Untested. Bought a storage unit with this and 3 other motherboards in it. Looks in good condition, but I know nothing about it. MSI MAG B550 Tomahawk MAX WiFi Gaming Motherboard is designed for gaming enthusiasts seeking high performance. With a form factor of ATX and a socket type of Socket AM4, it is compatible with AMD CPUs. It features 4 memory slots supporting DDR4 SDRAM memory type, making it suitable for gaming setups. The motherboard also includes expansion slots for PCI Express 3.0 x1, input/output ports for Optical S/PDIF Out, and is part of the MSI MAG B550 TOMAHAWK MAX WIFI model lineup, making it a great choice for gamers looking to upgrade their system.