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Socket AM4 - Wikipedia
Amazon.com: ASUS AM4 TUF Gaming X570-Plus (Wi-Fi) AM4 Zen 3 Ryzen 5000 & 3rd Gen Ryzen ATX Motherboard with PCIe 4.0, Dual M.2, 12+2 with Dr. MOS Power Stage : Everything Else
AMD Ryzen 7000 Desktop CPUs & AM5 Motherboards To Launch on 15th September, Market Availability Confirmed
Amazon.com: MSI B550-A PRO ProSeries Motherboard (AMD AM4, DDR4, PCIe 4.0, SATA 6Gb/s, M.2, USB 3.2 Gen 2, HDMI/DP, ATX) : Electronics
B550-A PRO
Amazon.com: MSI Arsenal Gaming AMD Ryzen 1st and 2nd Gen AM4 M.2 USB 3 DDR4 HDMI Display Port Crossfire Micro-ATX Motherboard (B450M Mortar) : Electronics
ASRock > B550M Steel Legend
B550 AORUS PRO AX (rev. 1.0) Key Features | Motherboard - GIGABYTE Global
The S models AMD X570 motherboard both get an actual release date
AMD Chipset Comparison: B550 Specs vs. X570, B450, X370, & Zen 3 Support (2020) | GamersNexus - Gaming PC Builds & Hardware Benchmarks
Amazon.com: ASUS ROG STRIX B350-I GAMING AMD Ryzen AM4 DDR4 M.2 USB 3.1 mITX B350 Motherboard with 802.11ac Wi-Fi : Electronics
ASRock > B550M Steel Legend
AMD Ryzen motherboards explained: The crucial differences in every AM4 chipset | PCWorld
The S models AMD X570 motherboard both get an actual release date