Last week, PSU reviewers Aristeidis Bitziopoulos Stephen Burke revealed that Gigabyte GP-P750GM and GP-P850GM power supplies were attracting too much attention because these power supplies had been found to be even prone to exploding. It had been suspected that the issue could have stemmed from OCP, OTP, or OPP, all forms of PSU protection.

After recent events, Gigabyte has made some adjustments to the protection points in faulty models, and also offering a return and exchange service to customers. Apart from that Gigabyte also released a press release giving its version of events.

 

“To address these potential issues raised by third parties, specifically, those discovered during their testing via DC Electronic Load equipment for extended lengths of time repeatedly close to the 120% to 150% OPP trigger point. Gigabyte has made adjustments and lowered the OPP on GP-P850GM and GP-P750GM….”

OPP stands for overpower protection, and it effectively is a way in which a PSU will protect itself from overload if it surpasses its maximum rated wattage. The trigger point here references the value at which OPP will shut the PSU off, with a trigger point over 100% allowing the PSU to run at a greater wattage than it is marketed or intended to operate at.

  • The GP-P850GM’s OPP trigger point has, until now, been set to 120% ~ 150%, allowing the 850W model operate up to 1020 ~ 1300W.

  • This has now been reduced to 110% ~ 120%, limiting the PSU to 950W ~ 1050W.

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Hardware enthusiast, Gamer, Writer. I enjoy picking up games, putting them back down, and then writing about it.