Dell Precision Tower 3620
CPU: QuadCore Intel Xeon E3-1245 v5, 3700 MHz (37 x 100)
Motherboard: Intel Sunrise Point C236, Intel Skylake-S WS
Video: Intel HD Graphics P530 (two DP port and one HDMI)
Audio: Realtek ALC899
Network: Intel I219-LM
Display: 2560 x 1440
So , 2 day on Catalina - work great!
Work almost all:
CPU stepping, thermosensor, sleep, etc.
Video with HDMI/DP output, 2560 x 1440
Sound speaker stereo, loud and quality.
Headphones sound in jack.
Mic (Siri also work)
Ethernet card
USB port (all 12 usb)
Cardreader
Not working
Two monitor mode.
Config:
v2 EFI_T3620_catmater_v2.zip
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DELL Precision Tower 3620 - High sierra
DELL Precision Tower 3620 - Mojave
Very-very grateful for the support to @Jake Lo!