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Melted and smoking power supply cable?! gtx 480 sli

post #1 of 10
Thread Starter 
So I recently got a gtx 480 sli and a Raidmax RX-1000AE 1000watt power supply. My cpu i7-2600k was overclocked at 4.5 ghz with 1600mhz memory. I put in the power supply and the gtx 480 sli. Everything looked stable and was playing awesome on crysis till 20 min later.. Power cable starts smoking and the outside shield starts melting and merges onto other cables. I turned it off as soon as I can. I replaced the power cable with a thicker size cable and put back the cpu clock to stock. Anyone have any idea what can be the cause. What I am thinking is power supply is working too hard due to overclocking.
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post #2 of 10
That's a Raidmax for you.

Also if a very efficient PSU is what you were after, Raidmax lies. That unit may even be a step below 80+ Bronze.
Edited by jagz - 10/23/11 at 4:41pm
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post #3 of 10
Crap Power Supply...
Just cause it say 1000watt doesn't mean it can really do it.
Also likely less then 70% efficiency.
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post #4 of 10
Thread Starter 
Figured. Damn. I hate how my gtx 480 sli is getting bottlenecked by my cpu lol.
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post #5 of 10
The psu is likely drawing to much power for the cable. Your going to need a Thicker cable.
Edited by Wabbits - 10/23/11 at 5:15pm
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post #6 of 10
Quote:
Originally Posted by Wabbits View Post
The psu is likely drawing to much power for the cable. your going to need a 13-14AWG cord. most cables that come with psu's are only 10AWD.

http://www.newegg.com/Product/Produc...82E16812120852

Edit: your not bottle-necked.
Yeah this, its is not entirely related to being a poor quality PSU but the thickness of the power cable itself. I say this because a user on here about a week ago had the same issue, but with a higher quality PSU, and its also more common among anything that breaks 1KW
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post #7 of 10
Thread Starter 
Wish me luck. I am about to try it at 4.5ghz lol.. but im scared lol
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i7-3770k asus z77 sabretooth geforce gtx titan 16gb corsair dominator platinum @1866ghz 
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128gb ssd h80i windows 7 x64 ips dell u2412m 
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post #8 of 10
Thread Starter 
can you link me to the other guy that had the same problem.
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My Comp
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CPUMotherboardGraphicsRAM
i7-3770k asus z77 sabretooth geforce gtx titan 16gb corsair dominator platinum @1866ghz 
Hard DriveCoolingOSMonitor
128gb ssd h80i windows 7 x64 ips dell u2412m 
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steelseries 7g corsair ax1200 corsair 650d logitech g9x 
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corsair mouse pad asus sonar stx 
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post #9 of 10
regular and cheapo PSU are packing with a 16ga power cable. For high performance systems with higher amperage draw, a 14ga cable is what you need...
My XFX 850 came with a thick 14ga cable....
post #10 of 10
That PSU actually didn't review that bad: http://www.hardocp.com/article/2011/..._supply_review


However, did Raidmax change the OEM/design without changing the name? (Would not be surprised.)
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