This was a new build (12/2018) except for the GTX 1080, from my old setup which was an eGPU, used with a Macbook Pro and Akitio Node eGFX enclosure

Ryzen 5 2600
MSI B-450 A-Pro Motherboard
G.Skill Ripjaws V 3200Mhz DDR4 RAM
BeQuiet Pure Rock Air Cooler
Gigabyte G1 Gaming GTX 1080
Samsung 860 Evo 1TB Sata SSD
EVGA Supernova 750 G3
Thermaltake J22 Versa Tempered Glass Case
Acer ED242QR Abidpx 24in 1080p 144Hz LED curved monitor
Roccat Lua Mouse
Qisan Magicforce mechanical keyboard