MSI B550M-A PRO 
Specifications
Socket : AM4
Chipset : AMD® B550 Chipset
Memory Channel : DUAL
DIMM Slots : 2
Max Memory (GB) : 64GB
PCI-E x16 : 1
PCI-E Gen : Gen4 / Gen3
PCI-E x1 : 1
SATAIII : 4
M.2 Slot : 1
USB 3.2 ports (Front) : 2(Gen 1, Type A)
USB 3.2 ports (Rear) : 4(Gen 1, Type A)
USB 2.0 ports (Front) : 4
USB 2.0 ports (Rear) : 2 (Type A)
Serial ports(Front) : 1
Audio ports (Rear) : Realtek® ALC892/ALC897 Codec
DVI-D : 1
HDMI : 1
CPU Support : Support for Windows® 10 64-bit
Note;
Supports AMD Ryzen™ 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen™ 5 3400G & Ryzen™ 3 3200G) and AMD Ryzen™ 4000 G-Series desktop processors