I would have changed a couple of things, but if I had to build a 2K AMD rig right now would be something like this.
PCPartPicker part list:
https://pcpartpicker.com/list/Nnx7QV
Price breakdown by merchant: https://pcpartpicker.com/list/Nnx7QV/by_merchant/
CPU: AMD - Ryzen 7 1800X 3.6GHz 8-Core Processor ($399.99 @ Amazon)
CPU Cooler: Deepcool - CAPTAIN 240EX WHITE 153.0 CFM Liquid CPU Cooler ($99.99 @ B&H)
Motherboard: ASRock - X370 Taichi ATX AM4 Motherboard ($183.98 @ Newegg)
Memory: *G.Skill - Ripjaws V Series 16GB (2 x 8GB) DDR4-3000 Memory ($148.55 @ Newegg Marketplace)
Storage: *SanDisk - Ultra II 480GB 2.5" Solid State Drive ($135.99 @ Amazon)
Storage: *Hitachi - Deskstar 3TB 3.5" 7200RPM Internal Hard Drive ($64.99 @ Amazon)
Video Card: Asus - GeForce GTX 1080 8GB ROG STRIX Video Card ($554.98 @ Newegg)
Case: Phanteks - ECLIPSE P400S TEMPERED GLASS ATX Mid Tower Case ($89.99 @ Newegg)
Power Supply: *SeaSonic - G 550W 80+ Gold Certified Semi-Modular ATX Power Supply ($68.59 @ SuperBiiz)
Monitor: Acer - GN246HL 24.0" 1920x1080 144Hz Monitor ($187.49 @ B&H)
Keyboard: Razer - Ornata Wired Gaming Keyboard ($59.99 @ Amazon)
Mouse: Logitech - G502 Wired Optical Mouse ($49.95 @ Amazon)
Total: $2044.48
Prices include shipping, taxes, and discounts when available
*Lowest price parts chosen from parametric criteria
Generated by PCPartPicker 2017-10-01 23:11 EDT-0400
Overclocking beast with plenty of graphic horse power