I've built the below machine myself during March of 2018, it serves as my main workhorse for gaming and streaming as well as editing and coding.

I will be providing further detail as we go along but this gives you a good idea of what I'm working with.

Gaming / Streaming Rig
CPU	AMD Ryzen Threadripper 1950X
Cooling	Custom EK CPU Watercooling
Motherboard	ASUS X399 ROG Zenith Extreme
Memory	32GB (4x8GB) 3000MHz G.Skill TridentZ RGB
GPU	ASUS ROG STRIX GTX 1080 Ti 11GB
Storage 1	Samsung 960 EVO M.2 500GB (OS & Apps)
Storage 2	Samsung 850 EVO 500GB (Games)
Storage 3	Samsung 840 EVO 250GB (Games)
PSU	EVGA SuperNova G3 1000W Gold
Capture Card	Elgato 4K60 PRO
Case	Corsair Obsidian 900D
OS	Windows 10 Pro 64-bit

Peripherals
Keyboard	HyperX Alloy FPS (Cherry MX Brown)
Mouse	Logitech G903 Lightspeed
Headphones	Beyerdynamic DT990 PRO
Microphone	MXL 770
Mixer	Behringer X1204USB
Camera	Logitech BRIO 4K
Switcher	Elgato Stream Deck x2
Monitor 1	Dell Ultrasharp 25" 1440p IPS U2515H
Monitor 2	Dell Ultrasharp 25" 1440p IPS U2515H
Monitor 3	ASUS MB168+
Controller 1	XBOX Elite
Controller 2	DualShock 4
Steering Wheel	Logitech G27
Studio Monitors	Tannoy Reveal 502 x2