Here was my first upgraded GPU. Nvidia RIVA TNT2 Vanta 64bit. This wasn't the big dog of it's day as there was a 164bit version too, however with its 32Mb vram and
3dfx Voodoo Banshee vs NVIDIA Riva TNT - popular 1998 graphics chips! - YouTube
DOS Days - nVidia RIVA TNT Series (1998-1999)
VINTAGE 1998 STB RIVA TNT 16 MEG AGP CARD 210-0348-00X VGA SVID COMP OUT MXB73 | eBay