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MSI | B550-A PRO | Processor family AMD | Processor socket AM4 | DDR4 DIMM | Memory slots 4 | Supported hard disk drive interfaces SATA, M.2 | Number of SATA connectors 6 | Chipset AMD B550 | ATX

MSI | B550-A PRO | Processor family AMD | Processor socket AM4 | DDR4 DIMM | Memory slots 4 | Supported hard disk drive interfaces SATA, M.2 | Number of SATA connectors 6 | Chipset AMD B550 | ATX
MSI | B550-A PRO | Processor family AMD | Processor socket AM4 | DDR4 DIMM | Memory slots 4 | Supported hard disk drive interfaces SATA, M.2 | Number of SATA connectors 6 | Chipset AMD B550 | ATX
MSI | B550-A PRO | Processor family AMD | Processor socket AM4 | DDR4 DIMM | Memory slots 4 | Supported hard disk drive interfaces SATA, M.2 | Number of SATA connectors 6 | Chipset AMD B550 | ATX
MSI | B550-A PRO | Processor family AMD | Processor socket AM4 | DDR4 DIMM | Memory slots 4 | Supported hard disk drive interfaces SATA, M.2 | Number of SATA connectors 6 | Chipset AMD B550 | ATX
MSI | B550-A PRO | Processor family AMD | Processor socket AM4 | DDR4 DIMM | Memory slots 4 | Supported hard disk drive interfaces SATA, M.2 | Number of SATA connectors 6 | Chipset AMD B550 | ATX
MSI | B550-A PRO | Processor family AMD | Processor socket AM4 | DDR4 DIMM | Memory slots 4 | Supported hard disk drive interfaces SATA, M.2 | Number of SATA connectors 6 | Chipset AMD B550 | ATX
MSI | B550-A PRO | Processor family AMD | Processor socket AM4 | DDR4 DIMM | Memory slots 4 | Supported hard disk drive interfaces SATA, M.2 | Number of SATA connectors 6 | Chipset AMD B550 | ATX
MSI | B550-A PRO | Processor family AMD | Processor socket AM4 | DDR4 DIMM | Memory slots 4 | Supported hard disk drive interfaces SATA, M.2 | Number of SATA connectors 6 | Chipset AMD B550 | ATX
MSI | B550-A PRO | Processor family AMD | Processor socket AM4 | DDR4 DIMM | Memory slots 4 | Supported hard disk drive interfaces SATA, M.2 | Number of SATA connectors 6 | Chipset AMD B550 | ATX
MSI | B550-A PRO | Processor family AMD | Processor socket AM4 | DDR4 DIMM | Memory slots 4 | Supported hard disk drive interfaces SATA, M.2 | Number of SATA connectors 6 | Chipset AMD B550 | ATX
MSI | B550-A PRO | Processor family AMD | Processor socket AM4 | DDR4 DIMM | Memory slots 4 | Supported hard disk drive interfaces SATA, M.2 | Number of SATA connectors 6 | Chipset AMD B550 | ATX
MSI | B550-A PRO | Processor family AMD | Processor socket AM4 | DDR4 DIMM | Memory slots 4 | Supported hard disk drive interfaces SATA, M.2 | Number of SATA connectors 6 | Chipset AMD B550 | ATX
MSI | B550-A PRO | Processor family AMD | Processor socket AM4 | DDR4 DIMM | Memory slots 4 | Supported hard disk drive interfaces SATA, M.2 | Number of SATA connectors 6 | Chipset AMD B550 | ATX
MSI | B550-A PRO | Processor family AMD | Processor socket AM4 | DDR4 DIMM | Memory slots 4 | Supported hard disk drive interfaces SATA, M.2 | Number of SATA connectors 6 | Chipset AMD B550 | ATX
MSI | B550-A PRO | Processor family AMD | Processor socket AM4 | DDR4 DIMM | Memory slots 4 | Supported hard disk drive interfaces SATA, M.2 | Number of SATA connectors 6 | Chipset AMD B550 | ATX
MSI | B550-A PRO | Processor family AMD | Processor socket AM4 | DDR4 DIMM | Memory slots 4 | Supported hard disk drive interfaces SATA, M.2 | Number of SATA connectors 6 | Chipset AMD B550 | ATX
MSI | B550-A PRO | Processor family AMD | Processor socket AM4 | DDR4 DIMM | Memory slots 4 | Supported hard disk drive interfaces SATA, M.2 | Number of SATA connectors 6 | Chipset AMD B550 | ATX
MSI | B550-A PRO | Processor family AMD | Processor socket AM4 | DDR4 DIMM | Memory slots 4 | Supported hard disk drive interfaces SATA, M.2 | Number of SATA connectors 6 | Chipset AMD B550 | ATX
MSI | B550-A PRO | Processor family AMD | Processor socket AM4 | DDR4 DIMM | Memory slots 4 | Supported hard disk drive interfaces SATA, M.2 | Number of SATA connectors 6 | Chipset AMD B550 | ATX
delivery from warehouse to store 4-7 business days
125.44€
Ex Tax: 103.67€
  • Stock: In Stock
  • Brand: MSI
  • ID: 349564
  • Weight: 1.62kg
  • Dimensions: 268.00mm x 86.00mm x 270.00mm
  • EAN: 4719072733667
  • MPN: B550-A PRO

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MSI B550-A PRO — AMD B550 ATX Motherboard (AM4, DDR4)

The MSI B550-A PRO is an ATX motherboard designed for AMD processors using the AM4 socket. It supports DDR4 DIMM memory across four memory slots and provides storage connectivity through SATA and M.2 interfaces. With the AMD B550 chipset and six SATA connectors, this board is positioned for mainstream desktop builds that require multiple SATA drives and modern M.2 storage options.

Key Features

  • Manufacturer: MSI
  • Producer product name: B550-A PRO
  • Chipset: AMD B550
  • Processor family: AMD
  • Processor socket: AM4
  • Form factor: ATX
  • Supported memory types: DDR4 DIMM
  • Memory slots: 4
  • Supported hard disk drive interfaces: SATA, M.2
  • Number of SATA connectors: 6

Customer Benefits

  • Flexible processor support for AMD AM4 CPUs, enabling a range of AMD-based system builds.
  • Four DDR4 DIMM slots allow straightforward memory upgrades within DDR4 DIMM compatibility.
  • Multiple storage options with SATA and M.2 interfaces to combine traditional drives and modern NVMe/SATA M.2 modules.
  • Six SATA connectors provide connectivity for numerous 2.5" or 3.5" SATA drives and optical devices.
  • ATX form factor offers compatibility with standard ATX cases and multiple expansion options.

Typical Usage / Applications

  • Mainstream desktop builds centered on AMD AM4 processors requiring a B550 chipset platform.
  • Systems that combine multiple SATA drives—such as mass storage, backups, or RAID configurations—alongside M.2-based storage.
  • Home office or content-creation PCs where a standard ATX motherboard with four DDR4 DIMM slots is required.
  • Upgradable PC platforms where users plan to populate DDR4 memory slots and multiple SATA devices.

Technical Specifications

  • Manufacturer: MSI
  • Producer product name: B550-A PRO
  • Chipset: AMD B550
  • Processor family: AMD
  • Processor socket: AM4
  • Motherboard form factor: ATX
  • Supported memory types: DDR4 DIMM
  • Memory slots: 4
  • Supported hard disk drive interfaces: SATA, M.2
  • Number of SATA connectors: 6