Stack B650 Board
$169
Free shipping
AM5 B650 ATX. DDR5, PCIe 5.0 x16, and the ports a first build actually uses.
An AM5 B650 ATX motherboard. Four DDR5 slots, a reinforced PCIe x16 slot, two M.2 slots, and USB-C on the rear I/O. BIOS flash button on the back so you can update without a CPU in the socket.