To jump straight to the new stuff (Linux support and performance)
9 Reasons To Buy A Ryzen 3900X Today - History-Computer
AMD Ryzen 9 7900X Review
Ryzen - Wikipedia
Don't Buy A Ryzen 3900X Until You Read This - History-Computer
AMD's Chiplet Design Is The New Ryzen Star - PC Perspective
On , AMD Ryzen 9 3900X Platform is Xbox? 🤔 : r/Amd
AMD Ryzen 7 3700X + Ryzen 9 3900X Offer Incredible Linux Performance But With A Big Caveat Review : r/linux_gaming
AMD Ryzen 9 3900X and Ryzen 7 3700X Review: Old Ryzen Owners Look Away Now
AMD Ryzen 9 3900X, Page 3
AMD Ryzen 9 7900X Raphael AM5 4.7GHz 12-Core Boxed Processor - Heatsink Not Included - Micro Center
Linux++ (May 31, 2020). News from the GNU/Linux World, Issue…, by Eric Londo, Linux++