MSI MAG B550M MORTAR
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MSI MAG B550M MORTAR
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
One of MSI's most balanced mid-range gaming motherboards based on the 2020 AMD B550 chipset. It features small overall dimensions (microATX format), support for high-frequency DDR4 RAM modules (up to 4400 MHz) and an impressive maximum installed RAM volume (up to 128 GB). It is a compact and well-equipped motherboard from the MSI Arsenal Gaming family that fully supports AMD Ryzen 3000 processors with Matisse/Matisse Refresh cores (7nm) and Ryzen 4000 APUs (Renoir core, 7nm).
It differs from its predecessor board (MSI B450M MORTAR) by supporting the PCIe Gen 4.0 system interface, which allows you to double the data transfer speed with high-speed NVMe SSDs and the latest gaming graphics cards. The MSI MAG B550M MORTAR motherboard is positioned as a solid foundation for building multifunctional home PCs, mid/high-end gaming configurations and workstations. Equipped with four DIMM slots. In addition to two fast NVMe SSDs (one with PCIe Gen 4.0), it is capable of handling four SATA3 drives. The RTL8125B (2.5 Gbps) controller will help to organize ultra-fast traffic transmission in the LAN network. Audio output is provided by the Realtek ALC1200 8-channel HDA codec with optical output.
All specifications
Specifications MAG B550M MORTAR
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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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MSI AM4 AMD Micro ATX Motherboard MAG B550M MORTAR AM4 Micro ATX AMD Motherboard | $142.94 |  | |||
MSI MAG B550M MORTAR AM4 Micro ATX AMD Motherboard MAG B550 MORTAR | $166.31 |  | |||
MSI MAG B550M MORTAR Desktop Motherboard - AMD B550 Chipset - Socket AM4 - Micro ATX - 128 GB DDR4 SDRAM Maximum RAM - DIMM, | $187.13 |  | |||
MSI B550MMOR MSI MAG B550M MORTAR Desktop System Board (Motherboard) AMD B550 Chipset Socket AM4 Refurbished B550MMOR | $255.28 |  | |||
MSI B550MMOR | MAG B550M MORTAR Desktop System Board (Motherboard) AMD B550 Chipset Socket AM4 Refurbished B550MMOR | $270.00 |  | |||
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
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 X870, 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 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 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 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 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 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 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 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 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 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 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
AccessoriesAll accessories for MSI MAG B550M MORTAR →
Excellent vrm cooling system. Which can easily cope with the Ryzen 9 5950X, not to mention less powerful processors. Availability of two 5v connectors for connecting argb backlight, two 12v rgb, usb tape c connector, system fan 4 pieces. Convenient bios. Price, took for 10800r.  Dmitriy: use MSI MAG B550M MORTAR few months |
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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
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
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 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 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 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, 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