The MSI MAG B550M MORTAR MAX WIFI AM4 Micro - ATX Motherboard is engineered to support AMD Ryzen processors, providing a solid foundation for high - performance gaming and content creation. With its AMD B550 chipset and AM4 socket, this motherboard supports up to 128 GB of DDR4 memory across four slots, with speeds reaching up to 4400+ MHz (OC). It features dual - channel architecture and supports both non - ECC and ECC memory. The motherboard is equipped with multiple storage options, including six SATA III ports and two M.2 slots for high - speed SSDs, ensuring ample space for all your data needs. Connectivity is enhanced with Wi - Fi 6E support, offering tri - band capabilities for a fast and stable internet connection. The back panel includes a variety of USB ports, HDMI, and DisplayPort outputs, making it versatile for various setups. Additionally, the motherboard is designed with premium thermal solutions, including an extended heatsink and dedicated water cooling support, ensuring optimal performance even under heavy loads. With features like Audio Boost for superior sound quality and support for multi - GPU setups, the MSI MAG B550M MORTAR MAX WIFI is perfect for building a powerful and efficient system.
Mfr#: B550MMORTARMAXWIFI
|SKU#: MSI-E336F77B-WIFI










Brand Name
MSI
Model
MAG B550M MORTAR MAX WIFI
Chipset
AMD B550
CPU Socket
AM4
Form Factor
Micro-ATX
Memory Slots
4x 288-Pin
Memory Support
DDR4 1866, 2133, 2400, 2667, 2800, 2933, 3000, 3066, 3200, 3466, 3600, 3733, 3866, 4000, 4133, 4266, 4400 MT/s
Maximum Memory Capacity
128 GB
Expansion Slots
1x PCIe 4.0 x16, 1x PCIe 3.0 x16 (x4 mode), 2x PCIe 3.0 x1
Storage Slots
1x M.2 (M Key) 2242, 2260, 2280 (PCIe 4.0 x4, PCIe 3.0 x4), 1x M.2 (M Key) 2242, 2260, 2280 (PCIe 3.0 x4)
SATA Ports
6x SATA III
Wi-Fi
Wi-Fi 6E (802.11ax); Tri-Band (2.4, 5, & 6 GHz) with MU-MIMO Support
Bluetooth
5.2
Audio Codec
Realtek ALC1220P (7.1-Channel)
Ethernet Controller
1x Realtek RTL8125B 2.5Gigabit
USB Ports
1x USB-C (USB 3.1/3.2 Gen 2), 1x USB-A (USB 3.1/3.2 Gen 2), 2x USB-A (USB 3.0 / 3.1/3.2 Gen 1), 2x USB-A (USB 2.0)
Display Outputs
1x HDMI 2.1, 1x DisplayPort 1.4
Power Connectors
1x 24-Pin Mainboard, 1x 4-Pin CPU, 1x 8-Pin ATX
Dimensions
9.6 x 9.6 inches (24.4 x 24.4 cm)
Weight
3.14 lb
OS Compatibility
Windows 10 to 11 (64-Bit Only)
Dimensions
11 x 10.7 x 3.1 in
Weight
2.7 lb