 of 19
That could run on a quality 850W power supply.

"Serious" would be if you were using two HD6990s and a GTX580 for PhysX in an SR-2 build, all under water, with an 8-disk RAID array. Then an ST-1500 would be justified.
post #4 of 19
I'd say that even a 1200W would be more than enough to run all of that with generous overclocking. Now if you went tri-sli gtx580, then the 1500 might be needed.

I'm going to be running almost that much on 1000W and still have watts to spare.

So yeah, you would have more than enough.
post #5 of 19
That's way overkill. A quality 850 would be plenty.
     
CPUMotherboardGraphicsRAM
5820k @4.5GHz 24/7 GA-X99-SLI MSI 1080 TI Seahawk X 16GB gSkill 3200 
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1tb 850 EVO 4TB of Spinners H110i GT Samsung 34" S34E790C Curved Ultrawide/ Oculus R... 
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6700hq 1070 16gb 1tb 850 evo 
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i5 2500K @4.9GHz ASUS P8Z68-V PRO pny 970 4x4GB Hyper X 1600 
Hard DriveOptical DriveOSMonitor
120GB Corsair Force 3+2TB Hitachi HDD+1.5TB WDGrn Lite ON BD RE Win7HP64 58" Samsung Plasma 
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Blackwidow Ultimate NZXT HALE90 850W Thermaltake Element G Logitech MX-518 
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CPUMotherboardGraphicsRAM
5820k @4.5GHz 24/7 GA-X99-SLI MSI 1080 TI Seahawk X 16GB gSkill 3200 
Hard DriveHard DriveOSMonitor
1tb 850 EVO 4TB of Spinners H110i GT Samsung 34" S34E790C Curved Ultrawide/ Oculus R... 
KeyboardPowerCaseMouse
Blackwidow Ultimate Corsair RM850X Fractal R5 Ti Window G900 Chaos Spectrum 
CPUGraphicsRAMHard Drive
6700hq 1070 16gb 1tb 850 evo 
CPUMotherboardGraphicsRAM
i5 2500K @4.9GHz ASUS P8Z68-V PRO pny 970 4x4GB Hyper X 1600 
Hard DriveOptical DriveOSMonitor
120GB Corsair Force 3+2TB Hitachi HDD+1.5TB WDGrn Lite ON BD RE Win7HP64 58" Samsung Plasma 
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Blackwidow Ultimate NZXT HALE90 850W Thermaltake Element G Logitech MX-518 
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post #6 of 19
Thread Starter 
Awesome news! Hence why I asked haha. I might go to a full water cooling the future, I assume the 1500 would still be fine.

How did you gauge the power supply needed? Is there a way to doit or I guess you guys just know. I'm kind of out of the loop, been a while since my last build.

EDIT: I am thinking long term and upgrades too, good possibility my crazy ass will add another RAID setup or maybe an additional GPU down the road.
Edited by Frankiebonez - 7/16/11 at 5:40pm
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Pentium D 945 ASUS P5WD2 Premium GTS 250 2 gig dual channel 
Hard DriveOSMonitorKeyboard
74gig 10K rpm raptor Windows 7 Dual HP w2207h 22" screens Logitech Wireless 
PowerCaseMouseMouse Pad
OCZ Xtreme Gaming 700w Lian Li Logitech Laser Wireless none 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Pentium D 945 ASUS P5WD2 Premium GTS 250 2 gig dual channel 
Hard DriveOSMonitorKeyboard
74gig 10K rpm raptor Windows 7 Dual HP w2207h 22" screens Logitech Wireless 
PowerCaseMouseMouse Pad
OCZ Xtreme Gaming 700w Lian Li Logitech Laser Wireless none 
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post #7 of 19
Check my sig.
post #8 of 19
Thread Starter 
oh mint, thanks buddy!
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Pentium D 945 ASUS P5WD2 Premium GTS 250 2 gig dual channel 
Hard DriveOSMonitorKeyboard
74gig 10K rpm raptor Windows 7 Dual HP w2207h 22" screens Logitech Wireless 
PowerCaseMouseMouse Pad
OCZ Xtreme Gaming 700w Lian Li Logitech Laser Wireless none 
  hide details  
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Pentium D 945 ASUS P5WD2 Premium GTS 250 2 gig dual channel 
Hard DriveOSMonitorKeyboard
74gig 10K rpm raptor Windows 7 Dual HP w2207h 22" screens Logitech Wireless 
PowerCaseMouseMouse Pad
OCZ Xtreme Gaming 700w Lian Li Logitech Laser Wireless none 
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post #9 of 19
Even with a full watercooling setup, 1500W is still overkill. Maybe 1000W if you add in watercooling later on?

Just stick to good PSU manufacturers and you can't go wrong. And your new build isn't "that" serious wink.gif
The Metallian
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The Metallian
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Element Gaming Palladium XFX 650W XXX Zalman Z9 Neo Gigabyte M6980 
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post #10 of 19
2 PSUs - lol. I can't think of anything a 1500 watt PSU wouldn't be able to power up, not even a 1200 lol. Really, go with a 850 unleash you want headroom for 4-way SLI, then go with 1200.
Happy overclocking.

Btw. my rig pulls 294 under Prime95 and Kombuster at same time, if that can give you any ideas of your PSU need lol:P
Mr. Cablemess
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