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MSI · LGA 1851 · B860

MAG B860 Tomahawk WiFi

ATX · DDR5 · 4 DIMMs · 12-phase VRM · 7

Quality
64
VRM
37
Value
72
Amazon
$169
MAG B860 Tomahawk WiFi
View MAG B860 Tomahawk WiFi Gallery in high resolution
$169
Available Updated 3 days, 17 hours ago Prime FBA
Overall63.8
VRM37.0
Chipset80.0
Expansion / storage79.0
Connectivity80.0
Audio43.0
Quality / price71.7
$169 on Amazon Motherboard table Compare this motherboard

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Written analysis

MAG B860 Tomahawk WiFi at a glance

The MAG B860 Tomahawk WiFi uses the ATX form factor, LGA 1851 socket, and B860 chipset. This is a balanced mainstream platform: enough expansion and connectivity for a performance PC without paying only for flagship extras.

Memory support is DDR5 across 4 DIMM slots, with up to 256 GB and rated overclocked speeds up to 9200 MT/s. XMP / EXPO memory-profile support is recorded for easier tuning.

Best fit: a performance gaming and productivity PC that needs a balanced board without workstation-class excess.

Power delivery

The calculated VRM score is 37.0, placing the power delivery in the entry-level class. The board lists 12 CPU power phases, 60 A power stages in a 12+1+1+1 layout. CPU power input is listed as 2. It is best paired with mainstream 65–105 W-class processors and good case airflow.

Expansion and storage

The expansion and storage score is 79.0: well equipped . The platform supports PCIe 5.0. Physical expansion includes 2 ×16 slots, and 1 ×1.

On-board storage consists of 3 M.2 slots and 4 SATA ports. Supported M.2 lengths are listed as 22110, 2280, 2260, 2242. That is enough NVMe capacity for a multi-drive gaming or creator setup without immediately relying on an add-in card.

Connectivity and rear I/O

The connectivity score is 80.0, rated strong . Wireless networking is Wi-Fi 7 ; wired networking is Intel® Killer™ E5000 5Gbps LAN at up to 5000 Mbps. Bluetooth 5.4 is included. The recorded USB provision is 10 rear connections and 7 front-panel connections. USB4 Type-C is available at the rear. The specification sheet below separates every USB speed and connector type.

Display connectivity includes HDMI 2.1, DisplayPort 1.4, USB-C DisplayPort. These motherboard outputs require a processor with integrated graphics.

Audio

The audio score is 43.0. This is a standard onboard solution using Realtek® ALC897 Codec. It covers normal gaming and communication; demanding headphones or production work still benefit from an external interface. Optical S/PDIF is present for digital audio equipment.

Buying verdict

Overall quality is 63.80, a mainstream result. The essential platform features are covered, while premium I/O and tuning extras are more selective.

At the recorded Amazon price, the quality-to-price score is 71.7—an excellent value relative to the other boards in the catalog.

Board data

Full specifications

Platform, expansion, storage, rear I/O, internal headers, networking, audio, and board controls in one sheet.

General

Manufacturer
MSI
Motherboard
MAG B860 Tomahawk WiFi
Chipset / socket
B860 / LGA 1851
Form factor
ATX
Launch price
—
Amazon price
$169
Availability
In stock
Price updated
3 days, 17 hours ago

VRM

CPU phases
12 (60 A)
Power design
12+1+1+1
EPS connector
2

Memory

Type / slots
DDR5 / 4 DIMMs
Max capacity / OC
256 GB / 9200 MT/s
Per DIMM
64 GB
XMP / EXPO
Yes

PCIe

Supported version
PCIe 5.0
x16 physical
2
x16 Gen 5
1
x16 Gen 4
1
x1 physical
1
x1 Gen 4
1

Storage

M.2 slots
3
M.2 lengths
22110, 2280, 2260, 2242
SATA ports
4

Display outputs

HDMI
Yes · 2.1 · 8K 60Hz
DisplayPort
Yes · 1.4 · 4K 60Hz
USB-C DisplayPort
Yes · 2.1 · 4K@120Hz / 8K@60Hz

USB

Rear USB 2.0
4
Rear USB 3.2 Gen 2 Type-A 10 Gbps
4
Rear USB 3.2 Gen 2 Type-C 10 Gbps
1
Rear USB4 Type-C
1
Front USB 2.0
4
Front USB 3.2 Gen 1 Type-A 5 Gbps
2
Front USB 3.2 Gen 2 Type-C 10 Gbps
1
Header USB 2.0
4
Header USB 3.2 Gen 1 Type-A 5 Gbps
2
Header USB 3.2 Gen 2 Type-A 10 Gbps
1
USB4
Type-C · rear

Networking

Ethernet
Intel® Killer™ E5000 5Gbps LAN
LAN ports
1
LAN speed
5000 Mbps
Wi-Fi
7
Wi-Fi bandwidth
320MHz
Bands
2.4GHz, 5GHz, 6GHz
Bluetooth
5.4

Audio

Chipset
Realtek® ALC897 Codec
Analog jacks
—
Gold-plated jacks
No
Optical S/PDIF
Yes
Spatial audio
No

Buttons

BIOS flashback
Yes
Clear CMOS
Yes
Q-Flash Plus
No
Smart button
No
Onboard start / reset
No

Additional information

Memory notes
Supports Un-buffered memory and CUDIMM. Max overclocking frequency varies by configuration: 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. Supports Intel® POR Speed and JEDEC Speed. The DIMM slots have single-sided latches. Memory compatibility and supported speeds can vary depending on the CPU and memory configuration.
Display notes
HDMI supports FRL. The Type-C DisplayPort is a Thunderbolt™ 4 port and supports UHBR20. Video outputs are available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed.
Expansion notes
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.
M.2_1
5.0 4 · 2280, 2260 · From CPU
M.2_2
4.0 4 · 22110, 2280, 2260 · From Chipset — If a 22110 SSD is installed in the M2_2 slot, the M2_3 slot will only support 2242/2260 SSDs.
M.2_3
4.0 4 · 2280, 2260, 2242 · From Chipset — If a 22110 SSD is installed in the M2_2 slot, the M2_3 slot will only support 2242/2260 SSDs.
Storage notes
Please refer to the manual for M.2 SSD heatsink restrictions.
USB notes
One rear USB 2.0 port is a Flash BIOS Port. The rear USB4 port is also a Thunderbolt™ 4 port.
Audio notes
7.1-Channel High Definition Audio
Networking notes
The Wireless module is Intel® Killer™ BE1750x and is pre-installed in the M.2 (Key-E) slot. Supports MU-MIMO TX/RX, MLO, 4KQAM. Wi-Fi speed up to 5.8Gbps. 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.
Button notes
The motherboard features a Flash BIOS Button and a Clear CMOS Button on the rear I/O panel. There is also a dedicated USB 2.0 port designated as the Flash BIOS Port.
Fan / RGB headers
1 CPU · — OPT · 1 AIO · 5 chassis · 3 ARGB · 2 RGB
Other headers
Front audio · System panel · TPM
Dimensions
30.5 cm x 24.4 cm

Extracted notes sit here. Official manufacturer copy is at the bottom of the page.

Amazon

Price history

Nearby quality

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VRM fit

VRM-appropriate CPUs

LGA 1851 processors whose TDP sits in this board’s VRM window. Socket match is required; chipset extras still matter on sTR5. This is a power-delivery filter, not a ranked CPU guide.

Open LGA 1851 CPUs in the CPU table

Discussion

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Vendor copy

Official manufacturer data

Raw manufacturer text kept for reference. Structured specs above are extracted from this copy and are the source for scores and tables.

Memory

4x 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 or visit https://www.msi.com/support/.

Graphics

1x HDMI™
Support HDMI™ 2.1 with FRL, maximum resolution of 8K 60Hz*/ **
1x DisplayPort
Support DisplayPort 1.4, maximum resolution of 4K 60Hz*/ **
1x 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.

Expansion slots

2x PCI-E x16 slot
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)

*PCI_E3 slot will run at x2 speed when installing PCIe device in PCI_E2 slot.

Storage

3x M.2
M.2_1 Source (From CPU) supports up to PCIe 5.0 x4 , supports 2280/2260 devices
M.2_2 Source (From Chipset) supports up to PCIe 4.0 x4 , supports 22110/2280/2260 devices
M.2_3 Source (From Chipset) supports up to PCIe 4.0 x4 , supports 2280/2260/2242 devices
4x 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.

USB

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)

Internal I/O

1x Power Connector(ATX_PWR)
2x Power Connector(CPU_PWR)
1x Power Connector(PCIE_PWR 8pin)
1x CPU Fan
1x Combo Fan (Pump_Sys Fan)
5x System Fan
2x Front Panel (JFP)
1x Chassis Intrusion (JCI)
1x Front Audio (JAUD)
1x Tuning Controller connector(JDASH)
3x Addressable V2 RGB LED connector (JARGB_V2)
2x RGB LED connector(JRGB)
1x TPM pin header(Support TPM 2.0)
4x USB 2.0 ports
2x USB 5Gbps Type A ports
1x USB 10Gbps Type C ports

Rear I/O

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

Wireless

Intel® Killer™ BE1750x 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.

Audio

Realtek® ALC897 Codec
7.1-Channel High Definition Audio
Supports S/PDIF output

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