I'm Buying [building] a New Streaming Pc? What parts should I get?

Are you streaming game play, or playing games and streaming it from the same system?

I assumed it is the latter.

Intel - 8700k is more than capable of streaming and gaming.

PCPartPicker part list: https://pcpartpicker.com/list/B24J8Y
Price breakdown by merchant: https://pcpartpicker.com/list/B24J8Y/by_merchant/

CPU: Intel - Core i7-8700K 3.7GHz 6-Core Processor ($347.79 @ OutletPC)
CPU Cooler: Noctua - NH-D15S 82.5 CFM CPU Cooler ($79.80 @ OutletPC)
Motherboard: MSI - Z370-A PRO ATX LGA1151 Motherboard ($89.99 @ Newegg Business)
Memory: G.Skill - Ripjaws V Series 16GB (2 x 8GB) DDR4-3000 Memory ($163.89 @ OutletPC)
Storage: ADATA - Ultimate SU650 240GB 2.5" Solid State Drive ($65.50 @ Newegg)
Storage: Western Digital - Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($43.89 @ OutletPC)
Video Card: MSI - GeForce GTX 1070 Ti 8GB Video Card ($574.14 @ Amazon)
Case: NZXT - S340 (Black/Red) ATX Mid Tower Case ($49.99 @ Newegg)
Power Supply: SeaSonic - FOCUS Plus Gold 650W 80+ Gold Certified Fully-Modular ATX Power Supply ($83.99 @ SuperBiiz)
Operating System: Microsoft - Windows 10 Home OEM 64-bit ($119.98 @ OutletPC)
Total: $1618.96
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2018-03-31 00:09 EDT-0400


Ryzen :
PCPartPicker part list: https://pcpartpicker.com/list/MZP9J8
Price breakdown by merchant: https://pcpartpicker.com/list/MZP9J8/by_merchant/

CPU: AMD - Ryzen 7 1700X 3.4GHz 8-Core Processor ($287.90 @ OutletPC)
CPU Cooler: Corsair - H100i v2 70.7 CFM Liquid CPU Cooler ($99.99 @ Newegg)
Motherboard: ASRock - X370 Pro4 ATX AM4 Motherboard ($89.99 @ Newegg)
Memory: G.Skill - Ripjaws V Series 16GB (2 x 8GB) DDR4-3000 Memory ($163.89 @ OutletPC)
Storage: ADATA - Ultimate SU650 240GB 2.5" Solid State Drive ($65.50 @ Newegg)
Storage: Western Digital - Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($43.89 @ OutletPC)
Video Card: MSI - GeForce GTX 1070 Ti 8GB Video Card ($574.14 @ Amazon)
Case: NZXT - S340 (Black/Red) ATX Mid Tower Case ($49.99 @ Newegg)
Power Supply: SeaSonic - FOCUS Plus Gold 650W 80+ Gold Certified Fully-Modular ATX Power Supply ($83.99 @ SuperBiiz)
Operating System: Microsoft - Windows 10 Home OEM 64-bit ($119.98 @ OutletPC)
Total: $1579.26
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2018-03-31 00:11 EDT-0400