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Need a midlevel 1000W PSU

post #1 of 14
Thread Starter 
Just putting together my first build now. Parts I already have are in my sig. Great deal on newegg for the coolermaster silent pro 1000w but I've heard good and lots of bad things about them. Anyone care to chime in and help me out?
    
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post #2 of 14
Reading some reveals there the voltage regulation and ripple aren't perfect but well within specification.

You absolutely don't need a 1000W power suppply for a 6990 and a SB processor. Even at peak overclocked the card will not draw more than 450-500W and the rest of the system will be under 200W. You will need a 700W power supply at most in my opinion. I'm sure others will chime in.
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Sandy Bridge-E
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post #3 of 14
AMD recommends a 750W power supply to power a system with a one 6990 in it:

http://www.amd.com/us/products/deskt...verview.aspx#2
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It's a computer!
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post #4 of 14
Thread Starter 
I want to add a dual water loop for cpu/graphics card, an optical drive, maybe a couple of cold cathodes, and between 2-3 HDD. Still won't need 1000? I'd rather not get it if I don't need it!
    
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Crucial C300 128GB SSD/2 Seagate 500GB RAID0 Asus 24x DVD-RW Win7 64bit (2x) Apple 27" LED Cinema Displays 
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post #5 of 14
A pump and associated hardware won't run more than 50W.

HDDs consume something along the lines of 10-20W each.

Cold cathodes add negligible energy load to the system.\\

http://extreme.outervision.com/psucalculatorlite.jsp

Use that power supply calculator. You really don't need any more than than whatever that algorithm spits out.

Quote:
Originally Posted by TwoCables View Post
AMD recommends a 750W power supply to power a system with a one 6990 in it:

http://www.amd.com/us/products/deskt...verview.aspx#2
Well there you have it...

Although I'm assuming that the 750W power supply is based on a x6 Phenom or something similar with a 130W TDP and a power supply of average quality. Most quality power supplies are able to supply more than is printed on the label during peak situations.

i had a look through Newegg and for the 170 dollars that the Cooler Master would cost you can buy yourself a top quality 750-800W power supply which I think would be a much better choice.
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Sandy Bridge-E
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post #6 of 14
If you absolutely want a 1000w unit

NZXT HALE 90 1000W
http://www.newegg.com/Product/Produc...82E16817116013

Kingwin Lazer gold 1000
http://www.newegg.com/Product/Produc...82E16817121075

Both are based in the same Superflower Golden Green plataform, have very good performance and won't break the bank.
Get whichever you like the most.

If you go 650-850w, both kingwin and NZXT models are based on the same plataform (Hale 90 and lazer gold units)
Edited by Count Drugula - 3/16/11 at 10:15pm
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post #7 of 14
Well here's a real world example of the 6990 in action: http://www.guru3d.com/article/his-ra...sfire-review/9

Core i7 965 OC'd w/ 6990: System Wattage with GPU in FULL Stress = 489W

They use water cooling, cold cathodes, etc. on their system as well. And the cherry on top? That's wall power, not system power. A 1000w would be super overkill, a 750w would be overkill but if you like to feel safe and cozy might be ok, a 650W should be able to do you fine.
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post #8 of 14
Quote:
Originally Posted by scubamp View Post
I want to add a dual water loop for cpu/graphics card, an optical drive, maybe a couple of cold cathodes, and between 2-3 HDD. Still won't need 1000? I'd rather not get it if I don't need it!
Even then I am still confident that a good 700-750W power supply will have no problem handling it. I mean, AMD's recommendation of a 750W power supply is in regards to power supplies with a "peak" rating of 750W. This is their way of covering their butts so that they don't get people complaining that their PSU doesn't have enough power. Plus, they take into account the most modern system possible at the time the card was released to the public.

If you use that PSU calculator (I recommend that you don't), then make absolutely certain that you use these settings:
  1. System Type: "1 physical CPU"
  2. Motherboard: "High End - Desktop"
  3. CPU Utilization (TDP): "90% TDP (recommended)" (100% is unrealistic, even when stress testing)
  4. Hard Drives: don't use "High rpm SATA" unless you have 10,000 RPM SATA drives
  5. Additional PCI Card (avg): use this only if you have one that is not listed above this option
  6. Additional PCI Express Cards: not for video cards, but it can be used for PCI-E sound cards.
  7. External Devices (USB): not for keyboards and mice. This calculator already takes both into account
  8. System Load: 70-75% for most people, 80%-90% for folding on both the CPU and graphics card simultaneously. System Load is referring to every last thing that is being powered by the PSU, including the hard drives, optical drives, fans, memory, audio, internet, mouse, keyboard, etc. Everything.
  9. Capacitor Aging: "When used heavily or over an extended period of time (1+ years), a power supply will slowly lose some of its initial wattage capacity. We recommend you add 10-20% if you plan to keep your PSU for more than 1 year, or 20-30% for 24/7 usage and 1+ years." So, I recommend leaving it at "- Select" for a new PSU, or 10-15% if it's already a few years old.


However, don't let this PSU calculator define your power supply requirements because it's still not entirely accurate.
Edited by TwoCables - 3/16/11 at 11:20pm
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 
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250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
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Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
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Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round 
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X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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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 DriveOptical DriveOptical Drive
250 GB Samsung 840 EVO (OS) 3 TB Toshiba P300 (storage) Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner 
CoolingOSMonitorKeyboard
Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO 
PowerCaseMouseMouse Pad
Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate Basic, but premium round 
AudioAudio
X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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post #9 of 14
I would agree that an 850W would be plenty for that setup. Have a look here for PSUs that are known to be quality built and worth your money: http://www.overclock.net/power-suppl...-supplies.html
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post #10 of 14
Quote:
Originally Posted by scubamp View Post
Just putting together my first build now. Parts I already have are in my sig. Great deal on newegg for the coolermaster silent pro 1000w but I've heard good and lots of bad things about them. Anyone care to chime in and help me out?
So what's wrong with the HX850 in your sig? Better choice than a mid-level 1000W I think.
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