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XFX 750 80+ Silver "Pop" (Dead PSU)

B

B-Riz

Golden Member
About 30 secs after putting the computer to sleep Saturday night, there was a loud pop and the magic smoke was released.

Here is some backround: http://forums.anandtech.com/showpost.php?p=33917971&postcount=29

I bought it 2 years ago, and it has a 5 year warranty, I need to finish the XFX support info and see what they can do about it.

Glad I still had the Silencer 610 for backup.

Anyone have something like this happen on a high end PSU?
 
Good thing you have a backup PSU, saves some headache. This is probably the first time I've read a unit like this (i.e. Seasonic with japanese caps etc) pop. DOA cases are far more common.
 
The great thing about a Seasonic is that the protections should have worked when the PSU died 🙂
 
It might have had a bad AC feed from the power strip; but I have not had any issues in my house before. The main plug is a new 20 amp GFI with common ground wired in, as I moved the computer down to the basement.

This was the first time I have had a PSU fail like this, have been running PC Power n Cooling units since the Socket A days; and a nice Enermax before that, and all of those still work!

The worst was it being midnight thirty and going to bed not knowing if I lost the rest of the comp in the sig; if that happened, it was home ins claim...
 
Rvenger said:
The great thing about a Seasonic is that the protections should have worked when the PSU died 🙂
Click to expand...


You act like no other OEM has OCP, OVP, etc. Seasonic certainly isn't the be-all and end-all of computer power supplies. There are other OEM's that are the equal or best Seasonic routinely, such as Delta, Super Flower, Flextronics among others.

With a single rail +12V power supply like that XFX, and at the amperage a 750W unit has available to it, do the protections really do anything, because the OCP has to be set higher than the rated output and a safety margin beyond that.

So, possibly OCP kicked in, if it was needed in the first place, but only after the ps threw all 60+ amps it had down whatever line was affected. Such is the weakness of a single rail power supply.....lousy and mostly ineffective OCP.
 
Last edited:
I had a corsair tx650 v2 that died after about 1 month of use... so yes, it does happen from time to time (i learned the hard way, just like you)
 
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