Success!! on Z390 Master with i9 9900k, 64GB RAM Nvidia - 1 Question on USB speed NZXT 700i

Success!! on Z390 Master with i9 9900k, 64GB RAM Nvidia - 1 Question on USB speed NZXT 700i

Hi all; I wanted to share some success on my build and also answer any questions I can about the process.
I'm a video producer / film guy by trade who uses Adobe products and some basic neural animation.
Since I need working CUDA and such for the above, I have to stick with High Sierra for now.

My first Hackintosh was about 2.5 years ago: i7 6700k, UD5 TH, 64gb sport ram, 980TI, pcie wifi card, running off a Samsung SSD in a Corsair case. Took me 3 days of reading to get back in the game.
Upgraded to
intel i9 9900k -$529
z390 Aorus master mobo - $259
Samsung 970 EVO 1TB NVMe - $167 (open box, returned)
NZXT 700i Case - $133 (open box, returned)
Thermaltake Case Fans - $40
Duster, cable ties - $10

Total: 1138 + tax

Guide:
Big credit to this post for helping solve initial install, audio, sleep.
Created boot usb from terminal using high sierra downloaded to desktop.
https://www.reddit.com/r/hackintosh/comments/a4obvs/z390_aorus_master_i99900k_gtx1070ti_high_sierra/

Some images:

first benchmark

quick shot of case

NOT WORKING ( PLEASE HELP = ) ):
If anyone has a moment to help out with the last few questions:

All my ports are limited to USB 2.0 speeds at around 30 MB/s transfer speed.
This is the only major question I have, would love some help!
I have USBmap and tried to follow instructions importing a pre-made USB.plist found in the above guide for this motherboard, transferring the output kext to my EFI, and also transferring the SSDT-UIAC.aml to the EFI. Would this have solved it? Am I missing something? Best way to figure this out or start fresh and test USB speeds?

Any walkthrough or troubleshooting method explained in layman's terms would be extremely helpful!!!

Here's my kexts, btw!

https://i.redd.it/p1w49ds1lin21.png

<<<OTHER QUESTIONS>>>
iGPU in headless?
What's headless? I've heard it refer to settings that affect transition animations on dock, etc.

Further,How do I tell what my internal GPU is up to, and best way to set this up on High Sierra? I'm assuming if internal and external GPU are both processing, renders would be faster in adobe products?

CPU recognition

About this mac doesn't recognize the cpu. That's normal, aye?

Fan Speed and temps
I'm using "HW Monitor" to view temps. Anyone have a suggestion for a fan speed app for high sierra?

HW monitor screenshot

Some guides say VT-d on, others say off, what gives, dawg?

I turned this off because not doing anything with virtual devices, any thoughts?

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