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Recommended wattage for my build? - Page 3

post #21 of 49
I was told recently by a different PSU expert here on OCN that these kind of devices are "confused" by the Active PFC of our power supplies, resulting in higher (inaccurate) readings.
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It's a computer!
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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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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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post #22 of 49
Quote:
Originally Posted by gregory121295 View Post
I plan to build the following rig:
AMD 1090t @ between 4-5 ghz (as high as I can safely go)
Dual unlocked Saphire 2gb 6950's
Asus Crosshair 4 Formula
Standard sata HDD
OCZ 30gb SSD
4gb Gskill ripjaws-x cl6 @1600 (probably oc a bit toward 2000)
Noctua D14 / Watercooling (cpu only loop)
Antec 1200 pc case (with all fans included)

All the calculators I've used suggest a 1000-1200 watt psu, which I think sounds a little on the high side.
These components netted 700w when I used THIS online application, including your numerous LED fans & an 11w CPU dedicated water cooling system...

Running out-of-the-box your CPU & 6950's will draw a theoretical 525w (according to manufacturer spec's) @ maximum, thus assuming you're a [H]ard core overclocker & gamer 750~800w would appear to be the sweet spot PSU for you providing an additional 50~100w of peak wattage to support your OC'ed components (or future OC configurations), I agree 1K+ would be unnecessary overkill
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post #23 of 49
Quote:
Originally Posted by Blindsay View Post
to each their own i guess, i like knowing that regardless of what i run i will never go over my psu limits. i wouldnt get less than 850 considering i can pull 800+ and thats without overclocking my video cards
I'm finding it hard to believe this. A 6970 rig wouldn't draw over 700w at stock. Your kill-a-watt is probably defective or something.

At most both 6970's would consume around 350-400w together at stock.
Edited by GameBoy - 3/28/11 at 3:44am
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post #24 of 49
Quote:
Originally Posted by GameBoy View Post
I'm finding it hard to believe this. A 6970 rig wouldn't draw over 700w at stock. Your kill-a-watt is probably defective or something.

At most both 6970's would consume around 350-400w together at stock.
its not defective, ive checked it with 2 devices
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CPUCPUMotherboardGraphics
Intel E5-2670 intel E5-2670 Asus Z9PE-D8 WS Visiontek R9 390 
RAMHard DriveHard DriveHard Drive
8x4GB DDR3 1333 ECC Registered Toshiba 5TB X300 Seagate 4TB HGST 4TB 
Hard DriveHard DriveHard DriveHard Drive
Sandisk 240GB Sandisk 480GB Samsung 830 128GB Toshiba 6TB X300 
Hard DriveHard DriveOptical DriveOS
Toshiba 5TB X300 Toshiba 5TB X300 WH16NS40 Windows 10 Pro 
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Dell S1715H Dell u2311h blackwidow ultimate Kingwin Lazer platinum 1000w 
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Corsair 800D Deathadder Chroma 
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post #25 of 49
Thread Starter 
I forgot to mention that I plan to oc the unlocked 6950's to at least match, and perhaps exceed 6970 clocks.
post #26 of 49
1000 would be the least I would go with.. I would say an 1100 or 1200 would be good.

How did I come up with 1000..

Well the CPU is 100 watts
The two cards 250 x2 500
Motherboard 35
The hard drive 35
The Ram 20 watts
the water cooler loop at 150 watts.

So


100
500
35
35
20
150
840 X .20 percent tolerance for fans and chains lights and such.
168
1008 Watts

http://www.newegg.com/Product/Produc...82E16817139014
Edited by Enigma8750 - 3/28/11 at 12:01pm
    
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Phenom II 940 BE ASUS M3A32-MVP DELUXE Wifi Sapphire 5770x2 Crossfire 4 Gb. of G.Skill 5-5-5-15 1066 
Hard DriveOptical DriveOSMonitor
SSD 60g OS. 500GB + 300 GB VelociRaptor 10000 rpm PLEXTOR PX-850SA Windows 7 Professional SAMSUNG 920 BW 
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post #27 of 49
Thread Starter 
The specs I listed are my theoretical maxes. I'd prefer to pay under $100 for the PSU.
post #28 of 49
Thread Starter 
Can anyone recommend a good 850w psu with a price of $100 or below? 850 watts seems to be enough, according to this (http://extreme.outervision.com/PSUEngine) calculator.
post #29 of 49


A quality 750W is more than enough!
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 #30 of 49
then how can i pull more than that with a similiar system?

No point in risking it when the price difference is minimal
Server/Gaming Rig
(22 items)
 
  
CPUCPUMotherboardGraphics
Intel E5-2670 intel E5-2670 Asus Z9PE-D8 WS Visiontek R9 390 
RAMHard DriveHard DriveHard Drive
8x4GB DDR3 1333 ECC Registered Toshiba 5TB X300 Seagate 4TB HGST 4TB 
Hard DriveHard DriveHard DriveHard Drive
Sandisk 240GB Sandisk 480GB Samsung 830 128GB Toshiba 6TB X300 
Hard DriveHard DriveOptical DriveOS
Toshiba 5TB X300 Toshiba 5TB X300 WH16NS40 Windows 10 Pro 
MonitorMonitorKeyboardPower
Dell S1715H Dell u2311h blackwidow ultimate Kingwin Lazer platinum 1000w 
CaseMouse
Corsair 800D Deathadder Chroma 
  hide details  
Reply
Server/Gaming Rig
(22 items)
 
  
CPUCPUMotherboardGraphics
Intel E5-2670 intel E5-2670 Asus Z9PE-D8 WS Visiontek R9 390 
RAMHard DriveHard DriveHard Drive
8x4GB DDR3 1333 ECC Registered Toshiba 5TB X300 Seagate 4TB HGST 4TB 
Hard DriveHard DriveHard DriveHard Drive
Sandisk 240GB Sandisk 480GB Samsung 830 128GB Toshiba 6TB X300 
Hard DriveHard DriveOptical DriveOS
Toshiba 5TB X300 Toshiba 5TB X300 WH16NS40 Windows 10 Pro 
MonitorMonitorKeyboardPower
Dell S1715H Dell u2311h blackwidow ultimate Kingwin Lazer platinum 1000w 
CaseMouse
Corsair 800D Deathadder Chroma 
  hide details  
Reply
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