AM4's Last Hurrah: AMD Unveils 7 New Ryzen 4000 and 5000 CPUs at Nice Prices | PCMag
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AMD's Ryzen 4000 and Q3 2020-bound desktop processors confirmed to support the AM4 socket and B450 chipset - NotebookCheck.net News
AMD Ryzen 4000 Series Desktop Processors with Radeon Graphics
AMD Ryzen 4000 Zen 3 will be compatible with Socket AM4, but it is end of the road for X470, B450, and below motherboard owners - NotebookCheck.net News
AMD Ryzen 4000 Renoir Desktop APUs Launched For The AM4 Platform
AMD Ryzen 4000 Zen 2 Desktop CPU With Integrated Radeon GPU And B550 Motherboard Leaks | HotHardware