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Dark grey micro-ATX board with silver heatsinks and black slots

MSI

MSI MAG B860M MORTAR WIFI Intel motherboard

SKU CH-V5XE-FC2JN MPN MAG B860M MORTAR WIFI

An mATX Intel B860 board with LGA 1851 socket, DDR5 up to 9200 MT/s, PCIe 5.0 x16, M.2 Gen5, 5G LAN, Wi-Fi 7, Bluetooth 5.4 and Thunderbolt 4

  • CPU Socket TypeLGA 1851
  • CPU TypeIntel Core Ultra Processors (Series 2)
  • ChipsetIntel B860
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardUp to DDR5 9200+ MT/s (OC)
  • PCI Express 5.0 x161 x PCI Express 5.0 x16

Option MAG B860M MORTAR WIFI

  • MAG B860 TOMAHAWK WIFI
  • MAG B860M MORTAR WIFI
  • B860 GAMING PLUS WIFI
  • B860M Gaming PLUS WIFI
  • PRO B860-P WIFI
  • PRO B860M-A WIFI

Les versions barrées existent, mais ne sont pas disponibles ici.

  • Supports Intel Core Ultra Series 2 processors on LGA 1851 socket
  • DDR5 memory overclocked to 9200+ MT/s across four slots
  • PCIe 5.0 x16 slot and M.2 Gen5 deliver 128 GB/s bandwidth
  • Killer Wi-Fi 7 and 5 Gbps LAN for low-latency networking
  • Thunderbolt 4 port provides 40 Gb/s connectivity and 8K display support

Intel LGA 1851 micro-ATX board

The MAG B860M MORTAR WIFI is a micro-ATX motherboard built around the Intel B860 chipset for Intel Core Ultra Series 2 processors in the LGA 1851 socket. It targets builders who want current-generation connectivity in a compact form factor. Four DDR5 slots support memory speeds up to 9200 MT/s when overclocked.

PCIe 5.0 and M.2 Gen5 limits

One full-length PCIe 5.0 x16 slot delivers 128 GB/s bandwidth for graphics or accelerator cards, while a single M.2 socket runs at PCIe 5.0 x4 for the fastest available SSDs. Two additional M.2 slots operate at PCIe 4.0 x4, and four SATA 6Gb/s ports handle legacy storage. Networking uses a Killer E5000B 5G LAN controller and Killer Wi-Fi 7 BE1750x with Bluetooth 5.4.

Thunderbolt 4 decides the fit

A rear-panel Thunderbolt 4 port provides 40 Gb/s throughput, 8K display output, daisy-chaining and USB 4.0 compatibility over USB-C. If your workflow relies on high-speed external storage, docks or multiple 4K displays, this port is the specification that determines whether the board matches the build.

Points forts

  • Supports Intel Core Ultra Series 2 processors on LGA 1851 socket
  • DDR5 memory overclocked to 9200+ MT/s across four slots
  • PCIe 5.0 x16 slot and M.2 Gen5 deliver 128 GB/s bandwidth
  • Killer Wi-Fi 7 and 5 Gbps LAN for low-latency networking
  • Thunderbolt 4 port provides 40 Gb/s connectivity and 8K display support

Caractéristiques

BrandMSI
ModelMAG B860M MORTAR WIFI
CPU Socket TypeLGA 1851
CPU TypeIntel Core Ultra Processors (Series 2)
ChipsetIntel B860
Number of Memory Slots4x288pin (DDR5)
Memory StandardUp to DDR5 9200+ MT/s (OC)
PCI Express 5.0 x161 x PCI Express 5.0 x16
PCI Express x41 x PCI Express 4.0 x4
Serial ATA (SATA)4 x SATA 6Gb/s
M.21 x M.2 (Support PCIe 5.0 x4) / 2 x M.2 (Support PCIe 4.0 x4)
Audio Channels7.1 Channels
LAN ChipsetKiller E5000B
Max LAN Speed5Gbps
Wireless LANKiller Wi-Fi 7 BE1750x
BluetoothBluetooth 5.4
Back I/O Ports1 x Clear CMOS Button / 1 x DisplayPort / 1 x Flash BIOS Button / 1 x HDMI / 1 x LAN (RJ45) / 1 x Optical S/PDIF Out / 1 x Thunderbolt 4 / 1 x USB 3.2 Gen 2 Type-C / 2 x Antenna Bracket / 2 x Audio Jacks / 3 x USB 3.2 Gen 2 Type-A / 4 x USB 2.0/1.1
Form FactorMicro ATX
Poids d’expédition1.54 kg
Dimensions du colis279 × 277 × 71 mm

Autres versions de ce modèle

1 de plus dans cette gamme

Même famille, mémoire, ventirad ou fréquence différents — comparez avant de vous décider.

Questions sur cet article

Which DDR5 speed should I pick — a 9200 MT/s kit or something lower?

The board is validated up to 9200+ MT/s with overclocking; any standard DDR5 kit will run at its rated JEDEC speed and can be tuned higher in the BIOS if the modules and CPU allow.

What does the 5 Gbps LAN port deliver in actual use?

The Killer E5000B controller provides a 5 Gbps wired link; real-world throughput depends on your router, cabling and internet plan, but the hardware ceiling is five gigabits per second.

How fast can the M.2 slot labelled Gen5 really go?

One M.2 socket connects via PCIe 5.0 x4, giving a theoretical 128 GB/s bandwidth ceiling; actual drive speeds will match the SSD's own rating and thermal limits.

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