AMD Zen 3, Ryzen 4000-series CPUs will work on B450, X470 motherboards - ThinkComputers.org
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
Amazon.in: Buy ASUS Prime B450M-A II (AMD AM4 Socket for Ryzen 5000/4000/G/ 3rd/2nd/1st Gen AMD Ryzen) DDR4 Micro ATX Motherboard with M.2 Support HDMI/DVI-D/D-Sub 1Gb Ethernet BIOS Flashback and Aura Sync RGB
XMG: AMD Ryzen 4000 Vermeer CPUs will be compatible with B450 - Mainboard - News - HEXUS.net
B450 and X470 chipsets won't support AMD Ryzen 4000 processors | PCGamesN
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MSI Rolls Out AMD Ryzen 7 5800X3D, Ryzen 5000 & Ryzen 4000 CPU Support BIOS on 500, 400 & 300 Series Motherboards
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Biostar News ::IPC Manufacturing, Industrial PC Motherboard Manufacturers - BIOSTAR
Ryzen 4000: Zen 3 nun doch auch für B450 und X470 - mit diesen Einschränkungen
B450 and X470 chipsets WILL support AMD Ryzen 4000 processors | PCGamesN
AMD Ryzen 4000 kompatibel mit B450 Chipsätzen?
Ryzen 4000 處理器放寬主機板限制,AMD 宣布B450、X470 將可支援Zen 3 CPU - 電腦王阿達