MSI MAG B550M Mortar
MSI

MAG B550M Mortar

Motherboards
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Key specs
Socket
Socket AM4
Form factor
micro ATX
Memory
DDR4-SDRAM
Highlights

Specs that matter

Performance
Processor
AMD
Body
Weight
2.2 lb (1 kg)
At a glance

Product highlights

Verified attributes, grouped for quick scanning.

ChipsetAMD
Weight2.2 lb (1 kg)
63 attributes · See all specifications
Price & availability

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Product data

Full specifications

63 attributes, grouped for quick scanning. Spot a wrong value? Hit the next to it.

Wifi Version
No
Clear CMOS jumper
Yes
BIOS type
UEFI AMI
Number of M.2 (M) slots
2
PCI Express x16 (Gen 4.x) slots
1
PCI Express x16 (Gen 3.x) slots
1
PCI Express x1 (Gen 3.x) slots
2
Windows operating systems supported
Windows 10 x64
Number of mounting holes
8
Motherboard chipset family
AMD
Motherboard form factor
micro ATX
Component for
PC
Audio output channels
7.1 channels
Audio chip
Realtek ALC1200
Motherboard chipset
AMD B550
Maximum resolution
4096 x 2160 pixels
Parallel processing technology support
2-Way CrossFireX
Maximum graphics card memory
16000 MB
Manufacturer Sku
MAG B550M MORTAR
RGB LED pin header
Yes
12V power connector
Yes
TPM connector
Yes
Chassis intrusion connector
Yes
Number of chassis fan connectors
3
CPU fan connector
Yes
ATX Power connector (24-pin)
Yes
Front panel audio connector
Yes
Number of SATA III connectors
6
USB 3.2 Gen 1 (3.1 Gen 1) connectors
1
USB 2.0 connectors
2
Harmonized System (HS) code
84,733,020
Unbuffered memory
Yes
Maximum internal memory
128 GB
Supported memory clock speeds
1866,2133,2400,2667,2800,2933,3000,3066,3200,3466,3600,3733,3866,4000,4133,4266,4400 MHz
ECC сompatibility
ECC & Non-ECC
Memory slots type
DIMM
Number of memory slots
4
Supported memory types
DDR4-SDRAM
Memory Channels
Dual-channel
LAN controller
Realtek RTL8125B
Ethernet interface type
2.5 Gigabit Ethernet
Ethernet LAN
Yes
Model Number
MAG B550M Mortar
Depth
244 mm
Width
244 mm
DisplayPorts quantity
1
HDMI ports quantity
1
Maximum number of SMP processors
1
Compatible processor series
AMD Ryzen 3000 Series
Processor socket
Socket AM4
Processor manufacturer
AMD
Digital audio optical out
1
S/PDIF out port
Yes
PS/2 ports quantity
1
Ethernet LAN (RJ-45) ports
1
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
2
USB 2.0 ports quantity
2
Form Factor
micro ATX
RAID levels
0, 1, 10
Supported storage drive interfaces
SATA III
Supported storage drive types
HDD & SSD
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