MSI MAG B850M MORTAR WIFI motherboard AMD B850 Socket AM5 micro ATX

BrandMSI
SKU / Part numberMAG B850M MORTAR WIFI
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Product overview & specifications
AMD B850, 4x DDR5 8200(OC) MT/s, 1x HDMI, 4x SATA 6G, 3x M.2, mATX, Wi-Fi 7, 5G LAN
MSI MAG B850M MORTAR WIFI
MAG B850M MORTAR WIFI is designed for gamers with a stable, durable and DIY friendly foundation for their PC builds. Coming up with true Wi-Fi 7 solution, 5G LAN, USB 20Gbps, PCIe 5.0 solutions, Supplemental PCIe Power, and exclusive EZ DIY features, it's ready for the battlefield of AMD Ryzen™ 9000 series processors.

MSI's mainstream MAG series epitomizes stability and durability and is built to withstand the most intense gaming sessions. The entire lineup features robust construction with metallic-like hardness and excellent heat dissipation, ensuring stability for all critical gaming components.

Internal I/O
Number of M.2 (M) slots 3
USB 3.2 Gen 2 (3.1 Gen 2) connectors 1
Total number of SATA connectors 4
Front panel connector Yes
Supported storage drive interfaces M.2
USB 2.0 connectors 4
USB 3.2 Gen 1 (3.1 Gen 1) connectors 2
mSATA ports quantity 0
Number of SATA connectors 0
Number of SATA III connectors 4
Number of SATA II connectors 0
Front panel audio connector Yes
CPU fan connector Yes
ATX Power connector (24-pin) Yes
RGB LED pin header Yes
Number of CPU fan connectors 2
Number of water pump connectors 1
Number of RGB LED pin headers 3
Technical details
Motherboard chipset family AMD
Motherboard chipset AMD B850
Supported processor sockets Socket AM5
On-board graphics card No
HDMI version 2.1
Motherboard form factor micro ATX
Component for PC
Total number of SATA connectors 4
Audio
Audio output channels 7.1 channels
Performance
Number of HDDs supported 4
Supported storage drive types HDD & SSD
Windows operating systems supported Windows 11 x64
Motherboard chipset family AMD
Motherboard chipset AMD B850
RAID levels 0, 1, 10
Supported processor sockets Socket AM5
Audio output channels 7.1 channels
Motherboard form factor micro ATX
Component for PC
Processor
Processor manufacturer AMD
Compatible processor series AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Supported processor sockets Socket AM5
Processor socket Socket AM5
Memory
Number of memory slots 4
Memory slots type DIMM
Supported memory types DDR5-SDRAM
Memory channels Dual-channel
Supported memory clock speeds 4800,5600,6400,8200 MHz
Maximum internal memory 256 GB
Supported memory clock speed (max) 8200 MHz
ECC ?ompatibility Non-ECC
Storage controllers
Number of HDDs supported 4
Supported storage drive types HDD & SSD
Supported storage drive interfaces M.2
RAID levels 0, 1, 10
Number of storage drives supported 7
RAID support Yes
Graphics
On-board graphics card No
Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 4
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity 0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity 3
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity 2
USB 2.0 ports quantity 0
VGA (D-Sub) ports quantity 0
HDMI version 2.1
HDMI ports quantity 1
Ethernet LAN (RJ-45) ports 1
DVI-D ports quantity 0
Network
Ethernet LAN Yes
Wi-Fi Yes
Wi-Fi standards 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax), Wi-Fi 7 (802.11be)
Ethernet interface type 5 Gigabit Ethernet
Bluetooth Yes
Bluetooth version 5.4
Top Wi-Fi standard Wi-Fi 7 (802.11be)
Features
Windows operating systems supported Windows 11 x64
Motherboard chipset family AMD
Motherboard chipset AMD B850
Supported processor sockets Socket AM5
Audio output channels 7.1 channels
Motherboard form factor micro ATX
Component for PC
Audio chip Realtek ALC4080
Product colour Black
Expansion slots
Number of M.2 (M) slots 3
PCI Express x16 (Gen 3.x) slots 1
PCI Express x4 slots 1
PCI Express x16 slots 1
PCI Express x16 (Gen 4.x) slots 1
PCI Express x16 (Gen 5.x) slots 1
1st M.2 largest key size 2280
1st M.2 highest PCI Express generation 5.0
2nd M.2 largest key size 2280
2nd M.2 highest PCI Express generation 5.0
3rd M.2 largest key size 2280
3rd M.2 highest PCI Express generation 4.0
BIOS
BIOS type UEFI AMI
BIOS memory size 256 Mbit
ACPI version 6.5
System Management BIOS (SMBIOS) version 3.7
Software
Windows operating systems supported Windows 11 x64
Weight & dimensions
Width 243.8 mm
Depth 243.8 mm
Other features
mSATA ports quantity 0
MSI MAG B850M MORTAR WIFI motherboard AMD B850 Socket AM5 micro ATX

MSI MAG B850M MORTAR WIFI motherboard AMD B850 Socket AM5 micro ATX

£252.00
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MSI MAG B850M MORTAR WIFI motherboard AMD B850 Socket AM5 micro ATX

MSI MAG B850M MORTAR WIFI motherboard AMD B850 Socket AM5 micro ATX

£252.00
AMD B850, 4x DDR5 8200(OC) MT/s, 1x HDMI, 4x SATA 6G, 3x M.2, mATX, Wi-Fi 7, 5G LAN
MSI MAG B850M MORTAR WIFI
MAG B850M MORTAR WIFI is designed for gamers with a stable, durable and DIY friendly foundation for their PC builds. Coming up with true Wi-Fi 7 solution, 5G LAN, USB 20Gbps, PCIe 5.0 solutions, Supplemental PCIe Power, and exclusive EZ DIY features, it's ready for the battlefield of AMD Ryzen™ 9000 series processors.

MSI's mainstream MAG series epitomizes stability and durability and is built to withstand the most intense gaming sessions. The entire lineup features robust construction with metallic-like hardness and excellent heat dissipation, ensuring stability for all critical gaming components.

Internal I/O
Number of M.2 (M) slots 3
USB 3.2 Gen 2 (3.1 Gen 2) connectors 1
Total number of SATA connectors 4
Front panel connector Yes
Supported storage drive interfaces M.2
USB 2.0 connectors 4
USB 3.2 Gen 1 (3.1 Gen 1) connectors 2
mSATA ports quantity 0
Number of SATA connectors 0
Number of SATA III connectors 4
Number of SATA II connectors 0
Front panel audio connector Yes
CPU fan connector Yes
ATX Power connector (24-pin) Yes
RGB LED pin header Yes
Number of CPU fan connectors 2
Number of water pump connectors 1
Number of RGB LED pin headers 3
Technical details
Motherboard chipset family AMD
Motherboard chipset AMD B850
Supported processor sockets Socket AM5
On-board graphics card No
HDMI version 2.1
Motherboard form factor micro ATX
Component for PC
Total number of SATA connectors 4
Audio
Audio output channels 7.1 channels
Performance
Number of HDDs supported 4
Supported storage drive types HDD & SSD
Windows operating systems supported Windows 11 x64
Motherboard chipset family AMD
Motherboard chipset AMD B850
RAID levels 0, 1, 10
Supported processor sockets Socket AM5
Audio output channels 7.1 channels
Motherboard form factor micro ATX
Component for PC
Processor
Processor manufacturer AMD
Compatible processor series AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Supported processor sockets Socket AM5
Processor socket Socket AM5
Memory
Number of memory slots 4
Memory slots type DIMM
Supported memory types DDR5-SDRAM
Memory channels Dual-channel
Supported memory clock speeds 4800,5600,6400,8200 MHz
Maximum internal memory 256 GB
Supported memory clock speed (max) 8200 MHz
ECC ?ompatibility Non-ECC
Storage controllers
Number of HDDs supported 4
Supported storage drive types HDD & SSD
Supported storage drive interfaces M.2
RAID levels 0, 1, 10
Number of storage drives supported 7
RAID support Yes
Graphics
On-board graphics card No
Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 4
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity 0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity 3
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity 2
USB 2.0 ports quantity 0
VGA (D-Sub) ports quantity 0
HDMI version 2.1
HDMI ports quantity 1
Ethernet LAN (RJ-45) ports 1
DVI-D ports quantity 0
Network
Ethernet LAN Yes
Wi-Fi Yes
Wi-Fi standards 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax), Wi-Fi 7 (802.11be)
Ethernet interface type 5 Gigabit Ethernet
Bluetooth Yes
Bluetooth version 5.4
Top Wi-Fi standard Wi-Fi 7 (802.11be)
Features
Windows operating systems supported Windows 11 x64
Motherboard chipset family AMD
Motherboard chipset AMD B850
Supported processor sockets Socket AM5
Audio output channels 7.1 channels
Motherboard form factor micro ATX
Component for PC
Audio chip Realtek ALC4080
Product colour Black
Expansion slots
Number of M.2 (M) slots 3
PCI Express x16 (Gen 3.x) slots 1
PCI Express x4 slots 1
PCI Express x16 slots 1
PCI Express x16 (Gen 4.x) slots 1
PCI Express x16 (Gen 5.x) slots 1
1st M.2 largest key size 2280
1st M.2 highest PCI Express generation 5.0
2nd M.2 largest key size 2280
2nd M.2 highest PCI Express generation 5.0
3rd M.2 largest key size 2280
3rd M.2 highest PCI Express generation 4.0
BIOS
BIOS type UEFI AMI
BIOS memory size 256 Mbit
ACPI version 6.5
System Management BIOS (SMBIOS) version 3.7
Software
Windows operating systems supported Windows 11 x64
Weight & dimensions
Width 243.8 mm
Depth 243.8 mm
Other features
mSATA ports quantity 0

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