I am currently RMA'ing my third Corsair power supply for my son's computer. I have been able to find the cause of the problem. I am hoping someone can help me find the root of this problem instead of just keep replacing the power supplies.
The current system build (http://pcpartpicker.com/list/LmYYgL):
PSU: Corsair RM1000x [CP-9020094-NA]
CPU: FX-9370 [FD9370FHHKWOF]
CPU Cooler: Corsair H100i
GPU: GeForce GTX 750TI Superclocked [02G-P4-3753-KR]
Memory: 8GB (2x4GB) Crucial Ballistix Sport [BLS2KIT4G3D1609DS1S00]
Motherboard: Gigabyte GA990FXA-UD3 (Rev. 4.0)
OS: Windows 7 Home Premium 64-Bit
Optical Drives: 2xAsus DRW [DRW-24B1ST]
HDD: 1TB Seagate Barracuda [ST1000DM003]
Case: Corsair Carbide Series 300R Windowed [CC-9011017-WW]
Case Fans: 4x140mm and 1x120mm Spectre Pro LED Fans (w/o PWM)
UPS: Tripp-Lite 750VA 450W [Internet750U]
The original build had a FX-6350 CPU and Freezer Pro CPU cooler with a CX500 PSU. The PSU failed within two months and the replacement (cash warranty) was stepped up to a RM1000. This PSU failed about one year later. The replacement PSU (exchange warranty) showed up as a RM1000x. At this time, I also I had Gigabyte test my motherboard with "no failures in multiple configurations." I added the UPS although my Fluke showed no signs of voltage drops or spikes in any of my receptacles over a 24 hour period. I also upgraded the FX-6350 CPU with the current FX-9370 and the Freezer Pro cooler with the current Corsair H100i. It has only been one month and the PSU is failing again. First, the PC wouldn't turn on in the morning. After cycling the PSU switch I got it to turn on. About two hours later everything abruptly shutdown. The cycle repeats. The shutdowns do not seem to be affected by gamer load or simply sitting idle. The previous PSU's had the same symptoms.
So far I have tried disconnecting the case fans (while keeping an eye on the temps that never went up much). I tried disconnecting everything and "jumper run" just the PSU and it never shutdown. Dust inside the computer or on the case is nearly unnoticeable.
I have monitored the BIOS readings, HWiNFO64 (v5.34-2930), Speedfan, and CorsairLink readings. All readings appear stable and correct except the following. In SpeedFan and CorsairLink (BIOS does not show this sensor) I have seen the MB Temp#2 reach temperatures of 70 C (idle) while all other temperatures remain in the 30-40 C range. I'm not 100% sure but this is possibly the Northbridge heat sink?. With HWiNFO64 (set at 500ms or 1/2 second samples) I notice the MB readings are not what I would expect. The voltage out of the MB (VR VOUT) has a 31.978 volt max (occasional spikes). I don't think it is even possible for the voltage to get that high, so I tend to think it is likely a software glitch.
A lot of information I'm hoping someone is willing to to go through to help me with my reoccurring PSU failures. Any help would be greatly appreciated. I'm willing and able to consider multiple theories or to test out anyone's ideas.
P.S. I don't mean to be rude, but I do not need responses of what components or brands I should have gotten or should add-on to the current build. This would be in no way helpful. My wife has been enjoying almost the identical setup with a higher tier graphics card and less case fans.
The current system build (http://pcpartpicker.com/list/LmYYgL):
PSU: Corsair RM1000x [CP-9020094-NA]
CPU: FX-9370 [FD9370FHHKWOF]
CPU Cooler: Corsair H100i
GPU: GeForce GTX 750TI Superclocked [02G-P4-3753-KR]
Memory: 8GB (2x4GB) Crucial Ballistix Sport [BLS2KIT4G3D1609DS1S00]
Motherboard: Gigabyte GA990FXA-UD3 (Rev. 4.0)
OS: Windows 7 Home Premium 64-Bit
Optical Drives: 2xAsus DRW [DRW-24B1ST]
HDD: 1TB Seagate Barracuda [ST1000DM003]
Case: Corsair Carbide Series 300R Windowed [CC-9011017-WW]
Case Fans: 4x140mm and 1x120mm Spectre Pro LED Fans (w/o PWM)
UPS: Tripp-Lite 750VA 450W [Internet750U]
The original build had a FX-6350 CPU and Freezer Pro CPU cooler with a CX500 PSU. The PSU failed within two months and the replacement (cash warranty) was stepped up to a RM1000. This PSU failed about one year later. The replacement PSU (exchange warranty) showed up as a RM1000x. At this time, I also I had Gigabyte test my motherboard with "no failures in multiple configurations." I added the UPS although my Fluke showed no signs of voltage drops or spikes in any of my receptacles over a 24 hour period. I also upgraded the FX-6350 CPU with the current FX-9370 and the Freezer Pro cooler with the current Corsair H100i. It has only been one month and the PSU is failing again. First, the PC wouldn't turn on in the morning. After cycling the PSU switch I got it to turn on. About two hours later everything abruptly shutdown. The cycle repeats. The shutdowns do not seem to be affected by gamer load or simply sitting idle. The previous PSU's had the same symptoms.
So far I have tried disconnecting the case fans (while keeping an eye on the temps that never went up much). I tried disconnecting everything and "jumper run" just the PSU and it never shutdown. Dust inside the computer or on the case is nearly unnoticeable.
I have monitored the BIOS readings, HWiNFO64 (v5.34-2930), Speedfan, and CorsairLink readings. All readings appear stable and correct except the following. In SpeedFan and CorsairLink (BIOS does not show this sensor) I have seen the MB Temp#2 reach temperatures of 70 C (idle) while all other temperatures remain in the 30-40 C range. I'm not 100% sure but this is possibly the Northbridge heat sink?. With HWiNFO64 (set at 500ms or 1/2 second samples) I notice the MB readings are not what I would expect. The voltage out of the MB (VR VOUT) has a 31.978 volt max (occasional spikes). I don't think it is even possible for the voltage to get that high, so I tend to think it is likely a software glitch.
A lot of information I'm hoping someone is willing to to go through to help me with my reoccurring PSU failures. Any help would be greatly appreciated. I'm willing and able to consider multiple theories or to test out anyone's ideas.
P.S. I don't mean to be rude, but I do not need responses of what components or brands I should have gotten or should add-on to the current build. This would be in no way helpful. My wife has been enjoying almost the identical setup with a higher tier graphics card and less case fans.
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