MAG B860 TOMAHAWK WIFI is designed for gamers with a stable, durable and DIY friendly foundation for their PC builds. Coming up with Killer Wi-Fi 7 solution and 5G LAN, Thunderbolt 4, PCIe 5.0 solutions, Supplemental PCIe Power and exclusive EZ DIY features, it’s ready for the battlefied of Intel Core Ultra processors.
- MAG – MSI Arsenal Gaming: MSI’s mainstream MAG series epitomizes stability and durability and is built to withstand the most intense gaming sessions. The entire lineup features robust construction with metallic-like hardness and excellent heat dissipation, ensuring stability for all critical gaming components.
- 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 ×4 M.2
- Ultra Connect: Thunderbolt™ 4 port, Intel® Killer™ 5G LAN & Intel® Killer™ Wi-Fi 7 Solution – the latest solution for professional and multimedia use, delivering secure, stable, and high-speed networking and data transmission
- Audio Boost: Reward your ears with studio grade sound quality for the most immersive gaming experience
Technical Specifications
Chipset: INTEL B860
CPU:
- Supports Intel® Core™ Ultra Processors (Series 2)
- LGA 1851
Memory:
- 4× 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
Onboard Graphics:
- 1× HDMI™: Support HDMI™ 2.1 with FRL, maximum resolution of 8K 60Hz
- 1× DisplayPort: Support DisplayPort 1.4, maximum resolution of 4K 60Hz
- 1× 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.
Slot:
- 2× PCI-E x16 slot
- 1× 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)
PCI-E3 slot will run at x2 speed when installing PCIe device in PCI-E2 slot.
Audio:
- Realtek® ALC897 Codec
- 7.1-Channel High Definition Audio
- Supports S/PDIF output
Storage:
- 3× M.2: M.2–1 Source (From CPU) supports up to PCIe 5.0 ×4, supports 2280/2260 devices | M.2–2 Source (From Chipset) supports up to PCIe 4.0 ×4, supports 22110/2280/2260 devices | M.2–3 Source (From Chipset) supports up to PCIe 4.0 ×4, supports 2280/2260/2242 devices
- 4× SATA 6G
If you install a 22110 SSD into the M2–2 slot, the M2–3 slot will only support 2242/ 2260 SSD.
Please refer to the manual for M.2 SSD heatsink restrictions.
RAID: Supports RAID 0, RAID 1, RAID 5 and RAID 10 for SATA storage devices
Onboard Thunderbolt:
- Thunderbolt Resource CPU
- 1× 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
USB:
- 4× USB 2.0 (Rear)
- 4× USB 2.0 (Front)
- 2× USB 5Gbps Type A (Front)
- 4× USB 10Gbps Type A (Rear)
- 1× USB 10Gbps Type C (Rear)
- 1× USB 10Gbps Type C (Front)
- 1× USB 40Gbps Type C (Rear)
LAN: Intel® Killer™ E5000 5Gbps LAN
Internal IO:
- 1× Power Connector(ATX\_PWR)
- 2× Power Connector(CPU\_PWR)
- 1× Power Connector(PCIE\_PWR 8pin)
- 1× CPU Fan
- 1× Combo Fan (Pump\_Sys Fan)
- 5× System Fan
- 2× Front Panel (JFP)
- 1× Chassis Intrusion (JCI)
- 1× Front Audio (JAUD)
- 1× Tuning Controller connector(JDASH)
- 3× Addressable V2 RGB LED connector (JARGB\_V2)
- 2× RGB LED connector(JRGB)
- 1× TPM pin header(Support TPM 2.0)
- 4× USB 2.0 ports
- 2× USB 5Gbps Type A ports
- 1× USB 10Gbps Type C ports
Wireless Lan & Bluetooth:
- Intel® Killer™ BE1750× 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 Feature:
- 4× EZ Debug LED
- 1× EZ Memory Detection LED
Back Panel Ports:
- Clear CMOS Button
- DisplayPort
- USB 2.0 (Flash BIOS Port)
- 5G LAN
- USB 10Gbps Type-A
- Audio Connectors
- Flash BIOS Button
- Thunderbolt™ 4 40Gbps (Type-C)
- HDMI™
- USB 2.0
- USB 10Gbps Type-A
- USB 10Gbps Type-C
- Wi-Fi / Bluetooth
- S/PDIF-OUT
Operating System: Support for Windows® 11 64-bit
Box Content:
- Quick Installation Guide
- European Union Regulatory Notice
- Shout-Out Flyer
- 1 x SATA Cable
- EZ M.2 Clips II
- EZ M.2 Clip II Remover
- EZ Wi-Fi Antenna
- 1 to 2 EZ Conn-Cable (V1)
- EZ Front Panel Cable
PCB Info: ATX
