GTX 590 Blows up while Overclocking? Here’s how to prevent that from happening.

Hassan Mujtaba

From Day 1 of its launch, GTx 590 has been having overheating issues due to which most of the card that went for reviewing on Major tech sites blew up.  The overheating was caused when the card was overclocked to some extent and that made people doubt if the GTX 590 offers any room at all for overclocking without itself being burned up. Shane Baxtor from TeakTown decided to give a look at this issue.

The issue seems to be with the amount of voltage being pumped in the card while overclocking which is significantly higher than the amount of voltage allows at safe levels. MSI Afterburner allows a max voltage of 1.2V which was fixed and brought down to 1.05V as MSI says that 1.2V is way out of the sage limits.

Nvidia has also stated that only a +25mV increment is the max which should be done on the stock cooler for overclocking purposes which means the max safe limit is only 963v from the default .938v. However, Nvidia is playing a bit too safe here being the manufacturer as another company tested internally at 1.000v and achieved a core clock of 840MHz and a memory clock of 4000MHz QDR. Although these are just claims and you should overclock your GPU at your own risk as messing up with the voltage is a pretty risky job.

The reviewer also says that the New Nvidia drivers have played no role in protecting the card from this issue and are useless, The problem still exists. So 1000Mv till now is unofficially the safest voltage increase limit which you can do with harming the card and with that much juice the card can easily reach a core clock of 800mhz. So here's a small list telling you how to prevent the card from blowing up:

Do Not increase voltage above 1.05v, even if the option is there to go higher. We've only heard as high as 1.000v has been tested.

- Ideally NVIDIA would prefer you don't increase voltage at all on reference cooling, but have recommended no higher than .963v.

- This doesn't reflect all NVIDIA GTX 590 products, nor the quality. Throwing almost +300mv on any card with air cooling will more than likely compromise the card's health.

- The issue doesn't seem to be related to any particular driver release.

Do Not increase voltage above 1.05v, even if the option is there to go higher. We've only heard as high as 1.000v has been tested.

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