MSI MAG B550M MORTAR WIFI
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MSI MAG B550M MORTAR WIFI
Towards:gaming
Form Factor:micro-ATX
Socket: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
A compact and well-equipped mid-range gaming motherboard based on the 2020 AMD B550 chipset. It features modest overall dimensions (microATX form factor) and the presence of two high-speed network interfaces: Intel Wi-Fi 6 AX200 with Bluetooth 5.1 and 2.5GbE LAN on the RTL8125B controller (up to 2.5 Gbps). It is a motherboard from the popular MSI Arsenal Gaming line. Guaranteed to work with 4/6/8/12/16-core AMD Ryzen 3000/5000 processors with Matisse/Vermeer cores (7nm) and Ryzen 4000G/5000G APUs (Renoir/Cezanne core, 7nm).
Supports high-speed PCIe Gen4 system interface, which gives you the opportunity to double the data transfer speed with high-speed NVMe SSDs and high-performance gaming/professional graphics cards. MSI MAG B550M MORTAR WIFI motherboard allows you to install up to 128GB DDR4 RAM (up to 4400MHz) in dual channel mode. The MSI MAG B550M MORTAR motherboard is positioned as a solid foundation for building feature-packed home PCs, mid/high-end gaming configurations and workstations. Equipped with 4 slots for DIMM modules. In addition to two fast NVMe SSDs (one with PCIe Gen 4.0), it can handle six SATA3 drives. To connect peripheral devices, USB-C 3.2 Gen2 and USB 3.2 Gen1 interfaces are provided.
All specifications
Specifications MAG B550M MORTAR WIFI
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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.
Series MSI MAG (durable)Compare using chart →
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
ATX, socket AM5, chipset AMD X870E, 4 x DDR5, DIMM, 8400 MHz, USB-C, USB4, HDMI, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling, no backlight
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 X870E, 4 x DDR5, DIMM, 8400 MHz, USB-C, USB4, HDMI, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling, no backlight, White Edition
ATX, socket LGA 1851, chipset Intel B860, 4 x DDR5, DIMM, 9200 MHz, USB-C, USB4, HDMI, DisplayPort, Thunderbolt v4, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling, no backlight
ATX, socket AM5, chipset AMD X870, 4 x DDR5, DIMM, 8400 MHz, USB-C, USB4, HDMI, M.2, LAN 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, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling, no backlight
ATX, socket AM5, chipset AMD X870E, 4 x DDR5, DIMM, 8400 MHz, USB-C, USB4, HDMI, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling, no backlight
ATX, socket LGA 1700, chipset Intel B760, 4 x DDR5, DIMM, 7000 MHz, USB-C, HDMI, DisplayPort, M.2, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
ATX, socket 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
ATX, socket LGA 1700, chipset Intel Z790, 4 x DDR5, DIMM, 7200 MHz, USB-C, HDMI, DisplayPort, M.2, > 4 SATA3, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
ATX, socket LGA 1700, chipset Intel Z790, 4 x DDR4, DIMM, 5333 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, DisplayPort, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling, no backlight, White Edition
ATX, socket 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
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
ATX, socket AM4, chipset AMD B550, 4 x DDR4, DIMM, 4866 MHz, USB-C, HDMI, DisplayPort, M.2, > 4 SATA3, LAN 2.5 Gbps, CrossFire, M.2 cooling
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, White Edition
ATX, socket LGA 1851, chipset Intel Z890, 4 x DDR5, DIMM, 9200 MHz, USB-C, USB4, HDMI, Thunderbolt v4, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling, no backlight
micro-ATX, socket AM5, chipset AMD B650, 4 x DDR5, DIMM, 6400 MHz, USB-C, HDMI, DisplayPort, M.2, > 4 SATA3, LAN 2.5 Gbps, Wi-Fi, M.2 cooling, no backlight
micro-ATX, socket LGA 1200, chipset Intel B460, 4 x DDR4, DIMM, 2933 MHz, USB-C, HDMI, DisplayPort, M.2, > 4 SATA3, LAN 2.5 Gbps, CrossFire, M.2 cooling, no backlight
possibly the best mATX motherboard on the B550 chipset excellent cooling, presence of a connector for USB-C on the front panel of the case, convenient placement of PCI slots poor lighting management compared to ASUS boards; also, the lighting on Crucial RAM is very glitchy/doesn't work properly on this MB - keep that in mind.  Rick: |
Overall, the board is as expected. Nothing supernatural. The heat dissipation is well implemented. There is an M.2 slot heatsink. I was very pleased with the presence of a USB Type-C bracket and 5 (5, CARL!) fan connectors. The only thing I missed was a connector for an external thermal sensor. I used it with a 3900 and G-Skill 32Gb 3600MHz 17-19-19-19-39 memory. Everything worked as expected. With PBO enabled, core frequency during stress testing holds at 4.1-4.2 GHz. Just like on the Aorus B550i Pro AX. However, according to foreign reviews, the board falls short when using more power-demanding processors compared to solutions with more powerful power supply and almost all boards on x570. Again, I can't say much about overclocking as I'm not into it. The board is decent - I recommend buying it. Optics on the sound card Not the most successful power subsystem, it's not worth installing the 5950x here There is no connector for an external temperature sensor |
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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
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
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
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, White Edition
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 AM4, chipset AMD X570, 4 x DDR4, DIMM, 4400 MHz, USB-C, HDMI, M.2, > 4 SATA3, CrossFire, M.2 cooling, no backlight
ATX, socket AM5, chipset AMD B850, 4 x DDR5, DIMM, 8200 MHz, USB-C, DisplayPort, M.2, LAN 5 Gbps, Wi-Fi, M.2 cooling, no backlight
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
ATX, socket AM4, chipset AMD B550, 4 x DDR4, DIMM, 4400 MHz, USB-C, HDMI, DisplayPort, M.2, > 4 SATA3, CrossFire, M.2 cooling
micro-ATX, socket AM4, chipset AMD B550, 4 x DDR4, DIMM, 4733 MHz, USB-C, HDMI, DisplayPort, M.2, 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
E-ATX, socket AM5, chipset AMD X870E, 4 x DDR5, DIMM, 8200 MHz, USB-C, USB4, HDMI, M.2, > 4 SATA3, LAN 5 Gbps, CrossFire, Wi-Fi, M.2 cooling