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Opinions on OCZ ZX Series 1250W

post #1 of 11
Thread Starter 
Well, I have to get a new PSU since my 750W can barely handle my setup - I actually had to return everything to stock to be safe.

What are your thoughts on the "OCZ ZX Series 1250W"? Do you know of other great deals for other 1000+W PSUs going on in other Canadian retailers?
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post #2 of 11
You shouldn't be having power issues. What were the symptoms?
post #3 of 11
I never thought you'd be a member here lol

another corsair is out of the question?
post #4 of 11
Thread Starter 
Quote:
Originally Posted by Phaedrus2129 View Post
You shouldn't be having power issues. What were the symptoms?
Games or GPU tests freeze, there is absolutely no way to unfreeze the PC, and no BSODs come.

When I visit the Event Viewer after a cold shutdown, it says Event ID 41, source: Kernel-Power, task category 63, which is apparently due to a PSU issue.

And these are the trials I did; the CPU/GPU overclock combination froze the system quickly. When I lowered my CPU overclock and returned my GPUs to stock, it worked. When I tried overclocking the GPUs with my lowered CPU overclock it didn't. When I returned my CPU to stock, and overclock my GPUs to the previous overclocks, the system did not freeze. So I came up with the conclusion that wattage is my limitation.

Also, I only had this PSU for 5 months, and I took care of it well using it only to power a 6870 crossfire system. So I can't understand why it wouldn't work. I mean the TX750 supposedly can safely give 900W and my system with everything at 100% load should not go over ~800W.


Quote:
Originally Posted by Cyclonicks View Post
I never thought you'd be a member here lol

another corsair is out of the question?
No, but there are currently no good deals on Corsair atm.
Also, do I know you?
Edited by born2bwild - 4/7/11 at 3:09pm
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post #5 of 11
The system has no idea what the PSU is doing, except through motherboard voltage sensors, which are usually inaccurate, and Windows does not utilize those. "Kernel-Power" being attributed to the PSU is a guess at best, by a programmer who wrote the code years ago and has never seen your PC or its specs.


I bet you your CPU overclock was just unstable and you need more Vcore.
post #6 of 11
Thread Starter 
Quote:
Originally Posted by Phaedrus2129 View Post
The system has no idea what the PSU is doing, except through motherboard voltage sensors, which are usually inaccurate, and Windows does not utilize those. "Kernel-Power" being attributed to the PSU is a guess at best, by a programmer who wrote the code years ago and has never seen your PC or its specs.


I bet you your CPU overclock was just unstable and you need more Vcore.
I had my CPU overclocked for nearly 5 months, with absolutely no issue... And keep in mind, I also do a lot of video encoding in addition to gaming and when I first overclocked my CPU, I ran prime95 for a good 20 hours to check.

It might be my GPU, but then again, why does my system experience no issues when the GPU is overclocked but the CPU is not?
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iMac 5k Late 2015
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The Overlord
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i7 6700K Custom Apple Motherboard AMD Radeon R9 M395X 4GB 16GB 1867Mhz DDR3 
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post #7 of 11
CPUs can degrade a bit, especially when overclocked as high as yours is. After months of running at a given voltage they may become unstable until given more. I've experienced this with both my E2200 and Q9550. It could also be attributed to motherboard degradation.

Power supplies generally do not degrade in a matter of months, especially well-built ones like your TX750 is (though there are certainly better options it's still a quality piece of kit). And if you didn't have any issues back then why would you assume your PSU is the culprit now, rather than something else?
post #8 of 11
Quote:
Originally Posted by born2bwild View Post
No, but there are currently no good deals on Corsair atm.
Also, do I know you?
I may have jumped to conclusions about your identity based on your location and username.. sorry about that
post #9 of 11
Thread Starter 
Quote:
Originally Posted by Phaedrus2129 View Post
CPUs can degrade a bit, especially when overclocked as high as yours is. After months of running at a given voltage they may become unstable until given more. I've experienced this with both my E2200 and Q9550. It could also be attributed to motherboard degradation.

Power supplies generally do not degrade in a matter of months, especially well-built ones like your TX750 is (though there are certainly better options it's still a quality piece of kit). And if you didn't have any issues back then why would you assume your PSU is the culprit now, rather than something else?
Well, I will look into my overclocks...
Theoretically, based on your extensive knowledge in the field of PSUs, should I have any problems operation my system with a 880/2200Mhz overclock @1.075V on my GPUs given that every overclock is stable?
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Logitech G35 Altec Lansing 2.0 7 Scythe Ultra Kaze fans @ 3000rpm Scythe Kaze Fan controller 
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iMac 5k Late 2015
(11 items)
 
The Overlord
(25 items)
 
 
CPUMotherboardGraphicsRAM
i7 6700K Custom Apple Motherboard AMD Radeon R9 M395X 4GB 16GB 1867Mhz DDR3 
Hard DriveHard DriveOSMonitor
3TB Apple Fusion Drive 4TB WD Elements External Drive Mac OS X 5120‑by‑2880, 10-bit IPS 
KeyboardMouseAudio
Apple Magic Keyboard Apple Magic Trackpad 2, Razer Deathadder 2013 Bose Companion 2 Series iii 
CPUMotherboardGraphicsRAM
i7 970 @ 4.4 Ghz Asus P6X58D-E EVGA GTX 680 SLI @ 1200Mhz 12GB Corsair DDR3 1600Mhz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Pro SSD 2 * 1TB WD Black 5 * 2TB Hitachi LaCie 1TB External HDD 
Optical DriveCoolingOSMonitor
LG BD Combo Corsair H70 Windows 8 64-bit HP ZR30W (2560*1600) 
KeyboardPowerCaseMouse
Logitech 920-000914 OCZ ZX 1250W CM 690 II Advanced Logitech G500 
Mouse PadAudioAudioAudio
Razer Goliathus Audez'e LCD-2 Schiit Lyr + NuForce HD DAC Blue Yeti Microphone 
AudioAudioOtherOther
Logitech G35 Altec Lansing 2.0 7 Scythe Ultra Kaze fans @ 3000rpm Scythe Kaze Fan controller 
Other
Logitech C900 Webcam 
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Intel Core i5-6360U 1536MB Iris Graphics 540 8GB RAM 256GB SSD 
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Mac OS X 2560-by-1600 resolution IPS display 
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post #10 of 11
Theoretically no, with a typical heavy gaming or folding load you'd be looking at around 550-600W. Using Furmark+LinX you might run 700W with peaks around 730-750W. Nothing the PSU shouldn't be able to handle, especially considering you probably don't run those two programs constantly.
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