I found a Ryzen 9 5900x for $3 at my local store where they sell returned Amazon items. I bent back the pins and I can't believe it works with 2 missing
Amazon.com: Beelink Mini PC, AMD Ryzen 5 5560U (6C/12T up to 4.0Ghz), 16G DDR4 500GB M.2 2280 NVMe SSD, SER5 Mini Desktop Computer 4K@60Hz Output HDMI2.0/DP/Type-C/WiFi 6/BT5.2/USB3.2/HTPC/Gaming/Home/Office : Electronics
Amazon.com: ASUS ROG Strix B650-A Gaming WiFi 6E AM5 (LGA1718) Ryzen 7000 Motherboard(12+2 Power Stages,DDR5,3xM.2 Slots,PCIe® 4.0, 2.5G LAN,WiFi 6E,USB 3.2 Gen 2x2 Type-C® Port) : Electronics