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Last time i ask about psu requirements... i promise - Page 4

post #31 of 60
Quote:
Originally Posted by TwoCables View Post
The AX850 is designed to continuously deliver 850W to a system.

So that means that it would likely be at approximately 100% while the entire system is under full load.
It's actually 840W, and despite the 50% load myth, it really isn't a good idea to be running your PSU maxed out like that. He needs a 1000W PSU with overclocking, possibly a 1200 to be safe. Hell, if he's thinking about running 4 anytime soon, he should just go ahead and get a 1500W.
post #32 of 60
Quote:
Originally Posted by Phantom_Dave View Post
Fair enough. Now "assume" that your capacitors are not going to age at all. I've yet to find a psu that didn't have aging capacitors.

I can throw some more objections to running at 100%, but that one alone should suffice.

Run your psu wherever you want. I've stuck to the sweet spot for over a decade and haven't had a single psu crap out on me.
The AX850 is designed to continuously deliver 850W with no problem.

Besides, the only time it would be at 100% is when the entire system is under completely full load (both the CPU and the GPUs). It wouldn't be at 100% 24/7.

Read the two articles I linked again. You will see that it's much better for the average power draw 24/7, 7 days a week, 52 weeks a year to come out to be roughly 50%.

So now I suppose someone might ask me why I have the HX650 to power my rig even though I only have one GTX 580 in it. Well that's simple: I got an insane deal on it nearly 2 years ago that I could not pass up.


Quote:
Originally Posted by WrathOfGod1337 View Post
It's actually 840W, and despite the 50% load myth, it really isn't a good idea to be running your PSU maxed out like that. He needs a 1000W PSU with overclocking, possibly a 1200 to be safe. Hell, if he's thinking about running 4 anytime soon, he should just go ahead and get a 1500W.
840W is just the +12V capacity. This is an 850W rated unit. It's designed to be able to continuously deliver 850W to a system. 850W is the continuous rating, not the peak rating.
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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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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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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) 
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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 #33 of 60
Quote:
Originally Posted by TwoCables View Post
The AX850 is designed to continuously deliver 850W with no problem.

Besides, the only time it would be at 100% is when the entire system is under completely full load (both the CPU and the GPUs). It wouldn't be at 100% 24/7.

Read the two articles I linked again. You will see that it's much better for the average power draw 24/7, 7 days a week, 52 weeks a year to come out to be roughly 50%.

So now I suppose someone might ask me why I have the HX650 to power my rig even though I only have one GTX 580 in it. Well that's simple: I got an insane deal on it nearly 2 years ago that I could not pass up.


840W is just the +12V capacity. This is an 850W rated unit. It's designed to be able to continuously deliver 850W to a system.
As I said, run your psu where you want. In 5 years (or less) we'll talk again and see who's psu is still going strong and who has had to replace components.
post #34 of 60
Quote:
Originally Posted by Phantom_Dave View Post
As I said, run your psu where you want. In 5 years (or less) we'll talk again and see who's psu is still going strong and who has had to replace components.
If he were to never overclock the GTX 580s, then it would be fine. The power draw while gaming would not max the PSU out.

Plus, depending on how often he even plays games, it would be drawing much less most of the time due to practically idling. I mean, how much does your system pull from your PSU when you're just sitting here on OCN instead of playing a game?

(in my defense, I know he will be overclocking the GTX 580s, so I am not trying to say that he should use the AX850 - I'm just trying to make points that need to be made)
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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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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!
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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 
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 #35 of 60
AX850 would be cutting it really really close.

I'd suggest a HX1050 or AX1200.
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post #36 of 60
Quote:
Originally Posted by Phantom_Dave View Post
As I said, run your psu where you want. In 5 years (or less) we'll talk again and see who's psu is still going strong and who has had to replace components.
yunojelly
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post #37 of 60
Quote:
Originally Posted by Kosire View Post
AX850 would be cutting it really really close.

I'd suggest a HX1050 or AX1200.
+ 1 to this idea, look at my sig i wasn't comfortable with a 700 watt PSU being pushed so hard all the time, tossed an 800 in and it's all good now.
    
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post #38 of 60
Quote:
Originally Posted by adzsask View Post
+ 1 to this idea, look at my sig i wasn't comfortable with a 700 watt PSU being pushed so hard all the time, tossed an 800 in and it's all good now.
But a quality 550-650W would be more than enough to power a system that has two 460s in it (a quality 550W would be closer to the sweet spot).
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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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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post #39 of 60
Quote:
Originally Posted by dealio View Post
LOL! I was waiting for that. Warranty does not cover downtime and hassles. Sometimes it doesn't even cover return shipping.

I'd rather spend a few extra bucks and get a bigger psu. That's all the warranty I need.
post #40 of 60
Quote:
Originally Posted by Phantom_Dave View Post
LOL! I was waiting for that. Warranty does not cover downtime and hassles. Sometimes it doesn't even cover return shipping.

I'd rather spend a few extra bucks and get a bigger psu. That's all the warranty I need.
How much power do you think my system would pull from the wall if I ran Furmark @ 1680 x 1050, full screen, 4xAA with these enabled?: Dynamic Background, Burn-in, Xtreme burn-in
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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