Gigabyte responds to failing PSU stories: adjusts overpower safety and provides exchanges

Gigabyte GP-P750/850GM power supplies on a gradient background

(Picture credit score: Gigabyte)

Following stories of main PSU failure final week, Gigabyte has launched an announcement concerning doubtlessly affected PSU fashions, GP-P850GM and GP-P750GM. The corporate has since made some changes to the safety set off factors in these fashions, and is providing a return and trade service to prospects.

Reviews final week urged that these two Gigabyte PSU fashions have been vulnerable to catastrophic failure. PSU reviewer Aristeidis Bitziopoulos and Avid gamers Nexus independently bumped into problem with fashions of those PSUs, with the latter expertise excessive failure charges within the items it examined.

It had been suspected that the problem might have stemmed from OCP, OTP, or OPP, all types of PSU safety. That might be find yourself being the reason for the problem, as Gigabyte is now adjusting the OPP set off level in response.

“We have been made conscious by third events of issues concerning potential problems with the GP-P850GM and GP-P750GM tripping at excessive wattages when examined by way of DC Digital Load gear for prolonged lengths of time repeatedly near the 120% to 150% OPP set off level,” Gigabyte says. “This stage of prolonged testing might severely scale back the lifespan of the product and parts of the GP-P850GM and GP-P750GM.

“To handle these potential points raised by third events, particularly, these found throughout their testing by way of DC Digital Load gear for prolonged lengths of time repeatedly near the 120% to 150% OPP set off level. Gigabyte has made changes and lowered the OPP on GP-P850GM and GP-P750GM….”

OPP stands for overpower safety, and it successfully is a approach through which a PSU will defend itself from overload if it surpasses its most rated wattage. The set off level right here references the worth at which OPP will shut the PSU off, with a set off level over 100% permitting the PSU to run at a higher wattage than it’s marketed or meant to function at.

The GP-P850GM’s OPP set off level has, till now, been set to 120% ~ 150%, permitting the 850W mannequin function as much as 1020 ~ 1300W.

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

The GP-P750GM ‘s OPP set off level was initially set to 120% ~ 150% additionally, permitting most wattage between 900W ~ 1125W. It too and has equally been adjusted to 110% ~ 120%. This limits the PSU to 825W ~ 925W.

Gigabyte holds that the problems solely appear to happen in periods of “excessive load testing by way of DC Digital load gear and wouldn’t be typical of any actual world utilization.”

To be on the secure facet, nevertheless, we advocate any prospects with both PSU take up Gigabyte’s provide of a return and trade service. Any PSUs with the next serial numbers are eligible:

GP-P850GM: S/N From SN20343G031011 to SN20513G022635

GP-P750GM: S/N From SN20243G001301 to SN20453G025430

The serial quantity must be situated on the facet of the PSU, and sure shall be on the field too should you nonetheless have it at hand.

You possibly can learn the corporate’s full assertion right here, which incorporates additional info on the return and trade service.

Jacob Ridley

Jacob earned his first byline writing for his personal tech weblog from his hometown in Wales in 2017. From there, he graduated to professionally breaking issues at PCGamesN, the place he would later win command of the equipment cabinet as {hardware} editor. These days, as senior {hardware} editor at PC Gamer, he spends his days reporting on the most recent developments within the know-how and gaming business. When he is not writing about GPUs and CPUs, you may discover him attempting to get as distant from the trendy world as attainable by wild tenting.