Panasonic challenges capacitor failure in graphics cards

November 05, 2020 // By Nick Flaherty
Capacitors blamed for graphics card failures
Panasonic has challenged accusation that electrolytic capacitors are responsible for recent failures in the latest graphics cards

There have been some strange things happening with graphics cards lately, so much so that Panasonic has had to make a statement about its capacitor technology. 

The move came after a card sent to games reviewers failed, and the capacitors were highlighted as the problem. When the cards cost upwards of $1000, and are selling out quickly, the reliability is a key concern. The cards have huge current and power requirements to deliver the high performance, which puts the focus on the capacitors. This is especially important for the latest generation of high current cards being used as AI accelerators in data centres.

 “Recently there has been some discussion about the EVGA GeForce RTX 3080 series,” said card maker EVGA.

“During our mass production QC testing we discovered a full 6 POSCAPs solution cannot pass the real world applications testing. It took almost a week of R&D effort to find the cause and reduce the POSCAPs to 4 and add 20 MLCC caps prior to shipping production boards, this is why the EVGA GeForce RTX 3080 FTW3 series was delayed at launch. There were no 6 POSCAP production EVGA GeForce RTX 3080 FTW3 boards shipped,” said the company.

“But, due to the time crunch, some of the reviewers were sent a pre-production version with 6 POSCAP’s, we are working with those reviewers directly to replace their boards with production versions. EVGA GeForce RTX 3080 XC3 series with 5 POSCAPs + 10 MLCC solution is matched with the XC3 spec without issues.”

Panasonic took this personally.

“In response to the recent reports speculating that the use of POSCAP capacitors on the GeForce RTX 3080/3090 graphics cards could lead to stability issues and crashes, we would like to clarify the issue with the following statement,” said Panasonic.

“It is false that POSCAP capacitors independently could cause a hardware crash. Whether a graphics card

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