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My PSU blew up. need to buy a new one

post #1 of 41
Thread Starter 
Hi guys.
I have the following machine:
Pentium D 805, Freezer 7 pro cooling
2x512mb ram DDR II 667 - Kingston Value.
Gigabyte 8I945P-G-RH motherboard
Leadtek winfast 7600gs
1 Hitachi harddrive - 160gb SATA II
1 Nec DVD burner
2 more case fans + leds.

I had this machine overclocked and running fine until yesterday at 3.5GHz(175FSB). Yesterday I tried overclocking it to 3.8GHz(190FSB).
After 30 mins in prime95, my PSU just blew up, literally.
I had ColorsIT 480W Powersupply.

I want to buy a new PSU, but I'm little tight in budget, so I'm looking into the cheaper stuff like HEC/FSP/Topower.

I want to buy a PSU that will hold this machine with a 4ghz overclock which is even a bit higher. What I really don't get is how exactly THG people were able to run an even more power consuming machine than mine, which was also overclocked to 4.1GHz! They did it with a GENERIC 480W PSU.

If my PSU died at 3.8ghz, how were they able to run 4.1ghz with a generic PSU which has the same Wattage as mine did? I doubt their PSU was able to supply true 480w, since even the most quality PSUs tend to only supply 70-75% at peak.

This information was taken from this link:
http://www.tomshardware.com/2006/05/...es/page14.html

I'm a bit confused. This really doesn't makes sense to me at all. I'd appreciate it if you could help.

With Regards,
Guy
My System
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Intel P-D 805 2.66@3.8GHz Gigabyte GA-8I945P-G-RH Leadtek 7600GS Kingston 1GB ddr2 667 
Hard DriveMonitorPowerCase
Hitachi SATA2 160GB NEC Accusync LCD 72vm Enermax Liberty 400W My cool modded case :) 
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My System
(13 items)
 
  
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Intel P-D 805 2.66@3.8GHz Gigabyte GA-8I945P-G-RH Leadtek 7600GS Kingston 1GB ddr2 667 
Hard DriveMonitorPowerCase
Hitachi SATA2 160GB NEC Accusync LCD 72vm Enermax Liberty 400W My cool modded case :) 
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post #2 of 41
Well the hyper type r modulars are offordable and cheap......but it depends on what budget ur on, if it is indeed quite tight. i recommend a fairly decent antec. But dont forget even modulars can be quite good......lol cant believe i jus sed that. You could have had two identical systems and one blew the other didn't. Its all about that certain psu, not the same make. If that made sense....
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post #3 of 41
what is your max price? Sunbeam nuuo 550w is a good price/performance point.


not all psus are created equally. And you said yourself that you ran your psu for quite some time. They probably used a new psu for their tests and it held up long enough to get the benchmarks in and call it a day. That's all they needed.
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WD 640GB & Samsung F1 750Gb LG BD & HD Windows 8 Pro x64 HP w2207 
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post #4 of 41
Thread Starter 
It's hard to say what's my max price is because I live outside the US. Prices are higher here, and I don't have the variety you have.

I've been checking HEC/FSP/Topower PSUs which at around 450-500w are suitable for my price. However, I'm really not sure if they can hold my machine with 4ghz overclock - for a long time, and not just for benchmarks.

what do you guys think?
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel P-D 805 2.66@3.8GHz Gigabyte GA-8I945P-G-RH Leadtek 7600GS Kingston 1GB ddr2 667 
Hard DriveMonitorPowerCase
Hitachi SATA2 160GB NEC Accusync LCD 72vm Enermax Liberty 400W My cool modded case :) 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel P-D 805 2.66@3.8GHz Gigabyte GA-8I945P-G-RH Leadtek 7600GS Kingston 1GB ddr2 667 
Hard DriveMonitorPowerCase
Hitachi SATA2 160GB NEC Accusync LCD 72vm Enermax Liberty 400W My cool modded case :) 
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post #5 of 41
Quote:
Originally Posted by soloz2 View Post
what is your max price? Sunbeam nuuo 550w is a good price/performance point.


not all psus are created equally. And you said yourself that you ran your psu for quite some time. They probably used a new psu for their tests and it held up long enough to get the benchmarks in and call it a day. That's all they needed.
Yes! I am getting the 550 nuuo. Seems quite efficient for you. I cant wait till mine comes in!
    
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post #6 of 41
FOr buget, i suggest the Sunbeam NUUO 550W, great performance for a low price! I am using one now.

*edit* sry for the newegg link, u are from Israel, but you know what it is!
post #7 of 41
look for the nuuo, you can get it overseas
Darkness
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CPUMotherboardGraphicsRAM
Q6600 G0 Gigabye GA-EP45-UD3P EVGA GTX660 8GB G.Skill PK 
Hard DriveOptical DriveOSMonitor
WD 640GB & Samsung F1 750Gb LG BD & HD Windows 8 Pro x64 HP w2207 
KeyboardPowerCaseMouse
FILCO FKBN87M/NPEK Enermax Modu82+ 525w CM 690 Logitech G9x 
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Razor Destructor ODAC 
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Darkness
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Q6600 G0 Gigabye GA-EP45-UD3P EVGA GTX660 8GB G.Skill PK 
Hard DriveOptical DriveOSMonitor
WD 640GB & Samsung F1 750Gb LG BD & HD Windows 8 Pro x64 HP w2207 
KeyboardPowerCaseMouse
FILCO FKBN87M/NPEK Enermax Modu82+ 525w CM 690 Logitech G9x 
Mouse PadAudio
Razor Destructor ODAC 
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post #8 of 41
Where does the comment come from that quality PSUs deliver only 70%-75% of the rated Wattage??

Does this fit your budget?
Enermax EG565P-VE FMA II 535W
    
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250GB WD SATA None Windows XP Pro 32-bit HP Pavilion f1703 
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post #9 of 41
Well as you arnt running either SLI or CF I would have to say that the Hiper Type R is a PSU that would serve you well and is affordable. :
post #10 of 41
Thread Starter 
Chozart: Nevermind that. I mixed up efficiency with actual wattage delivery. About the one you offered - it's a bit too expensive for me(atleast here in Israel).

ENTERPRISE1701: I don't have that PSU in Israel. No distributer here.

This is really ironic.
The sunbeam looks great, but I can't find it in Israel.
Sending a PSU overseas is not too clever, since it will make it cost almost twice.

This is really ironic since my parents came back from the US just a week ago.

I'm still not sure which PSU to get. According to this test: http://www.extreme.outervision.com/PSUEngine

I need a 670W PSU atleast, with 32A on the 12v rail. This is really outrageous. I heard this site has good calculations, but really, this is just impossible is it?

According to tomshardware a stronger machine than mine, with the P-D 805 overclocked to 4GHz, only takes 400w.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel P-D 805 2.66@3.8GHz Gigabyte GA-8I945P-G-RH Leadtek 7600GS Kingston 1GB ddr2 667 
Hard DriveMonitorPowerCase
Hitachi SATA2 160GB NEC Accusync LCD 72vm Enermax Liberty 400W My cool modded case :) 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel P-D 805 2.66@3.8GHz Gigabyte GA-8I945P-G-RH Leadtek 7600GS Kingston 1GB ddr2 667 
Hard DriveMonitorPowerCase
Hitachi SATA2 160GB NEC Accusync LCD 72vm Enermax Liberty 400W My cool modded case :) 
  hide details  
Reply
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