In response to recent reports that the use of POSCAP capacitors on GeForce RTX 3080 graphics cards may lead to stability problems and failures, Gigabyte has published an explanation.
According to that, the claim that POSCAP capacitors, regardless of other factors may cause failures, is false. A comprehensive evaluation of the entire power subsystem circuit and design is needed, not just to account for the differences in capacitor types. POSCAP and MLCC capacitors have different characteristics and applications, so it is wrong to claim that one type is better than the other.
The manufacturer has assured that its GeForce RTX 30 graphics cards are designed in accordance with the specifications of Nvidia and passed all necessary tests, so their quality is guaranteed. Gigabyte GeForce RTX 3080 GAMING OC and EAGLE OC series graphics cards use high quality 470 µF SP-CAP capacitors with low ESR, which meet Nvidia specifications and provide a total capacity of 2820 µF, which is more than the average in such cards. The cost of SP-CAP capacitors is not lower than that of MLCC capacitors, so it would be wrong to think that the manufacturer has saved by using cheap components.
Gigabyte also reminds that on September 29th Nvidia released a new driver (version 456.55) that improves stability. Users are advised to install the driver and in case of problems contact Gigabyte service centers or company representatives.