"Nvidia is long known to use garbage VRMs on their reference boards.... those generally don't burn out without some extreme overclocking involved to hasten their demise...... However now they've even been called out for using far underrated inductors for the VRAM voltage on their high end cards..... and unfortunately these are starting to fail under normal use in high end cards a generation or two old."
GeForceGTX 780, 780Ti, Titan, Titan Black Edition, 980 4GB, 980Ti 6GB
Nvidia reference PCBs burning out