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MSI

MSI ARSENAL GAMING B360M MORTAR LGA 1151 (300 Series) Intel motherboard

SKU CH-KBQM-96SQ1

Micro-ATX board for 8th and 9th Gen Intel Core CPUs with four DDR4 slots, dual M.2 and Intel gigabit LAN

  • ProcessorCore i7 / i5 / i3 (8th Gen, LGA1151)
  • ChipsetIntel B360
  • Form factorMicro ATX
  • CPU socketLGA 1151 (300 Series)
  • Onboard video chipSupported only by CPU with integrated graphic
  • Memory slot count4 × 288pin (DDR4)
  • Supports 8th and 9th Gen Intel Core processors via LGA 1151 (300 Series) socket
  • Dual-channel DDR4 memory up to 64 GB at 2666 MHz across four 288-pin slots
  • Two PCIe 3.0 x16 and two PCIe x1 slots for graphics and add-in cards
  • Four SATA 6Gb/s ports and two M.2 sockets with Intel Optane memory ready
  • Realtek ALC892 7.1-channel audio and Intel I219-V 1 Gbps LAN

B360 Micro-ATX for 8th/9th Gen Intel

This Micro-ATX motherboard uses the Intel B360 chipset and an LGA 1151 socket to support 8th and 9th Generation Core i7, i5 and i3 processors. It targets builders who want a compact foundation for a mainstream gaming or productivity system without overclocking features. Four DDR4 slots accept up to 64GB of memory running at 2666, 2400 or 2133 MHz in dual-channel mode.

Military-class parts and versatile I/O

The board is built with military-class components for durability and includes Gaming LED accents. Two full-size PCI Express 3.0 x16 slots and two x1 slots give room for a graphics card plus add-in cards such as capture or sound devices. Storage connectivity covers four SATA 6Gb/s ports and two M.2 sockets, with Intel Optane memory ready for caching. Rear video outputs comprise HDMI, DisplayPort and DVI, all driven by the processor’s integrated graphics.

B360 platform limits and connectivity

The B360 chipset locks the CPU multiplier, so overclocking is not possible on this platform. Memory speed tops out at the official DDR4 2666 standard even if faster modules are installed. Networking relies on a single Intel I219-V controller delivering 1Gbps Ethernet, while audio uses the Realtek ALC892 codec for 7.1-channel output. Only six USB ports are provided in total, with two operating at USB 3.1 speeds.

How it compares

Measured against everything we stock in Motherboards for Intel CPUs, at today’s prices. Recalculated every night.

Price $75.99
Cheaper than about 65% of the 2,965 comparable items (median $97.99).

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Specifications

Product
Brand nameMSI
Product lineARSENAL GAMING
Model nameB360M MORTAR
Processor
ProcessorCore i7 / i5 / i3 (8th Gen, LGA1151)
CPU socketLGA 1151 (300 Series)
ChipsetIntel B360
Memory
Memory slot count4 × 288pin (DDR4)
Supported memoryDDR4 2666
Max supported RAM64 GB
Memory channelsDual Channel
Storage
SATA ports4 x SATA 6Gb/s
M.2 slots2 x M.2
Optane memory supportYes
Graphics
Onboard video chipSupported only by CPU with integrated graphic
Audio & video
Audio chipRealtek ALC892
Sound channels7.1 Channels
Connectivity
Ethernet controllerIntel I219-V
Maximum network speed1 Gbit/s
Ports & slots
PCIe 3.0 x16 slots2 x PCI Express 3.0 x16
PCIe x1 slots2 x PCI Express x1
Onboard USB headers3 x USB 3.1 + 2 x USB 2.0
Power
Power connectors24 Pin
Size & build
Form factorMicro ATX
Width and length9.6 in × 9.6 in
More details
LightingRGB

Questions about this item

What PCI Express 3.0 x16 lanes does the B360M MORTAR provide for graphics cards?

Two full-length PCI Express 3.0 x16 slots are available for add-in graphics cards.

What clearance and form-factor limits apply when mounting this board in a case?

Micro ATX footprint fits standard standoffs; four DDR4 DIMM slots and two M.2 sockets sit clear of most CPU coolers and long GPUs.

How do I install memory correctly on the four DDR4 slots, and what step is often missed?

Populate the two grey slots first for dual-channel 2666 MHz operation, then the black pair; seat each module until both side clips click.

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