ASUS Prime B450M-A II AMD AM4 (Ryzen 5000, 3rd/2nd/1st Gen Ryzen Micro ATX Motherboard (128GB DDR4, 4400 O.C.), NVMe, HDMI 2.0b/DVI/D-Sub, USB 3.2 Gen 2, BIOS Flashback, and Aura Sync) - Newegg.com
ONDA B450 Motherboard Kit With AMD Ryzen 5 3600 R5 CPU Processor DDR4 16GB(2*8GB) 2666MHz Memory AM4 B450M Set
B450 Motherboard For Ryzen 5 5500x cpus MSI B450 GAMING PLUS MAX Motherboard AM4 DDR4 128GB PCI-E 3.0 SATAIII M.2 ATX - AliExpress
Micro Center AMD Ryzen 5 3600 6-Core, 12-Thread Unlocked Desktop Processor with Wraith Stealth Cooler Bundle with GIGABYTE B450M DS3H WiFi MATX Gaming Motherboard : Electronics - Amazon.com