MSI MAG B860 Tomahawk WiFi Motherboard, ATX - Supports Intel Core Ultra Processors (Series 2), LGA 1851 - DDR5 Memory Boost 9200+ MT/s OC, 1 x PCIe 5.0 x16, 1 x M.2 Gen5, 5G LAN, Wi-Fi 7
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AI Verdict
This MSI MAG B860 Tomahawk WiFi is an ATX motherboard with an LGA 1851 socket, DDR5 9200+ MT/s OC memory support, and PCIe 5.0 x16, designed for Intel Core Ultra Processors (Series 2) builders priorit
This motherboard is a strong fit for anyone planning a new build around Intel Core Ultra Processors (Series 2) who wants to leverage the latest connectivity and speed. Its DDR5 9200+ MT/s OC support, PCIe 5.0 x16 slot, and Wi-Fi 7 are top-tier for a mid-range B860 board. The robust cooling and power delivery also suggest it can handle demanding components.
If you need CPU overclocking beyond memory, look for a Z-series chipset motherboard, which offers unlocked CPU multiplier support.
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Pros
- Supports Intel Core Ultra Processors (Series 2) on an LGA 1851 socket, ready for upcoming CPU generations.
- Features 4 x DDR5 DIMM slots with Memory Boost, supporting overclocked speeds up to 9200+ MT/s.
- Includes a PCIe 5.0 x16 slot with Steel Armor II for high-bandwidth graphics cards.
- Offers extensive storage with 1 x M.2 Gen5 x4 128Gbps slot and 2 x M.2 Gen4 x4 64Gbps slots, all with EZ M.2 Shield Frozr II.
- Equipped with Wi-Fi 7, Bluetooth 5.4, and Intel Killer 5G LAN for cutting-edge network connectivity.
- Provides a Thunderbolt 4 Type-C port with display output on the rear I/O.
Cons
- The B860 chipset has 45 total high-speed I/O lanes, which is less than the 60 lanes found on Z890 chipsets.
- Only one native Thunderbolt 4 port is available, unlike enthusiast platforms that might offer two.
- The product's release date of January 13, 2025, means there is no real-world user feedback or long-term ownership data available yet.
- The PCI_E3 slot will run at x2 speed when a PCIe device is installed in the PCI_E2 slot, potentially limiting simultaneous expansion.
Dimension Scores
The 12 Duet Rail Power System (60A) with MSI Core Boost technology and FROZR GUARD cooling (7W/mK MOSFET thermal pads, Extended Heatsink) is above average for a B860 chipset board.
Wi-Fi 7, Intel Killer 5G LAN, Thunderbolt 4, PCIe 5.0 x16, and a Gen5 M.2 slot are a comprehensive and cutting-edge feature set for a mid-range motherboard.
With 1 x PCIe 5.0 x16, 3 x M.2 slots (one Gen5, two Gen4), and 4 x DDR5 DIMM slots, it offers substantial expansion, though the B860 chipset's I/O lane count is a slight limitation compared to Z-series.
MSI's Memory Boost technology and EZ DIY features like EZ M.2 Clip II suggest a user-friendly experience, and MSI generally provides robust BIOS and software support, though specific B860 user feedback isn't available yet.
Best For
- New PC builds targeting Intel Core Ultra Processors (Series 2) with a focus on high-speed DDR5 memory and PCIe 5.0 graphics.
- Users needing advanced network capabilities with Wi-Fi 7 and 5G LAN.
- Enthusiasts requiring fast storage with a Gen5 M.2 slot and multiple Gen4 M.2 options.
- Content creators or professionals who can utilize Thunderbolt 4 for high-speed data transfer and display output.
Not Recommended For
- Budget-conscious builders who don't need the latest Wi-Fi 7 or PCIe 5.0 features, as cheaper B860 options exist.
- Users who prefer a Z-series chipset for advanced CPU overclocking capabilities, as the B860 chipset does not support it.
- Anyone needing extensive legacy port support, as this board focuses on modern connectivity.
Watch Out For
- No user-reported pitfalls are available as the product's release date is January 13, 2025, meaning it has not been released to the public yet.
- Early BIOS versions on similar B860 boards have shown potential RAM compatibility issues with 8GB DDR5 sticks, requiring a BIOS update for stability.
- The B860 chipset's 45 high-speed I/O lanes are a limitation compared to Z890, which has 60 lanes, potentially impacting complex configurations.
Full Specifications
| RAM | DDR5 |
| ASIN | B0DQBJ64KH |
| Brand | msi |
| Series | B860 Tomahawk WiFi |
| Platform | Windows 11 |
| CPU Socket | Socket 1851 |
| Model Name | B860 Tomahawk WiFi |
| Item Weight | 4.02 pounds |
| Chipset Type | B860 |
| Manufacturer | MSI |
| Memory Speed | 7800.0 |
| Item model number | B860 |
| Compatible Devices | Personal Computer |
| Memory Clock Speed | 7800.0 |
| Product Dimensions | 13.58 x 2.8 x 10.63 inches |
| Compatible Processors | Supports Intel Core Ultra Processors (Series 2) |
| RAM Memory Technology | DDR5 |
| Item Dimensions LxWxH | 13.58 x 2.8 x 10.63 inches |
| RAM Memory Maximum Size | 256 GB |
What Buyers Say
As of March 2026, this motherboard has not yet been released to the public, with a 'Date First Available' listed as January 13, 2025. Therefore, there are no actual user reviews, complaints, or long-term ownership experiences available from consumers who have purchased and used the product. Information is based on official specifications and pre-release announcements.
“Look, I haven't even seen this thing in person yet, but on paper, with that Wi-Fi 7 and a Gen5 M.2 slot, it feels like MSI is really trying to give us a solid foundation for the new Intel chips without breaking the bank like a Z-board would.”
Frequently Asked Questions
What CPUs are compatible with this motherboard?
This motherboard supports Intel Core Ultra Processors (Series 2) with an LGA 1851 socket.
What type of RAM does this motherboard use and what speeds does it support?
It uses DDR5 RAM across 4 DIMM slots and supports overclocked speeds up to 9200+ MT/s.
Does this motherboard have Wi-Fi and what standard is it?
Yes, it includes a full-speed Wi-Fi 7 module along with Bluetooth 5.4 and Intel Killer 5G LAN.
How many M.2 slots does this motherboard have and what are their speeds?
It has three M.2 slots: one M.2 Gen5 x4 128Gbps slot and two M.2 Gen4 x4 64Gbps slots.
Does this motherboard support Thunderbolt?
Yes, it features a Thunderbolt 4 Type-C port on the rear I/O with display output.
Buying Guide
When you're looking at a motherboard, you're essentially picking the central nervous system for your PC. It dictates what CPU you can use, how fast your memory can go, and what kind of storage and expansion cards you can plug in. For this MSI B860, you're buying into the Intel Core Ultra Processors (Series 2) ecosystem, so make sure your CPU choice matches that. Don't cheap out here, because upgrading a motherboard later is a huge pain.
Chipset (B860)
The chipset is like the traffic controller of your motherboard. The B860 is a mid-range option, meaning it supports the latest CPUs and features like PCIe 5.0 and DDR5, but it won't let you overclock your CPU like a higher-end Z-series chipset would. Think of it as a really fast highway with a strict speed limit for the CPU.
DDR5 Memory Boost 9200+ MT/s OC
This refers to the type and speed of RAM (Random Access Memory) the board supports. DDR5 is the newest standard, offering faster speeds than DDR4. '9200+ MT/s OC' means it can handle very fast, overclocked memory, which is crucial for demanding games and applications that benefit from quick data access. It's like having a super-fast pit crew for your CPU.
PCIe 5.0 x16 Slot
This is the slot where your graphics card goes. PCIe 5.0 is the latest and fastest version, offering double the bandwidth of PCIe 4.0. An 'x16' slot means it has the full number of lanes for maximum performance. This ensures your high-end graphics card won't be bottlenecked by the motherboard, letting it stretch its legs.
M.2 Gen5
M.2 slots are for super-fast SSDs (Solid State Drives). 'Gen5' means it's the absolute fastest available, offering incredible read and write speeds for your operating system and games. It's like having a dedicated, rocket-powered express lane for your data, making everything load almost instantly.
Alternatives
If you need CPU overclocking, search for motherboards with a Z-series chipset. If you're on a tighter budget and don't need Wi-Fi 7 or PCIe 5.0, look for B860 boards with Wi-Fi 6E and PCIe 4.0.
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