MSI® MAG B550M MORTAR WIFI/ MAG B550M MORTAR Motherboard Specifications

CPU Supports AM4 socket 3rd Gen AMD Ryzen™ processors, and future AMD Ryzen™ processors with BIOS update
Chipset AMD B550 Chipset
Memory 4x DDR4 memory slots, support up to 128GB*
Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDEC
DDR4 2667/ 2800 /2933 /3000 /3066 /3200/3466 /3600/ 3733 /3866 /4000 /4133 /4266 /4400+ MHz by A-XMP OC MODE
1DPC 1R max speed 4400 MHZ
1DPC 2R max speed 3733 MHZ
2DPC 1R max speed 3866 MHZ
2DPC 2R max speed 3466 MHZ
Dual channel memory architecture
Supports non-ECC UDIMM memory
Supports ECC UDIMM memory (non-ECC mode)
Supports un-buffered memory
* Please refer to for more information on compatible memory. Expansion Slot 1x PCIe 3.0/ 4.0 x16 slot (PCI_E1)*
1x PCIe 3.0 x16 slot (PCI_E4), supports x4 mode**
2x PCIe 3.0 x1 slots
* The supported specification depends on installed processor.
** PCI_E4 will be unavailable when an M.2 SSD is installed in the M2_2 slot.
Multi-GPU Supports 2-Way AMD CrossFire™ Technology
Onboard Graphics 1x HDMI port, supports a maximum resolution of 4096x2160 @24Hz*
1x DisplayPort,
supports a maximum resolution of 4096x2160 @60Hz*
Maximum shared memory of 2048 MB
 Available for the processor with integrated graphics.
Storage AMD B550 Chipset
6x SATA 6 GB/s ports

2x M.2 slots (Key M)
M2_1 slot (from AMD processor)
Supports PCIe 4.0/ 3.0 x4 *
Supports SATA 6 GB/s
Supports 2242/ 2260/ 2280 storage devices
M2_2 slot (from AMD B550 chipset)
Supports PCIe 3.0x4Supports 2242/ 2260/ 2280 storage devices
* The supported specification depends on installed processor.
RAID Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices
Supports RAID 0 and RAID 1 for M.2 NVMe storage devices
USB AMD B550 Chipset
3x USB 3.2 Gen 1 5Gbps ports (1 Type-C internal connector, and 2 ports are available through the internal USB 3.2 Gen 1 5Gbps connector)
6x USB 2.0 ports (2 Type-A ports on the back panel, 4 ports through the internal USB 2.0 connectors)
AMD Processor
2x USB 3.2 Gen 2 10Gbps ports (1 Type-C port and 1 Type-A port on the back panel)
2x USB 3.2 Gen 1 5Gbps Type-A ports on the back panel

Audio Realtek® ALC1200 Codec
7.1-Channel High Definition Audio
Supports S/PDIF output
LAN 1x Realtek® RTL8125B 2.5Gbps LAN controller

MSI Radeon RX 5600 XT GAMING X Graphics Processing Unit Specifications

Model Name Radeon RX 5600 XT GAMING X Graphics Processing Unit Radeon™ RX 5600 XT Interface PCI Express 4.0
Cores 2304 Units
Core Clocks Boost: Up to 1750 MHz / Game: Up to 1615 MHz / Base: 1420 MHz
(Game Clock is the expected GPU clock when running typical gaming applications, set to typical TGP (Total Graphics Power). Actual individual game clock results may vary.)
Memory Speed Up to 14 Gbps
Memory 6GB GDDR6
Memory Bus 192-bit
Output DisplayPort x 3 (v1.4) / HDMI 2.0b x 1
Support Y
Power consumption 150W (This data is not fixed, it may differ by core clocks.)
Power connectors 8-pin x 2
Recommended PSU 450W
Card Dimension(mm) 297 x 58 x 140 mm Weight (Card / Package) 1401g / 2032g DirectX Version Support 12
OpenGL Version Support 4.6
Multi-GPU Technology Y
Maximum Displays 4
VR Ready Y

Award-winning fan design combining two different fin designs for cool & quiet gaming.
Increases toughness of the card to prevent bending while complementing the design.
Eliminates fan noise by stopping the fans in low-load situations so you can focus on your game.
Mastery of Aerodynamics
Using groundbreaking aerodynamic techniques, the heatsink is optimized for efficient heat dissipation.
MSI OC graphics cards are equipped with higher clock speeds out of the box for increased performance.
Digital Maximum Resolution

An optimized PCB design with enhanced power delivery provides a solid base for high performance gaming.
A consolidated platform that offers all software including MYSTIC LIGHT functionality for your MSI Gaming product.

MSI Afterburner
The ultimate overclocking software with advanced control options and real-time hardware monitor.

Please note: This PC does not contain any Operating System i.e. Windows 10 Home/Windows 10 Pro. We recommend Windows 10 Pro 64bit, this OS can be installed at an additional charge.
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