MSI MAG B860M MORTAR WIFI DDR5 LGA 1851 Motherboard
Available Colors
MSI ( MSI MAG B860M MORTAR WIFI DDR5 LGA 1851 Motherboard )
Unite as One
The MAG B860M MORTAR WIFI is an Intel LGA 1851 gaming motherboard, offering cutting-edge connectivity features such as Wi-Fi 7, 5G LAN, Thunderbolt 4, PCIe 5.0, and M.2 Gen5. Designed for AI-PCs and EZ DIY, it’s an ideal mATX motherboard for Intel Core Ultra Processors.
Supports Intel Core Ultra Processors (Series 2)
The MAG B860M MORTAR WIFI motherboard supports Intel Core Ultra Processors (Series 2).
- Form Factor: mATX
- Socket Type: LGA 1851
- Chipset: Intel B860
Ultra Power - 12 Duet Rail Power System with 60A DrMOS
With exclusive Core Boost technology and dual 8 pin power connectors, the MAG B860M MORTAR WIFI is able to sustain heavy CPU power loads to support system-demanding game settings:
- Digital PWM IC
- 12 Duet Rail Power System with 60A DrMOS
- 1-Phase SA Power
- 1-Phase GT Power
- 1-Phase VNNAON Power
Frozr Design
Frozr Guard: Extended Heatsink design, 7W/mK MOSFET thermal pads, extra choke thermal pads and EZ M.2 Shield Frozr II for improved thermal dissipation.
Frozr Sync: Connect and synchronize cooling with strategically placed pin-headers - including CPU fan header (2A), Combo fan (3A, supports both pump fan and system fan) and system fans.
Frozr Control: Manage speeds and temperature for all fans of your system in MSI Center with Cooling Wizard and Frozr AI Cooling.
4 x DDR5 Dual Channel (9200+ MT/s OC)*
Memory Boost: A fully-isolated DDR circuit delivers pure data signals for optimal gaming and overclocking performance.
XMP profiles in MSI BIOS are MSI OC LAB optimized and can be easily enabled with auto power settings for optimized memory speed and stability.
* 1DPC 1R Max. overclocking frequency 9200+ MT/s, supports Intel XMP.
1 x Fortified PCIe 5.0 x16 Slot
MSI PCI Express Steel Armor slots are secured to the motherboard with extra solder points to support the weight of heavy graphics cards. When every advantage in games counts, Steel Armor II also shields the point of contact from electromagnetic interference.
- 1 x PCIe 5.0/4.0/3.0 x16 slot* (with Steel Armor II and EZ PCIe Release)
- 1 x PCIe 4.0/3.0 x4 slot*
* Support x16/x4
** MSI Surface Mount Technology (SMT) solder welding improves signal clarity.
Gen5 M.2 Connectors
The MAG B860M MORTAR WIFI motherboard features the latest M.2 slots:
- 1 x Gen5 x4 128Gbps slot*
- 2 x Gen4 x4 64Gbps slots* (One with M.2 Shield Frozr)
* With M.2 Shield Frozr
EZ DIY
The DIY Friendly designs optimize the assemble process and experience.
EZ M.2 Shield Frozr II: MSI patented Shield Frozr cover features a tool-free design so users don't have to worry about lost screws or overtightening.
EZ M.2 Clip II: Install or remove the SSD with a simple push of the latch, without using any screws.
EZ PCIe Release: With just one press of a button, users can easily install or remove the graphics card with one hand.
EZ Antenna: MSI's latest Wi-Fi antenna not only boasts a beautiful appearance but also features a magnetic design, making it easier to adjust the antenna's placement.
Ultra Connect
5G LAN: A Intel Killer 5G LAN controller delivers a premium network gaming experience.
Thunderbolt 4 Type-C: Connect to devices for Daisy Chain and transfer files at high bandwidth rates: 40Gbps, with 8K/60Hz display support*.
Wi-Fi 7: Features the latest Wi-Fi 7 solution (ultra-low latency, high-bandwidth) & Bluetooth 5.4 technology.
HD Audio: 7.1-Channel USB HD Audio with Audio Boost & S/PDIF output.
* Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.
MSI ( MSI MAG B860M MORTAR WIFI DDR5 LGA 1851 Motherboard )
ChipsetINTEL B860
CPUSupports Intel® Core™ Ultra Processors (Series 2)
LGA 1851
Memory4x DDR5 UDIMM, Maximum Memory Capacity 256GB
Memory Support 9200 - 6400 (OC) MT/s / 6400 - 4800 (JEDEC) MT/s
Max. overclocking frequency:
• 1DPC 1R Max speed up to 9200+ MT/s
• 1DPC 2R Max speed up to 7200+ MT/s
• 2DPC 1R Max speed up to 6400+ MT/s
• 2DPC 2R Max speed up to 5600+ MT/s
Supports Intel® POR Speed and JEDEC Speed
Supports Memory Overclocking and Intel® XMP 3.0
Supports Dual-Controller Dual-Channel mode
Supports Non-ECC, Un-buffered memory
Supports CUDIMM
• The DIMM slots on this motherboard only have single-sided latches.
• Memory compatibility and supported speeds can vary depending on the CPU and memory configuration. For detailed information, please refer to the Memory Compatibility List available on the product’s Support page or visit https://www.msi.com/support/.
Onboard Graphics1x HDMI™
Support HDMI™ 2.1 with FRL, maximum resolution of 8K 60Hz*/ **
1x DisplayPort
Support DisplayPort 1.4, maximum resolution of 4K 60Hz*/ **
1x Type-C DisplayPort
Thunderbolt™ 4 ports, supporting DisplayPort 2.1 with UHBR20 over USB Type-C, with a maximum resolution of 4K@120Hz / 8K@60Hz*
*Available only on processors featuring integrated graphics.
** Graphics specifications may vary depending on the CPU installed.
Slot1x PCI-E x16 slot
1x PCI-E x4 slot
PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU)
PCI_E2 Gen PCIe 4.0 supports up to x4 (From Chipset)
AudioRealtek® ALC897 Codec
7.1-Channel High Definition Audio
Supports S/PDIF output
Storage3x M.2
M.2_1 Source (From CPU) supports up to PCIe 5.0 x4 , supports 2280/2260/2242 devices
M.2_2 Source (From Chipset) supports up to PCIe 4.0 x4 , supports 2280/2260 devices
M.2_3 Source (From Chipset) supports up to PCIe 4.0 x4 , supports 2280/2260 devices
4x SATA 6G
**Please refer to the manual for M.2 SSD heatsink restrictions.
RAIDSupports RAID 0, RAID 1, RAID 5 and RAID 10 for SATA storage devices
Onboard ThunderboltThunderbolt Resource CPU
1x Thunderbolt4 ports (Rear)
Supports up to 40Gbps transfer rate with Thunderbolt devices
Supports up to 20Gbps transfer rate with USB4 devices
Supports up to 10Gbps transfer rate with USB 3.2 devices
Supports up to 5V/3A,15W power charging
Each port can daisy-chain up to three Thunderbolt 4 devices or five Thunderbolt 3 devices
Supports up to 8K display
USB4x USB 2.0 (Rear)
4x USB 2.0 (Front)
2x USB 5Gbps Type A (Front)
3x USB 10Gbps Type A (Rear)
1x USB 10Gbps Type C (Rear)
1x USB 10Gbps Type C (Front)
LANIntel® Killer™ E5000 5Gbps LAN
Internal IO1x Thunderbolt5 card connector(JTBT5, support RTD3)
1x Power Connector(ATX_PWR)
2x Power Connector(CPU_PWR)
1x Power Connector(PCIE_PWR 8pin)
1x CPU Fan
1x Combo Fan (Pump_Sys Fan)
4x System Fan
1x EZ Conn-header (JAF_1)
2x Front Panel (JFP)
1x Chassis Intrusion (JCI)
1x Front Audio (JAUD)
1x Tuning Controller connector(JDASH)
3x Addressable V2 RGB LED connector (JARGB_V2)
1x RGB LED connector(JRGB)
1x TPM pin header(Support TPM 2.0)
4x USB 2.0 ports
2x USB 5Gbps Type A ports
1x USB 10Gbps Type C ports
WIRELESS LAN & BLUETOOTHIntel® Killer™ BE1750x Wi-Fi 7
The Wireless module is pre-installed in the M.2 (Key-E) slot
Supports MU-MIMO TX/RX, 2.4GHz / 5GHz / 6GHz* (320MHz) up to 5.8Gbps
Supports 802.11 a/ b/ g/ n/ ac/ ax/ be
Supports Bluetooth® 5.4**, MLO, 4KQAM
* 6GHz band support may depend on every country’s regulations and Wi-Fi 7 will be ready in Windows 11 SV3.
** The Bluetooth version may be updated, please refer to the Wi-Fi chipset vendor's website for details. Bluetooth 5.4 support schedule depends on MSFT Windows 11 plan.
LED FEATURE4x EZ Debug LED
1x EZ Memory Detection LED
BACK PANEL PORTS
1.DisplayPort
2.USB 2.0
3.USB 10Gbps Type-A
4.5G LAN
5.Wi-Fi / Bluetooth
6.Audio Connectors
7.HDMI™
8.Thunderbolt™ 4 40Gbps (Type-C)
9.Flash BIOS Button
10.Clear CMOS Button
11.USB 10Gbps Type-C
12.USB 10Gbps Type-A
13.S/PDIF-OUT