This product is either discontinued or we cannot get that from suppliers.
MSI MAG B550 MORTAR Motherboard, Form Factor Micro-ATX, Socket AM4, Series MSi MAG Mortar, Memory Supported DDR4, 3 Years Limited Warranty.
The MAG series was born through rigorous quality testing and designed to be a symbol of sturdiness and durability. Focused on providing the best user experience, the MAG series has a simple installation.