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LGA1851 · Z890 · ATX
8.7
$450Nov 93 videos
MSI MAG B860 Tomahawk WiFi
B860 ATX board with Thunderbolt 4, 5GbE and Wi-Fi 7 for mainstream Core Ultra builds.
- LGA1851
- B860
- ATX
- DDR5
- 3
PCPR score
7.8
Good
Best price we’ve seen
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R1
The short version
The MAG B860 Tomahawk WiFi brings Tomahawk-style features to B860, with a Thunderbolt 4 port, 5GbE, Wi-Fi 7, three M.2 slots (one PCIe 5.0) and dual 8-pin CPU power. MSI rates DDR5 up to 9200 MT/s for single-rank 1DPC overclocking. It suits non-overclocked Core Ultra 5 to 7 builds that want Thunderbolt and fast networking.
Pros
- Thunderbolt 4 on a B860 board
- 5GbE LAN and Wi-Fi 7
- One PCIe 5.0 M.2 slot and two PCIe 4.0 slots
- Flash BIOS button
Cons
- Only three M.2 slots
- No CPU overclocking on B860
- Only one Thunderbolt 4 port
Best for
- Mainstream Core Ultra gaming builds
- Users who want Thunderbolt on a budget
J3
Full specifications
Core
- Socket
- LGA1851
- Chipset
- B860
- Form factor
- ATX
Memory
- Memory type
- DDR5
- Memory slots type
- DIMM
- Memory slots
- 4
- Max memory
- 256 GB
- Max memory speed (OC)
- 9,200 MT/s
Expansion
- M.2 slots
- 3
- M.2 PCIe 5.0 slots
- 1
- M.2 PCIe 4.0 slots
- 2
- M.2 PCIe 3.0 slots
- 0
- Supports M.2 22110
- Yes
- SATA ports
- 4
- PCIe x16 slots
- 1
- Primary PCIe slot version
- 5.0
- PCIe x4 slots
- 1
- PCIe x1 slots
- 1
Connectivity
- Wi-Fi
- Wi-Fi 7
- Bluetooth
- 5.4
- Ethernet speed
- 5 GbE
- Ethernet ports
- 1
Ports & I/O
- USB4 / Thunderbolt ports
- 1
- Rear USB-C ports
- 2
- Rear USB-A ports
- 8
- Front USB-C header
- Yes
- USB 3 headers
- 1
- USB 2 headers
- 2
- HDMI outputs (iGPU)
- 1
- DisplayPort outputs (iGPU)
- 1
Cooling
- Fan headers
- 7
- ARGB headers (5V)
- 3
- RGB headers (12V)
- 2
Power
- CPU power
- 2x 8-pin
Fit
- Back-connect (BTF / Project Zero)
- No
Features
- BIOS flashback
- Yes
Physical
- Color
- Black
Compatibility notes
- If a 22110 SSD is in M2_2, the M2_3 slot supports only 2242 and 2260 drives.
- PCI_E3 runs at x2 when PCI_E2 is used.
P1
Where to buy
- Buy from the maker
MSI official page
Direct link
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AV1
Video reviews
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AV2
What reviewers and owners say
Tom's Hardware
PositiveTom's Hardware found this pricier B860 board delivers strong performance, Wi-Fi 7, 5GbE and easy DIY features, though it costs more than rivals and offers limited expansion bandwidth.
Review
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Summaries are written in our words. Follow the links for each source’s own review.
R9
Common questions
Does the B860 Tomahawk have Wi-Fi 7?
Yes, an Intel Killer Wi-Fi 7 BE1750x module with Bluetooth 5.4 comes pre-installed in the M.2 Key-E slot.
Can I overclock the CPU?
B860 is not a CPU-overclocking chipset, but MSI lists memory overclocking up to 9200+ MT/s.
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