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B550-A PRO, AMD B550 Chipset, AM4, DP, ATX Motherboard

Quantity:
  • SKU: 13443480
  • Manufacturer: MSI
  • MPN: B550-A PRO
  • Availability: USUALLY SHIPS WITHIN 3-5 DAYS
Starting At
$136.82
Quantity:
CPU

Supports AM4 socket 3rd Gen AMD Ryzen processors, and future AMD Ryzen processors with BIOS update.

See supported processors

CHIPSET

AMD B550 Chipset

MEMORY
  • 4x DDR4 memory slots, support up to 128GB 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+ MHz by A-XMP OC MODE
      • 1DPC 1R Max speed 4800 MHz
      • 1DPC 2R max speed 3866 MHZ
      • 2DPC 1R max speed 4000 MHZ
      • 2DPC 2R max speed 3600 MHZ
  • Dual channel memory architecture
  • Supports non-ECC UDIMM memory
  • Supports ECC UDIMM memory (non-ECC mode)
  • Supports un-buffered memory
  1. Please refer www.msi.com for more information on compatible memory.

See supported memory

EXPANSION SLOT
  • 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
  1. The supported specification depends on installed processor.
  2. When installing PCIe SSD in M.2_2, PCI_E3 slot will be unavailable.
MULTI-GPU
  • Supports 2-Way AMD CrossFire Technology
ONBOARD GRAPHICS
  • 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 2048 MB
  1. Available for the processor with integrated graphics.
STORAGE AMD B550 Chipset
  • 6x SATA 6Gb/s ports
  • 2x M.2 slots (Key M)
    • M2_1 slot (from AMD Processor)
      • Supports PCIe 4.0/ 3.0 x4 1
      • Supports SATA 6Gb/s
      • Supports 2242/ 2260/ 2280/ 22110 storage devices
    • M2_2 slot (from AMD B550 chipset)
      • Supports PCIe 3.0x4
      • 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
  • 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)
AMD Processor
  • 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
AUDIO Realtek® ALC892 Codec
  • 7.1-Channel High Definition Audio
LAN
  • 1x Realtek® 8111H Gigabit LAN controller
INTERNAL CONNECTORS
  • 1x 24-pin ATX main power connector
  • 1x 8-pin ATX 12V power connector
  • 6x SATA 6Gb/s connectors
  • 2x M.2 slots (M-Key)
  • 1x USB 3.2 Gen 1 5Gbps Type-C port
  • 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 water-pump fan connector
  • 6x 4-pin system fan connectors
  • 1x Front panel audio connector
  • 2x System panel connectors
  • 1x Chassis Intrusion connector
  • 1x 4-pin RGB LED connector
  • 2x 3-pin RAINBOW LED connectors
  • 1xTPM module connector
  • 1x Clear CMOS jumper
BACK PANEL PORTS
  1. Keyboard / Mouse
  2. DisplayPort
  3. LAN
  4. HD Audio Connectors
  5. Flash BIOS Button
  6. USB 2.0
  7. HDMI
  8. USB 2.0
  9. USB 3.2 Gen 1 5Gbps Type-A
  10. USB 3.2 Gen 2 10Gbps Type-A+C
DIMENSIONS
  • ATX Form Factor
  • 12 in. x 9.6 in. (30.5 cm x 24.4 cm)
MOUNTING

9 mounting holes