MSI B550M-A PRO AMD B550 Ryzen Socket AM4 Micro-ATX Desktop Motherboard

SPECIFICATIONS

Brand

MSI

Series

AMD Motherboards

Model

B550M-A PRO

CPU

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

Chipset

AMD B550 Chipset

Memory

• 2x DDR4 Memory Slots, Support Up to 64GB
• Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDEC
• Supports DDR4 2667/ 2800 /2933 /3000 /3066 /3200 /3466 /3600/ 3733 /3866 /4000 /4133 /4266 /4400/ 4600 MHz by A-XMP OC MODE
• 1DPC 1R Max Speed 4600 MHz
• 1DPC 2R Max Speed 3866 MHz
• Dual Channel Memory Architecture
• Supports Non-ECC UDIMM Memory
• Supports ECC UDIMM Memory (Non-ECC Mode)
• Supports Un-Buffered Memory

Expansion Slots

• 1x PCIe 3.0 x1 Slot *1
• 1x PCIe 4.0/3.0 x16 Slot

On-Board Graphics

• 1x HDMI 1.4 Port, Supports a Maximum Resolution of 4096x2160 @60Hz *2, *3
• Support for HDMI 1.4 Version, HDCP 1.4 & 2.3
• 1x DVI-D Port, Supports a Maximum Resolution of 1920x1200@60Hz *2
• Maximum Shared Memory of 16 GB

Storage

• AMD B550 Chipset
• 4x SATA 6Gb/s Ports
• 1x M.2 Slot (Key M) (from AMD Processor)
• Supports PCIe 4.0/ 3.0 *1
• Supports SATA 6Gb/s
• Supports 2242/ 2260/ 2280 Storage Devices

RAID

• Supports RAID 0, RAID 1 and RAID 10 for SATA Storage Devices
• Supports RAID 0 and RAID 1 for M.2 NVMe Storage Devices

USB

• AMD B550 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

Audio

• Realtek ALC892/ALC897 Codec
• 7.1-Channel High Definition Audio

LAN

1x Realtek RTL8111H Gigabit LAN Controller

Internal Connectors

• 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 Connectors
• 1x Front Panel Audio Connector
• 2x System Panel Connectors
• 1x Chassis Intrusion Connector
• 1xTPM Module Connector
• 1x Clear CMOS Jumper

Back Panel Ports

• LAN Port
• 1x HDMI
• 1x DVI-D
• Keyboard / Mouse
• 4x USB 3.2 Type-A Gen 1 5Gbps
• 2x USB 2.0 Type-A Ports
• 3x Audio Connectors

Mounting

8 Mounting Holes

Dimensions

• Micro-ATX Form Factor
• 9.3 in. x 7.9 in. (23.6 cm x 20 cm)

Notes

• *1 The supported specification depends on installed processor.
• *2 Available for the processor with integrated graphics.
• *3 Graphics specifications may vary depending on the CPU installed.