MSI B550M-A PRO Motherboard

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MSI B550M-A PRO series helps users work smarter by delivering an efficient and productive experience. Featuring stable functionality and high-quality assembly, PRO series motherboards provide not only optimized professional workflows but also less troubleshooting and longevity.

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SKU: B550M-A PRO Categories: , Tags: , ,

MSI B550M-A PRO Motherboard

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 1
    • 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 1
  • 1x PCIe 4.0/3.0 x16 slot
  1. The supported specification depends on the installed processor.

ONBOARD GRAPHICS

  • 1x HDMI 2.1 port, supports a maximum resolution of 4096×2160 @60Hz12
  • 1x DVI-D port supports a maximum resolution of 1920×[email protected]1
  • 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 1
    • Supports SATA 6Gb/s
    • Supports 2242/ 2260/ 2280 storage devices
  1. The supported specification depends on the 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

  • 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

  1. LAN port
  2. HDMI
  3. DVI-D
  4. Keyboard / Mouse
  5. USB 3.2 Gen 1 5Gbps Type-A
  6. USB 3.2 Gen 1 5Gbps Type-A
  7. USB 2.0 Ports
  8. Audio Connectors
A520M-A Pro

DIMENSIONS

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

MOUNTING

8 mounting holes

Additional information

Weight 0.01 kg
Dimensions 23.6 × 20 × 3 cm
Platform

Manufacturer

Chipset

Form Factor

Memory Type

Max Memory Support

Multi GPU Support

Socket

TDP

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