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Need a PSU for new build! - Page 2

post #11 of 21
http://www.newegg.com/Product/Produc...r%20cx600%20v2
nice and cheap
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post #12 of 21
Quote:
Originally Posted by jlells01 View Post
GTS 450's in SLI call for 35A/600W; a Corsair GS600 (48A/600W) can be had for $79:
http://canadacomputers.com/product_i...item_id=032194
That 600W figure is for 600W peak-rated PSUs. This means that any quality 500W to 550W power supply (continuous-rated) is absolutely enough.

Edit: 35A on the +12V is 420W. 48A is 576W.


Quote:
Originally Posted by Serious Dude View Post
He lives in Canada.
Edited by TwoCables - 10/11/11 at 1:34am
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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 
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post #13 of 21
Quote:
Originally Posted by TwoCables View Post
That 600W figure is for 600W peak-rated PSUs. This means that any quality 500W to 550W power supply (continuous-rated) is absolutely enough.
http://www.guru3d.com/article/geforc...-sli-review/14

" Mind you that we stress the GPUs here, not the processor, so you need to add another 100~150W for overall power consumption."

The OP is going to be overclocking; a GS600 for $79 (in country) provides quality, affordability, and headroom.
post #14 of 21
Quote:
Originally Posted by jlells01 View Post
http://www.guru3d.com/article/geforc...-sli-review/14

" Mind you that we stress the GPUs here, not the processor, so you need to add another 100~150W for overall power consumption."

The OP is going to be overclocking; a GS600 for $79 (in country) provides quality, affordability, and headroom.
That is 402W at the wall. If we assume that the PSU was 85% efficient during that power draw (which is very likely), then that means the system pulled about 340W (341.7W) from the PSU.

So 340W + 150W = 490W, give or take a couple.
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 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 
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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 
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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 
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post #15 of 21
Quote:
Originally Posted by TwoCables View Post
490W
As I said..."for $79 (in country) provides quality, affordability, and headroom."
post #16 of 21
Quote:
Originally Posted by jlells01 View Post
As I said..."for $79 (in country) provides quality, affordability, and headroom."
Lq Cloud's friend is dead set on staying with two GTS 450s, and he will only be overclocking the 2500K. Guru3D's test system consumes way more power than his rig will ever hope to consume (they even make mention of that), so I still stand behind my list of PSUs above (and quite firmly so, I might add).

For $74.99 CAD shipped, he could get the 550W Antec TruePower New which is a high-quality partially modular PSU. Here is the entire list once again:


Now, these shipping costs could be skewed because I am in the USA so I think it's saying that this how much it would cost me based on where I live.

Regardless, all of these are very solid units - even the Rosewill Green Series- and I guarantee that any of them are enough.

If he were to get the 550W Antec TruePower New, then he could replace those two GTS 450s with one GTX 580 and still have plenty of power.
Edited by TwoCables - 10/11/11 at 2:07am
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 
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post #17 of 21
Quote:
Originally Posted by TwoCables View Post
so I still stand behind my list of PSUs above (and quite firmly so, I might add)
...and you should.

I gave the OP another choice using the manufacturers recommended minimum for a non overclocked system (which errs on the side of caution). Nothing more, nothing less.

Your selections are fine; so is mine.

/end.
Edited by jlells01 - 10/11/11 at 1:57am
post #18 of 21
Quote:
Originally Posted by jlells01 View Post
...and you should.

I gave the OP another choice using the manufacturers recommended minimum for a non overclocked system (which errs on the side of caution). Nothing more, nothing less.
If I remember correctly, the manufacturer's recommended minimum calls for 35A on the +12V in a 600W power supply right?

35A on the +12V is 420W. That means that their figure of "600W" is for peak-rated PSUs. The GS600 has a +12V of 48A which is 576W thereby making it a 600W continuous-rated power supply which means it is not at the minimum; it's very far above it.

The 530W Rosewill Green Series has a +12V capacity of 41A which is 492W.

The 520W Antec High Current Gamer has a +12V capacity of 40A which is 480W.

The 550W Antec TruePower New has a +12V capacity of 45A which is 540W.

The 500W Corsair Gaming Series has a +12V capacity of 39A, which is 468W.

And finally, the 520W SeaSonic S12II and M12II units have a +12V capacity of 40A which is 480W.

If all of these PSUs were to be rated based on their "peak" capability, then all of them would be 625W, 650W, and higher.

Now, Guru3D's test system pulled about 340W from their PSU which would come out to be 490W if I add 150W. This means that even a 500W continuous-rated PSU would have enough power to run their test system with two GTS 450s in SLI under full load.
Edited by TwoCables - 10/11/11 at 2:09am
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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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... 
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Reply
post #19 of 21
Quote:
Originally Posted by TwoCables View Post
This means that even a 500W continuous-rated PSU would have enough power to run their test system with two GTS 450s in SLI under full load.
It's obvious at this point that you absolutely lose sleep over the notion that some person who happens to be on the same forum as you could possibly use a PSU with 100w (rated) in reserve.

I said the PSU's you recommended are perfectly fine; what more do you want?

Geezz.
post #20 of 21
Quote:
Originally Posted by jlells01 View Post
It's obvious at this point that you absolutely lose sleep over the notion that some person who happens to be on the same forum as you could possibly use a PSU with 100w (rated) in reserve.

I said the PSU's you recommended are perfectly fine; what more do you want?

Geezz.
Everything I have done and said so far is purely for the benefit of Lq Cloud, his friend (and now also you).



Edit: Plus, Lg Cloud said that his friend will only shop from Newegg.ca. The GS600 is $89.99 before shipping at Newegg.ca and it is a non-modular PSU. The 550W Antec TruePower New is $74.99 shipped and is partially modular.
Edited by TwoCables - 10/11/11 at 2:26am
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
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