Newer article:
https://vmind.ru/2016/08/08/probros-videokarty-nvidia-v-vmware-esxi-6-0/comment-page-1/
More info:
https://medium.com/@alexander.bazhenov/поддержка-nvdida-grid-в-vmware-esxi-e649a40d46f2
By the way with help of USB Bluetooth adaptor (kb and mouse) + server internal GPU passthrough i was able to get local console for Windows XP guest :)
Works with any physical device. ESXi will use GPU untel VM with configured pssthrough start.
Server Dell R310 got only internal GPU.