MSI B550-A PRO
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MSI B550-A PRO
Towards:gaming
Form Factor:ATX
Socket:AMD AM4
Chipset:AMD B550
BIOS:Ami
RAM slots:DDR4 4 sl
RAM form factor:DIMM
RAM clock:4400 MHz
Sound (channels):7.1
Connectors:HDMI, M.2
Additional connectors:DisplayPort
Power connector:24 pin
Processor power:8 pin
Well-balanced 2020 ATX multi-purpose motherboard with AMD AM4 socket and mid-range B550 chipset. Designed to complete gaming systems, high-performance universal home PCs and entry-level workstations. Thanks to the reinforced PCI-E slot connector, it can work with massive and large-sized top-end discrete gaming video cards. It is positioned as a product of the middle price category.
Guaranteed compatible with AMD Ryzen 3000 (Matisse/Matisse Refresh, 7nm) and Ryzen 4000G (Renoir, 7nm) APUs. Unlike the previous generation models based on the B450 chipset), MSI B550-A PRO motherboard fully supports the high-speed PCI-E Gen 4.0 system interface, which allows you to 100% increase the speed of loading textures into progressive models of discrete graphics cards and speed up the exchange data with fast NVMe SSDs. With four DDR4 DIMM slots, you can install an impressive maximum total amount of RAM (up to 128 GB), which is more than enough for gaming, streaming and solving any household/professional tasks. It is also worth noting the presence of a high-speed network GbE LAN adapter Realtek 8111H and two digital video outputs (HDMI, DisplayPort).
All specifications
Specifications B550-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 2025 - 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 2025 - new arrivals, bestsellers, and the most relevant models MSI.
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Series MSI PRO (home/office)Compare using chart →
ATX, socket AMD 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
ATX, socket AMD 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 AMD AM5, chipset AMD B650, 4 x DDR5, DIMM, 6000 MHz, USB C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, no backlight
micro-ATX, socket AMD AM4, chipset AMD A520, 2 x DDR4, DIMM, 4600 MHz, USB C, HDMI, M.2, no backlight
ATX, socket AMD AM4, chipset AMD B550, 4 x DDR4, DIMM, 4400 MHz, USB C, HDMI, DisplayPort, M.2, > 4 SATA3, CrossFire, M.2 cooling, no backlight
micro-ATX, socket AMD AM4, chipset AMD B550, 4 x DDR4, DIMM, 4400 MHz, USB C, HDMI, DisplayPort, M.2, Wi-Fi, M.2 cooling, no backlight
ATX, socket Intel LGA 1851, chipset Intel Z890, 4 x DDR5, DIMM, 9200 MHz, USB C, HDMI, DisplayPort, Thunderbolt 4, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling, no backlight
micro-ATX, socket AMD AM5, chipset AMD A620, 2 x DDR5, DIMM, 6400 MHz, USB C, HDMI, M.2, no backlight
micro-ATX, socket AMD AM5, chipset AMD B650, 4 x DDR5, DIMM, 6400 MHz, USB C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
ATX, socket AMD AM5, chipset AMD X870, 4 x DDR5, DIMM, 8200 MHz, USB C, HDMI, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling, no backlight
ATX, socket Intel LGA 1700, chipset Intel Z790, 4 x DDR5, DIMM, 7800 MHz, USB C, HDMI, DisplayPort, M.2, > 4 SATA3, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
micro-ATX, socket Intel LGA 1700, chipset Intel H610, 2 x DDR5, DIMM, 5600 MHz, USB C, HDMI, M.2, no backlight
ATX, socket AMD AM5, chipset AMD B840, 4 x DDR5, DIMM, 8000 MHz, USB C, HDMI, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
micro-ATX, socket Intel LGA 1700, chipset Intel B760, 4 x DDR4, DIMM, 4800 MHz, USB C, HDMI, DisplayPort, M.2, M.2 cooling, no backlight
ATX, socket Intel LGA 1851, chipset Intel Z890, 4 x DDR5, DIMM, 8600 MHz, USB C, HDMI, DisplayPort, Thunderbolt 4, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
ATX, socket Intel 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
micro-ATX, socket AMD AM4, chipset AMD B450, 2 x DDR4, DIMM, 4133 MHz, USB C, HDMI, M.2, LAN 2.5 Gbps, no backlight
ATX, socket Intel LGA 1700, chipset Intel B760, 4 x DDR5, DIMM, 7000 MHz, USB C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, M.2 cooling, no backlight
micro-ATX, socket Intel LGA 1700, chipset Intel H610, 2 x DDR4, DIMM, 3200 MHz, USB C, HDMI, DisplayPort, M.2, no backlight
micro-ATX, socket Intel LGA 1851, chipset Intel B860, 4 x DDR5, DIMM, 8800 MHz, USB C, HDMI, DisplayPort, Thunderbolt 4, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling, no backlight
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We recommendCompare using chart →
ATX, socket AMD AM4, chipset AMD B550, 4 x DDR4, DIMM, 4800 MHz, USB C, HDMI, DisplayPort, M.2, > 4 SATA3, CrossFire, no backlight
ATX, socket AMD 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 AMD AM4, chipset AMD B550, 4 x DDR4, DIMM, 4866 MHz, USB C, HDMI, DisplayPort, M.2, > 4 SATA3, LAN 2.5 Gbps, CrossFire, Wi-Fi, M.2 cooling, no backlight
ATX, socket AMD AM4, chipset AMD B550, 4 x DDR4, DIMM, 5100 MHz, USB C, HDMI, DisplayPort, M.2, > 4 SATA3, LAN 2.5 Gbps, CrossFire, M.2 cooling
ATX, socket AMD AM4, chipset AMD B550, 4 x DDR4, DIMM, 5100 MHz, USB C, HDMI, DisplayPort, M.2, > 4 SATA3, LAN 2.5 Gbps, CrossFire, Wi-Fi, M.2 cooling
micro-ATX, socket AMD AM4, chipset AMD B550, 4 x DDR4, DIMM, 4400 MHz, USB C, HDMI, DisplayPort, M.2, Wi-Fi, M.2 cooling, no backlight
ATX, socket AMD AM4, chipset AMD B550, 4 x DDR4, DIMM, 4733 MHz, USB C, HDMI, M.2, no backlight
ATX, socket AMD AM5, chipset AMD X670E, 4 x DDR5, DIMM, 7800 MHz, USB C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
micro-ATX, socket AMD AM4, chipset AMD A520, 4 x DDR4, DIMM, 4866 MHz, USB C, HDMI, DisplayPort, M.2, Wi-Fi, M.2 cooling
ATX, socket AMD 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 AMD 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
ATX, socket Intel LGA 1700, chipset Intel Z790, 4 x DDR5, DIMM, 7800 MHz, USB C, HDMI, DisplayPort, M.2, > 4 SATA3, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
