MSI MAG B850M MORTAR WIFI Motherboard

SKU: 4711377321150

£211.92 inc VAT

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About This Item

  • AMD B850 chipset with Socket AM5 for AMD Ryzen 7000/8000/9000 Series processors
  • micro ATX form factor with 4 DDR5 DIMM slots supporting up to 256GB memory
  • Triple M.2 slots (2x PCIe 5.0, 1x PCIe 4.0) for high-speed NVMe storage
  • Wi-Fi 7 and 5Gb Ethernet for ultra-fast wireless and wired connectivity
  • 4 SATA III ports plus 7 total storage drive support with RAID 0/1/10

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Description

MSI MAG B850M MORTAR WIFI | Micro ATX Gaming Motherboard

The MSI MAG B850M MORTAR WIFI motherboard AMD B850 Socket AM5 micro ATX delivers a rock-solid foundation for AMD Ryzen 7000, 8000, and 9000 series builds. Built for gamers who demand stability, durability, and next-gen connectivity, it features Wi-Fi 7, 5G LAN, PCIe 5.0, and three M.2 slots for high-speed storage.

Specifications

MetricSpec
Processor SocketSocket AM5
Memory SupportDDR5, up to 256 GB
PCIe Slots1 x PCIe 5.0 x16, 1 x PCIe 4.0 x16
Storage3 x M.2, 4 x SATA III
NetworkWi-Fi 7, 5G LAN, Bluetooth 5.4

Next-Gen Connectivity for Modern Gaming

With true Wi-Fi 7 support, the MAG B850M MORTAR WIFI ensures ultra-low latency and high bandwidth for online gaming and streaming. The 5G LAN port delivers blazing-fast wired connections, while Bluetooth 5.4 supports the latest peripherals. Two USB 3.2 Gen 2 Type-C ports and four Type-A ports provide ample high-speed connectivity for modern devices.

Triple M.2 Slots with PCIe 5.0

Storage performance reaches new heights with three M.2 slots – two supporting PCIe 5.0 for the fastest NVMe SSDs available. This configuration allows for up to 7 total storage drives when combined with the four SATA III ports. Whether you’re loading massive game libraries or editing 4K video, storage bottlenecks become a thing of the past.

Robust Power Delivery for Ryzen Processors

The MAG B850M MORTAR WIFI features enhanced power delivery systems designed to handle the latest AMD Ryzen 9000 series processors. With two CPU fan headers and one water pump header, you can maintain optimal thermals even under heavy loads. The micro ATX form factor provides a compact footprint without compromising on features or stability.

EZ DIY Features for Easy Building

MSI’s exclusive EZ DIY features make installation straightforward, even for first-time builders. The motherboard includes clearly labelled headers, reinforced PCIe slots, and comprehensive cooling solutions. The metallic construction and excellent heat dissipation ensure long-term reliability during intense gaming sessions.

What is in the box

  • MSI MAG B850M MORTAR WIFI motherboard
  • I/O shield
  • SATA cables (quantity not specified)
  • User manual and driver DVD
  • Warranty card

Check before you buy

  • Confirm your AMD Ryzen processor is compatible with Socket AM5
  • Verify your case supports micro ATX form factor (243.8 x 243.8 mm)
  • Check if your GPU requires additional PCIe power connectors
  • Confirm your PSU has a 24-pin ATX power connector available

Questions and answers

Does this motherboard support DDR4 memory?
No, it only supports DDR5-SDRAM memory modules.
Can I use this with an Intel processor?
No, this motherboard is designed exclusively for AMD Socket AM5 processors.
How many graphics cards can I install?
It supports one full-size graphics card via the PCIe 5.0 x16 slot.
Is Wi-Fi 7 backwards compatible?
Yes, Wi-Fi 7 is backwards compatible with previous Wi-Fi standards including Wi-Fi 6 and Wi-Fi 5.
Does it come with RGB lighting?
Yes, it features RGB LED headers and supports MSI Mystic Light software for customisation.

Why we rate it

The MSI MAG B850M MORTAR WIFI motherboard AMD B850 Socket AM5 micro ATX represents excellent value for gamers building AMD Ryzen systems who want cutting-edge connectivity without the premium price tag. Its combination of Wi-Fi 7, PCIe 5.0 storage, and robust power delivery makes it ideal for both gaming and content creation. Covered by the applicable manufacturer warranty.

Additional information
USB 3.2 Gen 2 3.1 Gen 2 connectors1
Front panel connectorYes
USB 2.0 connectors4
USB 3.2 Gen 1 3.1 Gen 1 connectors2
Number of SATA III connectors4
Front panel audio connectorYes
CPU fan connectorYes
ATX Power connector 24-pinYes
RGB LED pin headerYes
Number of CPU fan connectors2
Number of water pump connectors1
Number of RGB LED pin headers3
Total number of SATA connectors4
Processor manufacturerAMD
Compatible processor seriesAMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Processor socketSocket AM5
Number of memory slots4
Memory slots typeDIMM
Memory channelsDual-channel
Supported memory clock speeds4800,5600,6400,8200 MHz
Maximum internal memory256 GB
Supported memory clock speed max8200 MHz
ECC сompatibilityNon-ECC
Number of HDDs supported4
Supported storage drive typesHDD & SSD
Supported storage drive interfacesM.2
RAID levels1, 10
Number of storage drives supported7
RAID supportYes
On-board graphics cardNo
USB 3.2 Gen 1 3.1 Gen 1 Type-A ports quantity4
USB 3.2 Gen 2 3.1 Gen 2 Type-A ports quantity3
USB 3.2 Gen 2 3.1 Gen 2 Type-C ports quantity2
HDMI ports quantity1
Ethernet LAN RJ-45 ports1
Wi-Fi standards802.11a, 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)
Bluetooth version5.4
Top Wi-Fi standardWi-Fi 7 (802.11be)
Motherboard chipset familyAMD
Supported processor socketsSocket AM5
Audio output channels7.1 channels
Component forPC
Audio chipRealtek ALC4080
Product colourBlack
Number of M.2 M slots3
PCI Express x16 Gen 3.x slots1
PCI Express x4 slots1
PCI Express x16 slots1
PCI Express x16 Gen 4.x slots1
PCI Express x16 Gen 5.x slots1
1st M.2 largest key size2280
1st M.2 highest PCI Express generation5.0
2nd M.2 largest key size2280
2nd M.2 highest PCI Express generation5.0
3rd M.2 largest key size2280
3rd M.2 highest PCI Express generation4.0
BIOS typeUEFI AMI
BIOS memory size256 Mbit
ACPI version6.5
System Management BIOS SMBIOS version3.7
Windows operating systems supportedWindows 11 x64
Width243.8 mm
Depth243.8 mm
Distributor SKUs126974, 4711377321150, 911-7E61-001, 583993

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