MSI B550M-A PRO Manual page 4

LAN
Storage
USB
Internal
Connectors
4
Specifications
Continued from previous page
∙ 1x Realtek® RTL8111H 1Gbps LAN controller
AMD B550/A520 Chipset
∙ 4x SATA 6Gb/s ports
∙ 1x M.2 slot (Key M) (from AMD Processor)
▪ B550M-A PRO supports PCIe 4.0/3.0*
A520M-A PRO supports PCIe 3.0
▪
▪ Supports SATA 6Gb/s
▪ Supports 2242/ 2260/ 2280 storage devices
* PCIe specifications may vary depending on the CPU
installed.
AMD B550/A520 Chipset
▪ 2x USB 3.2 Gen 1 5Gbps ports are available through the
internal USB 3.2 Gen 1 5Gbps connector
▪ 6x USB 2.0 ports (2 Type-A ports on the back panel, 4
ports through the internal USB 2.0 connectors)
AMD Processor
▪ 4x USB 3.2 Gen 1 5Gbps Type-A ports on the back panel
∙ 1x 24-pin ATX main power connector
∙ 1x 4-pin ATX 12V power connector
∙ 4x SATA 6Gb/s connectors
∙ 1x M.2 slots (M-Key)
∙ 1x USB 3.2 Gen 1 5Gbps connector (supports additional 2
USB 3.2 Gen 1 5Gbps ports)
∙ 2x USB 2.0 connectors (supports additional 4 USB 2.0 ports)
∙ 1x 4-pin CPU fan connector
∙ 1x 4-pin system fan connector
∙ 1x Front panel audio connector
∙ 2x System panel connectors
∙ 1x Chassis Intrusion connector
∙ 1x TPM module connector
∙ 1x Clear CMOS jumper
Continued on next page