Welcome to a new entrant in our motherboard reviews, BIOSTAR. Today we have the brand new micro-ATX BIOSTAR B550MH Version 6.0 Motherboard (AB55AM4S-R01 VER:6.0) for review. The BIOSTAR B550MH motherboard is only $96.99 on Amazon, so this is a very budget-oriented motherboard running the AMD B550 chipset that was just released this summer in 2020. If you want an under $100 B550 chipset based motherboard, then read on.