Here's mine.
Why don't you just move on to Big Sur instead?
I am now using R4BE with Intel E5-2640 v2 and NVidia GTX Titan Black, but I guess it's not much different from your system.
Other than USB3, everything works well.
It is Clover 5122.
I also attach my EFI for Big Sur in case you are interested to try.
It's Opencore 0.64 (I guess).
Thanks to
@altixx. I modified his/her shared Opencore EFI to match my system.
However, I still cannot manage to get my USB3, Wifi and Bluetooth to work.
Let me know how it goes.
Edit: I forgot to thank
@altixx for his/her shared EFI. Thanks
@altixx