MSI B550M-A PRO
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MSI B550M-A PRO
Towards:home / office
Form Factor:micro-ATX
Socket:AM4
Chipset:AMD B550
BIOS:Ami
RAM slots:DDR4 2 sl
RAM form factor:DIMM
RAM clock:4600 MHz
Sound (channels):7.1
Connectors:HDMI, M.2
Power connector:24-pin
Processor power:4-pin
Compact, affordable and well-balanced 2021 multi-purpose ATX motherboard with AMD AM4 socket and mid-range B550 chipset. Refers to products of the MSI PRO-series family, designed to complete high-performance universal office systems, home PCs and entry-level low-cost workstations. Compatible with 4/6/8/12/16-core Ryzen 3000/5000 (Vermeer/Matisse cores, 7nm) and Ryzen 4000 hybrid APUs (Cezanne/Renoir cores, 7nm).
Supports installation of two DDR4 memory modules with a total capacity of up to 64 GB, which is more than enough for any household, most complex professional tasks, streaming and demanding games. Thanks to the reinforced PCIe x16 slot, MSI B550M-A PRO can handle massive and large discrete professional and gaming graphics cards. The high-speed PCIe Gen4 system interface allows you to significantly increase the speed of loading textures into the local memory of the video adapter and speed up data exchange with top-end NVMe SSDs.
It is also worth noting the presence of a Realtek 8111H GbE LAN network adapter and two digital video outputs (HDMI, DVI-D) used to display an image from the video core built into the processor. Only high-quality components are used in the design of the board: durable capacitors, power switches with low heat dissipation, case chokes and textolite with a double thickness of metallization.
All specifications
Specifications B550M-A PRO
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The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog MSI 2026 - new arrivals, bestsellers, and the most relevant models MSI.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog MSI 2026 - new arrivals, bestsellers, and the most relevant models MSI.
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Series MSI PRO (home/office)Compare using chart →
ATX, socket AM5, chipset AMD B650, 4 x DDR5, DIMM, 7600 MHz, USB-C, HDMI, DisplayPort, M.2, > 4 SATA3, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
ATX, socket AM5, chipset AMD B850, 4 x DDR5, DIMM, 8200 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
micro-ATX, socket LGA 1700, chipset Intel H610, 2 x DDR4, DIMM, 3200 MHz, USB-C, HDMI, M.2, no backlight
micro-ATX, socket AM4, chipset AMD B550, 4 x DDR4, DIMM, 4400 MHz, USB-C, HDMI, DisplayPort, M.2, M.2 cooling, no backlight
ATX, socket LGA 1700, chipset Intel B760, 4 x DDR4, DIMM, 5333 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
ATX, socket AM5, chipset AMD B850, 4 x DDR5, DIMM, 8200 MHz, USB-C, HDMI, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling, no backlight
micro-ATX, socket AM5, chipset AMD B650, 4 x DDR5, DIMM, 6000 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, no backlight
ATX, socket AM5, chipset AMD X870E, 4 x DDR5, DIMM, 8200 MHz, USB-C, USB4, HDMI, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling, no backlight
micro-ATX, socket AM4, chipset AMD B550, 4 x DDR4, DIMM, 4400 MHz, USB-C, HDMI, DisplayPort, M.2, Wi-Fi, M.2 cooling, no backlight
micro-ATX, socket AM4, chipset AMD A520, 2 x DDR4, DIMM, 4600 MHz, USB-C, HDMI, M.2, no backlight
micro-ATX, socket LGA 1700, chipset Intel B760, 4 x DDR4, DIMM, 4800 MHz, USB-C, HDMI, DisplayPort, M.2, M.2 cooling, no backlight
micro-ATX, socket LGA 1851, chipset Intel H810, 2 x DDR5, DIMM, 6400 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, no backlight
micro-ATX, socket AM4, chipset AMD A520, 2 x DDR4, DIMM, 4600 MHz, USB-C, HDMI, DisplayPort, M.2, M.2 cooling, no backlight
ATX, socket AM4, chipset AMD B550, 4 x DDR4, DIMM, 4400 MHz, USB-C, HDMI, DisplayPort, M.2, > 4 SATA3, CrossFire, M.2 cooling, no backlight
ATX, socket LGA 1700, chipset Intel Z790, 4 x DDR5, DIMM, 7000 MHz, USB-C, HDMI, DisplayPort, M.2, > 4 SATA3, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
micro-ATX, socket AM5, chipset AMD A620, 2 x DDR5, DIMM, 6800 MHz, USB-C, HDMI, M.2, LAN 2.5 Gbps, no backlight
micro-ATX, socket AM5, chipset AMD B850, 4 x DDR5, DIMM, 8200 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling, no backlight
ATX, socket LGA 1851, chipset Intel Z890, 4 x DDR5, DIMM, 8600 MHz, USB-C, USB4, HDMI, DisplayPort, Thunderbolt v4, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
micro-ATX, socket LGA 1200, chipset Intel H470, 2 x DDR4, DIMM, 2933 MHz, USB-C, HDMI, M.2, no backlight
micro-ATX, socket AM5, chipset AMD B850, 4 x DDR5, DIMM, 8200 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling, no backlight
AccessoriesAll accessories for MSI B550M-A PRO →
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We recommendCompare using chart →
ATX, socket AM4, chipset AMD B550, 4 x DDR4, DIMM, 4733 MHz, USB-C, HDMI, M.2, no backlight
ATX, socket AM4, chipset AMD B550, 4 x DDR4, DIMM, 4600 MHz, USB-C, HDMI, DisplayPort, M.2, > 4 SATA3, LAN 2.5 Gbps, CrossFire, M.2 cooling
ATX, socket AM5, chipset AMD B650, 4 x DDR5, DIMM, 7200 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, CrossFire, Wi-Fi, M.2 cooling, no backlight
micro-ATX, socket AM5, chipset AMD B650, 2 x DDR5, DIMM, 7200 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, CrossFire, M.2 cooling, no backlight
micro-ATX, socket AM5, chipset AMD B650, 2 x DDR5, DIMM, 6400 MHz, USB-C, HDMI, M.2, LAN 2.5 Gbps, M.2 cooling, no backlight
ATX, socket AM5, chipset AMD B850, 4 x DDR5, DIMM, 8000 MHz, USB-C, USB4, HDMI, DisplayPort, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling
ATX, socket AM5, chipset AMD X870, 4 x DDR5, DIMM, 8000 MHz, USB-C, USB4, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, White Edition
ATX, socket AM5, chipset AMD B650, 4 x DDR5, DIMM, 8000 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
micro-ATX, socket AM5, chipset AMD B850, 4 x DDR5, DIMM, 8000 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
micro-ATX, socket AM5, chipset AMD B850, 4 x DDR5, DIMM, 8200 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling, no backlight, White Edition
micro-ATX, socket LGA 1700, chipset Intel B760, 4 x DDR4, DIMM, 5333 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
ATX, socket AM5, chipset AMD B850, 4 x DDR5, DIMM, 8000 MHz, USB-C, HDMI, M.2, LAN 2.5 Gbps, M.2 cooling