HP-EliteBook-830-G5 Hackintosh running MacOS Catalina 10.15.3

Specs

Intel(R) Core(TM) i7-8650U CPU @ 2.1GHz.
IGPU: Intel UHD 620
2 x 8GB Samsung M471A1K43DB1-CTD 2400Mhz DDR4 SO-DIMM RAM
WDC SN520 256GB SSD
LAN Intel I219LM4 I did not replace the Wifi card as I use the ethernet port. Ethernet master race!

What Works

Thunderbolt type C
Webcam
Trackpad with gestures (I was not expecting this to work. Smooth experience)
Speakers
Headphones output
LAN/Ethernet
Volume keys, Keyboard backlight and Brightness
Battery percentage and cycle count
Sleep/Wake-up. There is no type C output but reconnects after changing display mode.
WiFi - I use an external Wifi Dongle.

Not Tested

HDMI Out
Bluetooth

Huge thanks to kecinzer
For Bios settings please refer to: https://github.com/kecinzer/hpelitebook850g5-opencore