I honestly think you'd be fine with the 8c/16t ryxen 3700x but if you have the budget for the 3900 then fair play.
The issue?
You really do need aftermarket cooling with either of those 2 cpu's, the constant up and down ramping of the amd stock cooler at low loads will drive you insane after a while.
I juggles things round here to keep a similar budget.
You're losing nothing with the auros pro b550 board, it actually has a better vrm setup and audio than the asus you picked.
That 2060 is in no mans land, too expensive for what it is, the 5600xt matches or beats a 2060 super (let alone the 2060) in just about every scenario.
You definitely want an optical drive still??
Nothing wrong with the enthoo pro you picked however I would scout around for a fractal design r6 if possible.
Supports an optical and while the cooling may not quite be upto what the enthoo offers the fractal is virtually silent under any kind of use.
If its being used in your living space then this will be a big plus (in the same position myself, I would use the define series every single time).
Rmx is better tha the Rm simply.
650w is more than enough and it's $10 cheaper.
The r6 is less than $200 from Canada computers and mimes computer shop, it doesn't show on partpicker though.
Also bear in mind the new nvidia rtx 3*** cards are due very soon, they may be a better choice depending on price and availability.
PCPartPicker Part List
CPU: AMD Ryzen 7 3700X 3.6 GHz 8-Core Processor ($419.99 @ Amazon Canada)
CPU Cooler: Thermalright Macho Rev.B 73.6 CFM CPU Cooler ($110.80 @ Amazon Canada)
Motherboard: Gigabyte B550 AORUS PRO AC ATX AM4 Motherboard ($239.00 @ Amazon Canada)
Memory: Team T-FORCE VULCAN Z 32 GB (2 x 16 GB) DDR4-3200 CL16 Memory ($139.99 @ Canada Computers)
Storage: Crucial P1 1 TB M.2-2280 NVME Solid State Drive ($138.99 @ Amazon Canada)
Video Card: Sapphire Radeon RX 5600 XT 6 GB PULSE Video Card ($418.19 @ Amazon Canada)
Case: Fractal Design Define R6 USB-C Blackout ATX Mid Tower Case ($212.66 @ Amazon Canada)
Power Supply: Corsair RMx (2018) 650 W 80+ Gold Certified Fully Modular ATX Power Supply ($159.99 @ Canada Computers)
Optical Drive: Asus DRW-24B1ST/BLK/B/AS DVD/CD Writer ($27.99 @ Canada Computers)
Operating System: Microsoft Windows 10 Home OEM 64-bit ($149.99 @ Canada Computers)
Total: $2017.59
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2020-09-05 02:22 EDT-0400