post #11 of 11
Quote:
Originally Posted by Butter Chicken View Post

I think of is as added security... and the price is right.

I thought GTX7x0 series were known to draw 330+ watts from a psu when it is under load?

 

No. It's much less:

 

http://www.guru3d.com/articles_pages/geforce_gtx_760_sli_review,4.html

 

http://www.guru3d.com/articles_pages/geforce_gtx_770_sli_review,4.html

 

http://www.guru3d.com/articles_pages/geforce_gtx_780_sli_review,4.html

 

Look at the Estimated TDP for the single card tests.

 

 

Quote:
Originally Posted by Butter Chicken View Post

the manufacturer recommends a 500w supply for a single GTX760, and 600w supply for the GTX770/780

 

These PSU recommendations are for peak-rated PSUs. The typical +12V capacity of a peak-rated 500W PSU is about 360W at the most (30A). That is the typical +12V capacity of a decent or good (continuous-rated) 400W PSU. The typical +12V capacity of a 600W PSU is up to 34-36A, or 408-432W. That's a good +12V capacity for a decent or good 450W PSU.

 

 

Quote:
Originally Posted by Butter Chicken View Post

the maker of my particular mobo recommends 1000w for SLI/CF acording to the manual.

 

LOL

 

I apologize, but that honestly made me laugh. I'm not laughing at you, but them! What the hell kind of a video card are they talking about in SLI or Crossfire that would require a frickin' 1000W PSU?! Omg. They must be out of their minds!

 

 

Quote:
Originally Posted by Butter Chicken View Post

I am pulling (from the supply) 95 watts idle with a i3820 and an ancient graphics card (8600GT) 16Gb 2133 and two pwm fans on an H100i.

when I drop 300 to 600 watts of graphics cards in this puppy (plans for two GTX770's) I will be very curious to see how much I would be pulling as my old CM psu had a VU draw meter which attached to it.

I wish there was some way to do the same thru the modular connectors and hook up a meter there, or I guess I could just use a Kill a Watt and calculate that pull from the wall draw.

 

With two 770s in SLI, your GPU-only power consumption will change over to about 400W under maximum load from whatever it is now.

 

Is your CPU overclocked? With it at stock, your total power consumption while gaming will top out at around 550W. If it's overclocked, then it might top out at around 600W - or maybe as much as 650W.

 

If you use a Kill A Watt, then remember to only plug your PSU into it and multiply your load consumption by .90 for approximately 90% efficiency.


Edited by TwoCables - 9/10/13 at 9:00am
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... 
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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