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Fundamental power supply issues

jolphil

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Fundamental power supply issues
« on: January 07, 2011, 03:20:36 pm »
Hi Folks,
As I read many threads I see that the moderators and forum members, suggest that some problems may be due to to
the power supply..Many think of it just as a box that just does it's thing but it's far more important than that..I read an article that radically
changed my mind about what the power supply does in a PC..The article is somewhat long and even a bit dated but, shows from inside the the computer as to what is needed to work under various conditions and loads,including starting and stress testing..
To me the charts are the most interesting as they show verses time what demands the power supply has to endure..
I hope you find the article interesting and enlightening as I did..
Jolphil

http://www.xbitlabs.com/articles/cases/display/system-wattage_2.html

Dark Mantis

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Re: Fundamental power supply issues
« Reply #1 on: January 07, 2011, 03:26:43 pm »
Nice one jolphil.  ;) As you say it is a perrenial problem that we come across. People often buy some £15 or so PSU and expect it to work their nice new components without complaint. ::)
Gigabyte X58A-UD7
i7 920
Dominators 1600 x6 12GB
6970 2GB
HX850
256GB SSD, Sam 1TB, WDB320GB
Blu-Ray
HAF 932

Gigabyte Z68X-UD5-B3
i7 3770K
Vengeance 1600 16GB
6950 2GB
HCP1200W
Revo Drive x2, 1.5TB WDB RAID0
16x DLRW
StrikeX S7
Full water cooling
3 x 27" Iiy

absic

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  • Never give up; Never surrender!
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Re: Fundamental power supply issues
« Reply #2 on: January 07, 2011, 03:30:40 pm »
Yes, strange to believe but it is amazing how many people still don't consider the PSU when planning to build their new computers or even when upgrading.
For me it is the most essential part of a good PC.
Remember, when all else fails a cup of tea and a good swear will often help! It won't solve the problem but it will make you feel better.

jolphil

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Re: Fundamental power supply issues
« Reply #3 on: January 07, 2011, 03:39:31 pm »
Hi Guys thanks for moving this where it should be..
jolphil :)

bytheway_r

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Re: Fundamental power supply issues
« Reply #4 on: January 07, 2011, 04:58:08 pm »
This is all, to some extent, caused by increased stress on every component of a PC compared to how it was years ago. I've once seen a video showing how CPUs from different generations behaved when the heatsink was removed ( some game was on ). The earliest just stopped working while the last ones they tested died in a fire while reaching temps in the hundreds.

Nowadays a performance oriented PC requires really good airflow, aftermarket heatsink on the CPU and often GPU plus a good quality PSU to deliver all those watts without problem. It's a good thing manufacturers noticed that it may be a good idea to make their products more energy efficient lately. I mean, DX 10 gen. of GPUs reached some bizzare load consumption values. 4870x2 with it's close to 400W maximum ( over 200W average? ) was kinda scary.

Dark Mantis

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Re: Fundamental power supply issues
« Reply #5 on: January 07, 2011, 05:12:56 pm »
At least they kept you warm in the winter ;)
Gigabyte X58A-UD7
i7 920
Dominators 1600 x6 12GB
6970 2GB
HX850
256GB SSD, Sam 1TB, WDB320GB
Blu-Ray
HAF 932

Gigabyte Z68X-UD5-B3
i7 3770K
Vengeance 1600 16GB
6950 2GB
HCP1200W
Revo Drive x2, 1.5TB WDB RAID0
16x DLRW
StrikeX S7
Full water cooling
3 x 27" Iiy

Re: Fundamental power supply issues
« Reply #6 on: January 07, 2011, 09:01:27 pm »
At least they kept you warm in the winter ;)

 ;D :) :D I know what you mean.

A psu for some is just an added expense.  A good quality psu will last through a few upgrades/builds, actualy will pay for it self in time as it allows you to overclock more and have cleaner more stable power delivery.  My advice is to buy a good quality psu then build your system around it.  I've always used Tagan and never had a problem.
Gigabyte P55A-UD3 / Intel i5 660 / Gigabyte HD 4870x2 / 4xOCZ Vertex raid0 / Tagan 900w / 2x2Gb G.Skill Ripjaws pc3-12800.

Dark Mantis

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Re: Fundamental power supply issues
« Reply #7 on: January 07, 2011, 09:03:53 pm »
Quote
My advice is to buy a good quality psu then build your system around it.

Couldn't agree more! ;)
Gigabyte X58A-UD7
i7 920
Dominators 1600 x6 12GB
6970 2GB
HX850
256GB SSD, Sam 1TB, WDB320GB
Blu-Ray
HAF 932

Gigabyte Z68X-UD5-B3
i7 3770K
Vengeance 1600 16GB
6950 2GB
HCP1200W
Revo Drive x2, 1.5TB WDB RAID0
16x DLRW
StrikeX S7
Full water cooling
3 x 27" Iiy