AMD Ryzen 9 3900X 12-Core @ 3.80GHz (12 Cores / 24 Threads); ASUS ROG CROSSHAIR VIII HERO (WI-FI) (0066 BIOS); 2000GB Force MP600; Sapphire AMD Radeon RX 550 640SP / 560/560X 4GB (1300/1750MHz); Ubuntu 18.04; 4.18.0-25-generic (x86_64); modesetting 1.20.1