MSI MAG B860 TOMAHAWK WIFI

  • Support Intel® Core™ Ultra Processors (Series 2) for LGA 1851 socket
  • Supports DDR5 Memory, Dual Channel DDR5 9200+ MT/s (OC)
  • Ultra Performance: 12+1+1+1 Duet Rail Power System 60A SPS, dual 8-pin CPU power connectors, Core Boost, Memory Boost, 6-layer PCB made by 2oz thickened copper and server-grade level material
  • Frozr Guard: Extended Heatsink, MOSFET thermal pads rated for 7W/mK, additional choke thermal pads and EZ M.2 Shield Frozr II are built for high performance system and non-stop experience
  • EZ DIY: EZ PCIe Release, EZ M.2 Shield Frozr II, EZ M.2 Clip II and EZ Antenna
  • Lightning Fast Game experience: PCIe 5.0 slot, Lightning Gen 5 M.2
  • Audio Boost: Reward your ears with studio grade sound quality for the most immersive gaming experience
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Specification Details
Chipset Intel B860
CPU Supports Intel Core Ultra Processors (Series 2)
Socket LGA 1851
Memory
Configuration 4x DDR5 UDIMM, Maximum Memory Capacity 256GB
Memory Support DDR5 9200 – 6400 (OC) MT/s / 6400 – 4800 (JEDEC) MT/s
Max Overclocking Frequency 1DPC 1R: Up to 9200+ MT/s
1DPC 2R: Up to 7200+ MT/s
2DPC 1R: Up to 6400+ MT/s
2DPC 2R: Up to 5600+ MT/s
Features 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
Notes The DIMM slots on this motherboard only have single-sided latches.
Memory compatibility and supported speed may vary depending on CPU and memory configuration.
For details, refer to the Memory Compatibility List at MSI Support.
Onboard Graphics
Ports 1x HDMI
Supports HDMI 2.1 with FRL, maximum resolution 8K 60Hz*
1x DisplayPort
Supports DisplayPort 1.4, maximum resolution 4K 60Hz*
1x Type-C DisplayPort
Thunderbolt 4 ports supporting DisplayPort 2.1 (UHBR20) over USB Type-C, maximum resolution 4K@120Hz / 8K@60Hz*
*Available only on processors featuring integrated graphics. Graphics specifications may vary by CPU.
Expansion Slots
Slots 2x PCI-E x16 Slots
1x PCI-E x1 Slot
PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU)
PCI_E2 Gen PCIe 4.0 supports up to x1 (From Chipset)
PCI_E3 Gen PCIe 4.0 supports up to x4 (From Chipset)
Notes * PCI_E3 slot will run at x2 speed when a PCIe device is installed in PCI_E2 slot.
Audio
Codec Realtek ALC897 Codec
Channels 7.1-Channel High Definition Audio
Supports S/PDIF Output
Storage
Configuration 3x M.2
M.2_1 (From CPU): PCIe 5.0 x4, supports 2280/2260 devices
M.2_2 (From Chipset): PCIe 4.0 x4, supports 22110/2280/2260 devices
M.2_3 (From Chipset): PCIe 4.0 x4, supports 2280/2260/2242 devices
4x SATA 6G
Notes * Installing a 22110 SSD in the M2_2 slot limits M2_3 slot support to 2242/2260 SSDs.
** Refer to the manual for M.2 SSD heatsink restrictions.
RAID
Support Supports RAID 0, RAID 1, RAID 5, and RAID 10 for SATA storage devices
Onboard Thunderbolt
Resource CPU
Ports 1x Thunderbolt 4 Port (Rear)
Performance Up to 40Gbps with Thunderbolt devices
Up to 20Gbps with USB4 devices
Up to 10Gbps with USB 3.2 devices
Supports up to 5V/3A (15W) Power Delivery
Each port supports daisy-chaining of up to 3 Thunderbolt 4 or 5 Thunderbolt 3 devices
Supports up to 8K display output
USB
Configuration 4x USB 2.0 (Rear)
4x USB 2.0 (Front)
2x USB 5Gbps Type-A (Front)
4x USB 10Gbps Type-A (Rear)
1x USB 10Gbps Type-C (Rear)
1x USB 10Gbps Type-C (Front)
1x USB 40Gbps Type-C (Rear)
LAN
Port Intel Killer E5000 5G LAN
Internal I/O
Connectors 1x ATX Power (ATX_PWR)
2x CPU Power (CPU_PWR)
1x PCIe Power (8-pin)
1x CPU Fan
1x Combo Fan (Pump_Sys Fan)
5x System Fans
2x Front Panel (JFP)
1x Chassis Intrusion (JCI)
1x Front Audio (JAUD)
1x Tuning Controller Connector (JDASH)
3x Addressable V2 RGB (JARGB_V2)
2x RGB LED (JRGB)
1x TPM Header (Supports TPM 2.0)
4x USB 2.0 Ports
2x USB 5Gbps Type-A Ports
1x USB 10Gbps Type-C Port
Wireless LAN & Bluetooth
Type Intel Killer BE1750x Wi-Fi 7
Module Pre-installed in the M.2 (Key-E) slot
Performance 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
Notes * 6GHz band support may depend on country regulations; Wi-Fi 7 functionality ready in Windows 11 SV3.
** Bluetooth 5.4 support availability depends on Windows 11 update plan; refer to Intel chipset vendor website for details.
LED Features
Indicators 4x EZ Debug LED
1x EZ Memory Detection LED
Back Panel Ports
Configuration

  1. Clear CMOS Button
  2. DisplayPort
  3. USB 2.0 (Flash BIOS Port)
  4. 5G LAN
  5. USB 10Gbps Type-A
  6. Audio Connectors
  7. Flash BIOS Button
  8. Thunderbolt 4 40Gbps (Type-C)
  9. HDMI
  10. USB 2.0
  11. USB 10Gbps Type-A
  12. USB 10Gbps Type-C
  13. Wi-Fi / Bluetooth
  14. S/PDIF Out
Operating System
Support Windows 11 64-bit
Box Content
INCLUDES
PCB INFO
ATX
243.84mmx304.8mm

Overview

MSI MAG B860 TOMAHAWK WIFI

The MSI MAG B860 TOMAHAWK WIFI stands as a perfect fusion of raw power, reliability, and advanced technology, engineered to meet the demands of gamers and creators alike. Built for the Intel® Core™ Ultra Processors (Series 2) with the LGA 1851 socket, this motherboard ensures top-tier compatibility and performance for next-generation computing.

Designed to handle extreme workloads and gaming sessions, it supports DDR5 memory with speeds up to 9200+ MT/s (OC), offering unmatched responsiveness and smooth multitasking. The 12+1+1+1 Duet Rail Power System with 60A SPS, dual 8-pin CPU connectors, and MSI’s renowned Core Boost and Memory Boost technologies guarantee stable, precise power delivery for peak performance. Its 6-layer PCB made from 2oz thickened copper and server-grade materials enhances durability and system stability even under heavy load.

The Frozr Guard thermal solution ensures efficient heat management through an extended heatsink design, MOSFET thermal pads rated at 7W/mK, additional choke thermal pads, and EZ M.2 Shield Frozr II, maintaining consistent cooling during long gaming marathons or intensive workloads.

For effortless assembly and upgrades, MSI includes EZ PCIe Release, EZ M.2 Shield Frozr II, EZ M.2 Clip II, and EZ Antenna, making setup smoother than ever. On the performance side, the PCIe 5.0 slot and Lightning Gen 5 x4 M.2 deliver blazing-fast data transfer rates for next-generation GPUs and NVMe SSDs, ensuring lightning-speed responsiveness.

Connectivity reaches new heights with Thunderbolt™ 4, Intel® Killer™ 5G LAN, and Intel® Killer™ Wi-Fi 7, offering ultra-low latency, stable connections, and cutting-edge bandwidth for professional workflows, online gaming, and high-speed content creation.

Completing the experience, Audio Boost technology provides immersive, studio-grade sound, enhancing every gaming session and multimedia moment with crystal clarity.

The MSI MAG B860 TOMAHAWK WIFI embodies performance, stability, and innovation — a true powerhouse for those who demand uncompromised speed, connectivity, and reliability in their gaming or productivity setup.

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