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post #11 of 33
Thread Starter 
25 IBT passes, and still going...

Bah, I still can't believe that the PSU is to blame for this problem... Good PSUs are too expensive

Quote:
Originally Posted by TwoCables View Post
Additionally, overclocking an Intel CPU shouldn't be done until decent cooling is acquired.
I have an aftermarket heatsink: After 1+ hour of IntelBurnTest running, the max temperature was 60°C, which doesn't look bad to me
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post #12 of 33
Quote:
Originally Posted by Stonos View Post
25 IBT passes, and still going...

Bah, I still can't believe that the PSU is to blame for this problem... Good PSUs are too expensive
A good PSU costs less than an entirely new system. Plus, all you would need is a quality 450W, and Overclock.net can help you pick one.

Quote:
Originally Posted by Stonos View Post
I have an aftermarket heatsink: After 1+ hour of IntelBurnTest running, the max temperature was 60°C, which doesn't look bad to me
I hate to say it, but if you keep this up, then the PSU could die and kill your entire system right along with it. Generic PSUs like this one have a history of doing that.
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post #13 of 33
Thread Starter 
Quote:
Originally Posted by TwoCables View Post
A good PSU costs less than an entirely new system.
True, but a new system is a new system, while a new PSU is just a PSU (if you know what I mean)

Quote:
Originally Posted by TwoCables View Post
Plus, all you would need is a quality 450W, and Overclock.net can help you pick one.
Will it be able to handle my GTX560?

Quote:
Originally Posted by TwoCables View Post
I hate to say it, but if you keep this up, then the PSU could die and kill your entire system right along with it. Generic PSUs like this one have a history of doing that.
I normally don't have the overclock enabled, because of this problem. However, after I got the GTX560 (I had a GT240 before that), I've found that I didn't have a very big improvement in frame rates in some games (like Dragon Age 2), so I figured out that my CPU is the bottleneck, so I decided to experiment with overclocking again, and try to find a solution to this problem...
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post #14 of 33
Quote:
Originally Posted by Stonos View Post
True, but a new system is a new system, while a new PSU is just a PSU (if you know what I mean)
A power supply is not "just a power supply". It's the single-most important part of a modern computer, even like yours. The power supply can easily make or break the ability to keep a system stable while it's overclocked (slower graphics performance sounds like instability of some sort to me).

It's very possible to be looking at 10 different 500W power supplies only to find that just one out of those 10 can handle your system. I'm not saying 1 out of every 10 power supplies can handle your system, but instead I'm trying to emphasize the point that a PSU is not "just a PSU". It's a very critical component.


Quote:
Originally Posted by Stonos View Post
Will it be able to handle my GTX560?
Very easily, which is why I am recommending a quality 450W. You could go with a quality 500W, but meh... it's not necessary. Any quality 450W that I could recommend will have a 450W "continuous" rating, but NVIDIA's "500W" recommendation for the GTX 560 is referring to a modern PSU with a 500W "peak" rating. This means that you could probably even get away with a top-quality 400W unit, especially with a system like yours.

Quote:
Originally Posted by Stonos View Post
I normally don't have the overclock enabled, because of this problem. However, after I got the GTX560 (I had a GT240 before that), I've found that I didn't have a very big improvement in frame rates in some games (like Dragon Age 2), so I figured out that my CPU is the bottleneck, so I decided to experiment with overclocking again, and try to find a solution to this problem...
I've seen people tell me that they believe a slight lack of power can reduce a graphics card's performance. However, I believe that it may also be caused by the rest of the PSU - not just its capacity (or lack thereof).
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post #15 of 33
Thread Starter 
Can you recommend any affordable PSU that will work for me? I doubt that I'll upgrade any time soon, but it would be nice to know...
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post #16 of 33
Quote:
Originally Posted by Stonos View Post
Good PSUs are too expensive
This is the typical thinking that gets new builders/overclockers into trouble. You paid good money for that 560, why would you trust an old POS power supply to feed it?

PSU is the most important part of any successful system.
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post #17 of 33
I've never heard of a PSU slowing gpu performance. WTH guys. If his psu wasn't up for the task it would shut off, and he would get random reboots while under intensive 3D stress.


Do a vantage or 3dm11 run. both stock and overclocked. Also you can overclock on the stock cooler if you want. Again, don't listen to these fellas. You just won't be able to obtain your maximum overclocks, but overclocking on the stock cooler can be done reliably.

If it's his PSU i'll eat my own post. I still suspect placebo.
Edited by JeremiahTheBullfrog - 3/14/11 at 8:10am
post #18 of 33
Quote:
Originally Posted by Stonos View Post
Can you recommend any affordable PSU that will work for me? I doubt that I'll upgrade any time soon, but it would be nice to know...
I don't know of any retailers in Greece or of any that ship to Greece (but there have to be a few really good ones), but here are a few that I know of:
  • Silverstone ST45SF (450W)
  • Corsair VX450
  • SeaSonic S12II 430B
  • Silverstone Strider Plus ST50F-P (500W)
  • Silverstone ST50F-ES (500W)
  • SeaSonic M12II 520 (520W)
  • Antec TruePower New TP-550 (550W)
  • SeaSonic S12II 520 (520W)

This is in completely random order.

You can pick any of these and you would absolutely have enough power as well as a PSU that can handle overclocking with no problems. Some of these are a little better than others, but they're like the difference between night and day when compared to your current PSU.

Quote:
Originally Posted by JeremiahTheBullfrog View Post
I've never heard of a PSU slowing gpu performance. WTH guys. If his psu wasn't up for the task it would shut off, and he would get random reboots while under intensive 3D stress.


Do a vantage or 3dm11 run. both stock and overclocked. Also you can overclock on the stock cooler if you want. Again, don't listen to these fellas. You just won't be able to obtain your maximum overclocks, but overclocking on the stock cooler can be done reliably.
I think that people should not listen to someone who openly says "don't listen to these fellas".

I did not say that I experienced slower graphics card performance due to a lack of power: it's just something that I think I remember being told here on Overclock.net. However, I did indeed confidently say that I think it's due to more than just a lack of power.

Finally: which power supply brand and model do you have? Do you know which one Stonos has?
Edited by TwoCables - 3/14/11 at 8:12am
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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 #19 of 33
Quote:
Originally Posted by TwoCables View Post
I think that people should not listen to someone who openly says "don't listen to these fellas".

I did not say that I experienced slower graphics card performance due to a lack of power: it's just something that I think I remember being told here on Overclock.net. However, I did indeed confidently say that I think it's due to more than just a lack of power.

Finally: which power supply brand and model do you have? Do you know which one Stonos has?
He should ignore what I said in favor of your opinion due to my choice of words? Since you openly admitted you had no experience in the advice you were giving him to fix the problem I'd say you are more damaging than my word usage. He could end up replacing something he doesn't need to be replacing as opposed to trying to read with a dialect.

What does my choice of power supply have to do with the information I've provided him? I've had experience with faulty, inadequate power supplies trying to do more work than designed, and you're basing your advice off something you heard somewhere.
Edited by JeremiahTheBullfrog - 3/14/11 at 8:40am
post #20 of 33
Thread Starter 
Thanks for the list. From the products that you listed, I could only find the Corsair PSU here, and unfortunately it is a bit expensive (€80).

@JeremiahTheBullfrog: I also doubt that the PSU is the problem, but I don't know what to try
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