MSI B550M-A PRO

MSI B550M-A PRO

• 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
• Supports DDR4 Memory, up to 4600(OC) MHz
• Lightning Fast Experience: PCIe 4.0, Lightning Gen4 x4 M.2
• Core Boost: With premium layout and digital power design to support more cores and provide better performance
• DDR4 Boost: Advanced technology to deliver pure data signals for the best performance and stability
• 2oz Thickened Copper PCB: An enhanced PCB design improves heat dissipation and performance reliability
• Audio Boost: Reward your ears with studio grade sound quality
• Dragon Center: A brand new software which integrates all MSI exclusive tools with user friendly user interface.

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 proc

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 SLOT

• 1x PCIe 3.0 x1 slot
• 1x PCIe 4.0/3.0 x16 slot

The supported specification depends on installed processor.

ONBOARD GRAPHICS

• 1x HDMI 1.4 port, supports a maximum resolution of 4096×2160 @60Hz
  Support for HDMI™ 1.4 version, HDCP 1.4 & 2.3
• 1x DVI-D port, supports a maximum resolution of 1920×1200@60Hz
• Maximum shared memory of 16 GB

1. Available for the processor with integrated graphics.
2. Graphics specifications may vary depending on the CPU installed.

STORAGE

• AMD B550 Chipset

-4x SATA 6Gb/s ports

-1x M.2 slot (Key M) (from AMD Processor)

• Supports PCIe 4.0/ 3.0
• Supports SATA 6Gb/s
• Supports 2242/ 2260/ 2280 storage devices

1. The supported specification depends on installed processor.

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

• 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
• HDMI
• DVI-D
• Keyboard / Mouse
• USB 3.2 Gen 1 5Gbps Type-A
• USB 3.2 Gen 1 5Gbps Type-A
• USB 2.0 Ports
• Audio Connectors

DIMENSIONS

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

MOUNTING

• 8 mounting holes