i have a new build pc that shutsoff suddenly without warning some time immediately or in few minuts when i play games like wot on max or use 3dmark11. my build is:
(all brand new and nothing is overkloced by me)
-Asrock z77 extreme4 mob
-windowa 7 ultimate 32bit
-i5 3570k with freezer 13 cpu fan
-seagate parracuda 1tb 7200rpm 64mb cash SATA3
-8gb corsair vengeance low profile 1600 mhz (4+4)
-Creative Sound Blaster X-Fi Surround 5.1 Pro (USB Sound Card)
-Asus GTX660 TI-DC2O-2GD5
-bequiet psu pure power l8 600w,80+, with 2 +12 rails each can provide 30 amps alone or 45 amps together up to 540w on the rails.
http://www.bequiet.com/en/powersupply/388
first i looked up my temps and all were fine my cpu at full load with prime95 stress test was at 55c max and my gpu with furmark stress test OpenGL was at 75c max.
each of these stress tests works alone with no problems or errors at all but when i start them both at the same time the pc shutsoff with no warning and restart. 3dmark 11 can cause the same shutdown when i run it alone.
i tryed removing one of the ram sticks (in bios running at 1333)to see if its a memory thing but with no luck i also instaled and reinstaled graphic and sound drivers up to date and older ones but didnt help ,i also tryed reconnicting the power cables and made sure that the graphic card is properly instaled in its place and the problem still there.
i really need to know what is wrong because i bought the components from deffernt shops so i need to know what is failing if its a hardware probleme so i can replace it.
i need your knowledge and experience guys , every thought is highly appreciated.
(all brand new and nothing is overkloced by me)
-Asrock z77 extreme4 mob
-windowa 7 ultimate 32bit
-i5 3570k with freezer 13 cpu fan
-seagate parracuda 1tb 7200rpm 64mb cash SATA3
-8gb corsair vengeance low profile 1600 mhz (4+4)
-Creative Sound Blaster X-Fi Surround 5.1 Pro (USB Sound Card)
-Asus GTX660 TI-DC2O-2GD5
-bequiet psu pure power l8 600w,80+, with 2 +12 rails each can provide 30 amps alone or 45 amps together up to 540w on the rails.
http://www.bequiet.com/en/powersupply/388
first i looked up my temps and all were fine my cpu at full load with prime95 stress test was at 55c max and my gpu with furmark stress test OpenGL was at 75c max.
each of these stress tests works alone with no problems or errors at all but when i start them both at the same time the pc shutsoff with no warning and restart. 3dmark 11 can cause the same shutdown when i run it alone.
i tryed removing one of the ram sticks (in bios running at 1333)to see if its a memory thing but with no luck i also instaled and reinstaled graphic and sound drivers up to date and older ones but didnt help ,i also tryed reconnicting the power cables and made sure that the graphic card is properly instaled in its place and the problem still there.
i really need to know what is wrong because i bought the components from deffernt shops so i need to know what is failing if its a hardware probleme so i can replace it.
i need your knowledge and experience guys , every thought is highly appreciated.
The only review I found of a 600w Psu by them isn't bad. Not the same model, but probably not any worse than a tier 3. It sounds like a heat issue though, but if what you are saying is correct, that doesn't make any sense. 
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