Official statement from GIGABYTE regarding the explosion of power supplies for the GP-P850GM and GP-P750GM series

Knockouts happen to everyone, and this also applies to computer manufacturers – small and large. The most important thing is whether a particular company is able to admit something wrong and how to solve the problems it created. In the case of GIGABYTE, it is difficult to speak of a good response. In the case of emergency power supplies of the GP-P850GM and GP-P750GM series, which “exploded” in users’ computers and managed to pull other components with them, the Taiwanese only spoke when it became loud in foreign media. GIGABYTE confirms the problems with the above-mentioned PSUs, promises to remove them, and also offers to replace the units for people who have a “Shadow Series” serial number for their power supply.

It’s not a good indication for GIGABYTE that it took publicity to admit it was wrong. Especially since the described units are not economical power supplies – their prices in Poland are about 419 PLN and 479 PLN!

Official statement from GIGABYTE regarding the explosion of power supplies for the GP-P850GM and GP-P750GM series [1]

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There has been talk of problems with GIGABYTE’s GP-P850GM and GP-P750GM power supplies for some time. They were able to come to users out of the system already from the start or succumb to a rapid and astounding computer failure. A foreign YouTuber in the form of Gamers Nexus decided to take a closer look at the topic. Steve Burke combed reviews in stores, asked his viewers, and ran his own tests on a number of different copies. Rule? The problem is real and affects about 50% of individuals. We’re talking about exploding MOSFETs that can ignite your computer or damage other components. reason? First, the OPP (Over-Power Protection) limits are set too high, and secondly, the savings are as usual. In one model of the same power, capacitors of different companies were used, and some of them can hardly be called branded ones.

Official statement from GIGABYTE regarding the explosion of power supplies for the GP-P850GM and GP-P750GM series [2]

Thanks to the video from Gamers Nexus, the Taiwanese giant has finally decided to talk about it, despite the fact that Steve Burke had previously reported problems with these power supplies and tried to talk to GIGABYTE. Only online advertising helped the discontent of viewers and consumers. Although the Taiwanese know the problem, the GP-P850GM and GP-P750GM units often appeared on sales in foreign stores. But what does Gigabyte say? Below you can find the full statement in English, as well as a list of serial numbers that qualify for a replacement PSU. Briefly, however, as usual, the noodles are wrapped around the ears, emphasizing the “diligence in designing and producing components” and the fact that “this kind of defect occurs mainly under artificial load and rarely occurs in the real world” (well, Nexus data for gamers is inconsistent clear with this). Anyway, the Taiwanese decided to lower the OPP activation point from 120-150% of power to 110-120% in the new units.

GIGABYTE takes pride in the design and quality of our products, and as such, takes reports regarding this method very seriously and therefore wishes to address potential issues reported as follows:

  • For desktop computer systems, there can sometimes be cases where the maximum wattage can exceed its intended use range. During such situations, the power supplies for the GIGABYTE GP-P850GM / GP-P750GM include the industry standard “Overload Protection” (OPP) built-in safety feature. The OPP safety feature is designed to shut down the unit when the power load exceeds the wattage at which the unit is designed to operate. OPP is set at 120% to 150%, 1020W ~ 1300W for GP-P850GM, and 900W ~ 1125W for GP-P750GM.
  • GIGABYTE values ​​and takes into account any feedback and suggestions from our media partners and PC professionals. We have been made aware by third parties of concerns about potential issues with the GP-P850GM and GP-P750GM tripping at high wattage when tested across DC electronic load equipment for repeatedly long periods of time near the 120% to 150% OPP starting point. This level of extended testing can reduce the shelf life of the product and components of the GP-P850GM and GP-P750GM.
  • To address these potential issues raised by third parties, specifically, those detected during testing via DC electronic loading equipment for frequently extended periods of time near the OPP starting point from 120% to 150%. GIGABYTE has made modifications and reduced the OPP in the GP-P850GM and GP-P750GM to the following values.
    GP-P850GM- Adjusted OPP starting point range from 120%~150% to 110%~120%
    Before: 1020W~1300W
    Dimension: 950W~1050W
    GP-P750GM- Adjusted OPP starting point range from 120%~150% to 110%~120%
    Before: 900W ~ 1125W
    Dimension: 825W ~ 925W
  • GIGABYTE highly values ​​the trust and confidence of all our customers in the quality of our products and after-sales services. GIGABYTE would like to emphasize the potential issues that have been reported, and they appear to only occur after very long periods of time of intense load testing via DC electronic load equipment and would not be typical of any real-world use.
  • GIGABYTE GP-P850GM and GP-P750GM PSU included with industrial standard OCP, OTP, OVP, OPP, UVP and SCP power protection designs.
  • Safety certification from various countries to ensure the safe and stable operation of your system.
  • For complete peace of mind to customers, any serial number not listed in Appendix 1 is the modified OPP settings as listed in Point 3.
  • Despite the fact that both OPP tuning versions before and after are reliable for real-world use, we still offer owners of the included GP-P850GM or GP-P750GM products within the range of serial numbers listed in Appendix 1 can be applied to the *GP-P850GM and a return service A replacement GP-P750GM.

Appendix 1 – The serial number below can apply for return and exchange service

  • Model name: GP-P850GM – S/N From SN20343G031011 to SN20513G022635
  • Model name: GP-P750GM – S/N from SN20243G001301 to SN20453G025430

Terms and conditions for the GP-P850GM and GP-P750GM return and exchange service may vary by region. For full terms and conditions for your region, please contact your local GIGABYTE Service Centre.

Source: GIGABYTE, Gamers Nexus,

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