Super-flower 1000w "platinum" popped + smoke after upgrade to RX590

Dj_Jestar

Dj_Jestar

Dj_Jestar

Caporegime
Joined
18 Oct 2002
Posts
29,493
Location
Back in East London
Hello there.

6 years ago I bought a Super-flower 1000w which happily ran a 780ti for almost 5 years (the 780ti finally died in 2018.) Fast forward to this week, I bought a RX590 card, which after just a couple of days has literally popped the channel is was plugged into. The card and other channels on the PSU are still working (as well as the rest of the hardware).

Is this something that I've got wrong? Too much/little power through the channel? Is there some other kind of fault I should be looking for before I replace the PSU and use the machine again? Or just "old" PSU?

Thanks
 
No way of knowing how you had the PSU cabled up. I assume you had the new card powered via the dedicated GPU 8-pin circuit? Yes, it's possible to draw too much current from a particular channel which would cause overheating and potentially accellerate cap failure, but you would have to do something dumb like a lot of use cable splitters off one channel to do it. The component that failed should be easy to spot and replace.
 
Hmm. Think you may just have been unlucky with this one :( That's very similar to my spare PSU, Superflower 1000w Titanium, and same vintage. If you can't RMA I would definitely try to fix it - or get someone handy with a soldering iron to take a look at it.
 
What exactly gave up the smoke?

Anyway you shouldn't use split from end cables, because those increase transfer losses.
That also quadruples heating of cable and its PSU end connector compared to proper use of separate cables.
(P=IIR)
 
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