MSI MAG B860 TOMAHAWK WIFI

Intel B860 LGA 1851 DDR5 Motherboard

The MSI MAG B860 TOMAHAWK WIFI supports Intel Core Ultra processors (Series 2), combining DDR5 memory and PCIe 5.0 connectivity with Thunderbolt 4, Intel Killer 5Gbps LAN and Wi-Fi 7.

🔑 Key Highlights

• Platform: Intel B860 chipset and LGA 1851 socket for Core Ultra Series 2.
• Memory: Four DDR5 slots, up to 256GB, Intel XMP 3.0 and CUDIMM support.
• Storage: Three M.2 slots including PCIe 5.0 x4, plus four SATA ports.
• Connectivity: Thunderbolt 4, Killer 5Gbps LAN and Wi-Fi 7.
• Diagnostics: EZ Debug and EZ Memory Detection LEDs.
• Power Phases / VRM: Not specified in the supplied data.

📋 Specifications

• Brand / Model: MSI MAG B860 TOMAHAWK WIFI.
• Chipset / Socket: Intel B860 / LGA 1851.
• CPU Support: Intel Core Ultra processors (Series 2).
• Memory: 4 DDR5 UDIMM slots, maximum 256GB. 9200–6400 MT/s (OC), 6400–4800 MT/s (JEDEC).
• Maximum Memory Overclocking: 1DPC 1R: 9200+ MT/s; 1DPC 2R: 7200+ MT/s; 2DPC 1R: 6400+ MT/s; 2DPC 2R: 5600+ MT/s.
• Memory Features: Intel POR and JEDEC speeds, memory overclocking, Intel XMP 3.0, Dual-Controller Dual-Channel mode, non-ECC unbuffered memory, CUDIMM support and single-sided DIMM latches. Compatibility and supported speeds depend on CPU and memory configuration; consult MSI's memory compatibility list.
• Display Outputs: HDMI 2.1 with FRL up to 8K 60Hz; DisplayPort 1.4 up to 4K 60Hz; Thunderbolt 4 Type-C with DisplayPort 2.1 UHBR20 up to 4K 120Hz / 8K 60Hz. Requires CPU integrated graphics; specifications vary by installed CPU.
• Expansion: 2 physical PCIe x16 slots and 1 PCIe x1 slot. PCI_E1: CPU-connected PCIe 5.0 x16; PCI_E2: chipset-connected PCIe 4.0 x1; PCI_E3: chipset-connected PCIe 4.0 x4. PCI_E3 runs at x2 when a device is installed in PCI_E2.
• Audio: Realtek ALC897 codec, 7.1-channel High Definition Audio and S/PDIF output.
• M.2 Storage: M.2_1: CPU-connected PCIe 5.0 x4, 2280/2260. M.2_2: chipset-connected PCIe 4.0 x4, 22110/2280/2260. M.2_3: chipset-connected PCIe 4.0 x4, 2280/2260/2242. A 22110 SSD in M.2_2 limits M.2_3 to 2242/2260. Refer to the manual for M.2 SSD heatsink restrictions.
• SATA / RAID: 4 SATA 6Gb/s ports; SATA RAID 0, 1, 5 and 10.
• Thunderbolt: 1 rear CPU-connected Thunderbolt 4 port. Up to 40Gbps with Thunderbolt devices, 20Gbps with USB4 devices and 10Gbps with USB 3.2 devices. Up to 5V/3A (15W) charging; daisy-chain up to three Thunderbolt 4 or five Thunderbolt 3 devices; up to 8K display support.
• Rear USB: 4 USB 2.0; 4 USB 10Gbps Type-A; 1 USB 10Gbps Type-C; 1 USB 40Gbps Type-C (Thunderbolt 4).
• Front USB Support: 4 USB 2.0; 2 USB 5Gbps Type-A; 1 USB 10Gbps Type-C.
• LAN: Intel Killer E5000 5Gbps.
• Wireless: Intel Killer BE1750x Wi-Fi 7, pre-installed M.2 Key-E module. MU-MIMO TX/RX; 2.4/5/6GHz, 320MHz, up to 5.8Gbps; 802.11 a/b/g/n/ac/ax/be; MLO and 4KQAM. 6GHz availability depends on local regulations. The supplied specifications state Wi-Fi 7 support in Windows 11 SV3.
• Bluetooth: Bluetooth 5.4; version may be updated by the vendor, and availability depends on the Windows 11 support schedule.
• Internal IO: 1 ATX power; 2 CPU power; 1 PCIe 8-pin power; 1 CPU fan; 1 pump/system combo fan; 5 system fan; 2 front panel; 1 chassis intrusion; 1 front audio; 1 JDASH tuning controller; 3 addressable V2 RGB; 2 RGB; 1 TPM header supporting TPM 2.0. Front USB support as listed above.
• LED Features: 4 EZ Debug LEDs and 1 EZ Memory Detection LED.
• Rear Panel: Clear CMOS and Flash BIOS buttons, DisplayPort, HDMI, USB 2.0 including Flash BIOS port, USB 10Gbps Type-A/Type-C, Thunderbolt 4 40Gbps Type-C, 5G LAN, audio connectors, Wi-Fi/Bluetooth antenna connections and S/PDIF-OUT.
• Power Phases / VRM: Not specified in the supplied data.
• Operating System: Windows 11 64-bit.