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Corsair HX1200i makes my USB to reboot during heavy load.

sblantipodi said:
That article refers to the previous HX1200i.
I have the new HX1200i model, they are similar but different PSUs.

My previous HX1200i (older model) exploded during a water loop test with only the Corsair pump connected.
It seems a known issue on the internet, at least if you search the internet there are a lot of posts of people with an exploded HX1200i during a water loop test.
I even wrote to Corsair when it happened asking them to inform users if this is a known issue because it's not good to see a PSU exploding on a PC that costs nearly 8000 euros without the monitor. XD
They said thanks, but not commented the problem.

Some people says that the problem depends on the fact that hx1200i was not able to handle high load on 5V/12V when no other load is connected on the main output, like in a water loop test.
Don't know if it has sense, I know that that PSU worked well for three years on a air cooled system with an aio, when I switched to a full loop, with the first water cool test with only the pump connected, it exploded after some hours.

But this is another problem and it's not related to this.
Just to say that I was having hard time with Corsair recently.

But I continue to love them.
My first Corsair product was a DDR (1) module.
Click to expand...

ROFL, mine was also exploded during water loop test when it only run a single pump.
I wonder why and how?
But the bug im talking about is that a New PSU wont even boot the system or boot and than crash
The PSU I received as replacement had this issue,so i had to replace it again.

This time I went with MSI, they also have a digital PSU with USB, i think 1200 or 1300w and 12V nvidia plug, but its like 40% shorter, the issue i always had with 1200HXi is the size
 
Viruzz said:
ROFL, mine was also exploded during water loop test when it only run a single pump.
Click to expand...
I'll open a thread to go more in depth on this without hijacking this thread. I don't want that my new HX1200i will explode on the next water loop test.

EDIT: this issue can be discussed here now :)
www.techpowerup.com

PSUs exploding during water loop test.

If you search the internet there are a lot of users with Corsair PSUs exploded during a simple water loop test, with only the water pump connected. I had the exact same problem on my "old HX1200i" that worked well until the first test with a water pump. Is this a known issue? Is there some...
www.techpowerup.com www.techpowerup.com
 
sblantipodi said:
I'll open a thread to go more in depth on this without hijacking this thread. I don't want that my new HX1200i will explode on the next water loop test.
Click to expand...
It won't. Completely different platform.

And the old HXi didn't have digital control at all. Just the data output.

But the reason the old one blew up is the same reason almost any other PSU would have blown up. 99% of PSUs out there doing have a heatsink or thermistor on the minor rails, so if you just load the minor rails and not the 12V for an extended amount of time, they will eventually overheat. That's why the newer Corsair PSUs have such a high fan RPM when the minor rails are loaded. It's to keep them cool. A lot of people that "don't get it" complain about the noise (especially when they have a lot of RGB, which uses a lot of+5V), but I'd rather have a loud PSU than an exploding one.
 
jonnyGURU said:
It won't. Completely different platform.

And the old HXi didn't have digital control at all. Just the data output.

But the reason the old one blew up is the same reason almost any other PSU would have blown up. 99% of PSUs out there doing have a heatsink or thermistor on the minor rails, so if you just load the minor rails and not the 12V for an extended amount of time, they will eventually overheat. That's why the newer Corsair PSUs have such a high fan RPM when the minor rails are loaded. It's to keep them cool. A lot of people that "don't get it" complain about the noise (especially when they have a lot of RGB, which uses a lot of+5V), but I'd rather have a loud PSU than an exploding one.
Click to expand...
I feel safe when Jonny works at the company that produces my PSU. :)
Thanks for the kind explanation, much appreciated.
 
How much is a heatsink? Pennies for mass production?

Imagine putting a fan on a fanless designed PSU. It would last forever.

It's also interesting that the 12VO motherboards that just take 12v don't have heatsinks on the 3 and 5 rails. Does that mean they will pop with enough RGB as well?
 
I have the exact same problem with the exact same power supply. I gave up and just turned off ICUE - but never occurred to me that the power supply USB link to ICUE was the cause, and sure enough it is. This must be a ICUE issue with that power supply link. I have an Z790 Carbon Wifi motherboard.

Did you ever figure out a resolution?
 
jonnyGURU said:
Sounds like a VID/PID conflict.

Every USB device has a VID (Vendor ID) And PID (Product ID). VIDs should never conflict as they are assigned by USB.org. For example, Corsair should always be "1B1C". But if you have two devices that are from the same vendor, it is possible that the PID conflicts with another device since PIDs are assigned by the vendors themselves. When a vendor has a lot of different product lines managed by different groups (think: PSU team vs. HID team, etc.), whether the product uses iCUE or not (odds are, only one of the two as the iCUE team would have flagged two iCUE enabled devices with the same PID).

So, to troubleshoot this, use Device Manager and go to anything that is "Corsair". Go to "details" and "Hardware IDs". Make note of each PID and see if there are any duplicates.

IIRC, the PID for an HX1200i is 1C23.
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I have the exact same problem, with the same power supply. So this would be the Hardware ID #?
1751906323468.png
 
trumpet1544 said:
I have the exact same problem with the exact same power supply. I gave up and just turned off ICUE - but never occurred to me that the power supply USB link to ICUE was the cause, and sure enough it is. This must be a ICUE issue with that power supply link. I have an Z790 Carbon Wifi motherboard.

Did you ever figure out a resolution?
Click to expand...
the only solution is to disconnect the USB of the power supply.
disabling it via device manager is an option too...
I use a tool called USB Tree View to see what is the powersupply hardware id to disable.
 
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