MSI B550-A PRO

Supports AM4 socket 3rd Gen AMD Ryzen™ processors
AMD B550 Chipset
4 x DDR4 memory slots, support up to 128GB
1x PCIe 4.0/ 3.0 x16 slot (PCI_E1) 1
1x PCIe 3.0 x16 slot (PCI_E3), supports x4 speed 2
2x PCIe 3.0 x1 slots
Supports 2-Way AMD CrossFire™ Technology
1x HDMI port, supports a maximum resolution of 4096x2160 @24Hz 1
1x DisplayPort, supports a maximum resolution of 4096x2160 @60Hz 1
Maximum shared memory of 16GB
6x SATA 6Gb/s ports
2x M.2 slots (Key M)
Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices
Supports RAID 0 and RAID 1 for M.2 NVMe storage devices
3x USB 3.2 Gen 1 5Gbps ports (1 Type-C internal connector, and 2 ports are available through the internal USB 3.2 Gen 1 5Gbps connector)
8x USB 2.0 ports (4 Type-A ports on the back panel, 4 ports through the internal USB 2.0 connectors)
2x USB 3.2 Gen 2 10Gbps ports (1 Type-C port and 1 Type-A port on the back panel)
2x USB 3.2 Gen 1 5Gbps Type-A ports on the back panel
1x 4-pin RGB LED connectors
2x 3-pin RAINBOW LED connectors


https://www.msi.com/Motherboard/B550-A-PRO/Overview