MSI MAG B650 Tomahawk WiFi

MSI MAG B650 Tomahawk WiFi

Long-running B650 ATX board with six SATA ports, three Gen4 M.2 slots and Wi-Fi 6E.

  • AM5
  • B650
  • ATX
  • DDR5
  • 3

PCPR score

7.4

Good

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R1

The short version

The MAG B650 Tomahawk WiFi has been a mainstream AM5 pick since 2022. It offers a PCIe 4.0 x16 slot, three PCIe 4.0 M.2 slots, six SATA ports, 2.5Gb LAN and Wi-Fi 6E, with a 20Gbps rear USB-C. It lacks PCIe 5.0 and Wi-Fi 7, so it fits Ryzen 7000 and 9000 builds that prioritise price over newer features.

Pros

  • Six SATA ports and three PCIe 4.0 M.2 slots
  • DisplayPort and HDMI video outputs
  • Dual 8-pin CPU power
  • Flash BIOS button

Cons

  • No PCIe 5.0 GPU or M.2 slots
  • Wi-Fi 6E and 2.5Gb LAN only
  • M2_3 shares bandwidth with PCI_E2

Best for

  • Budget AM5 builds needing many SATA drives

J3

Full specifications

Core

Socket
AM5
Chipset
B650
Form factor
ATX

Memory

Memory type
DDR5
Memory slots type
DIMM
Memory slots
4
Max memory
256 GB
Max memory speed (OC)
7,600 MT/s

Expansion

M.2 slots
3
M.2 PCIe 5.0 slots
0
M.2 PCIe 4.0 slots
3
M.2 PCIe 3.0 slots
0
Supports M.2 22110
Yes
SATA ports
6
PCIe x16 slots
1
Primary PCIe slot version
4.0
PCIe x4 slots
0
PCIe x1 slots
1

Connectivity

Wi-Fi
Wi-Fi 6E
Bluetooth
5.3
Ethernet speed
2.5 GbE
Ethernet ports
1

Ports & I/O

USB4 / Thunderbolt ports
0
Rear USB-C ports
1
Rear USB-A ports
9
Front USB-C header
Yes
USB 3 headers
1
USB 2 headers
2
HDMI outputs (iGPU)
1
DisplayPort outputs (iGPU)
1

Cooling

Fan headers
8
ARGB headers (5V)
2
RGB headers (12V)
2

Power

CPU power
2 x 8-pin

Fit

Back-connect (BTF / Project Zero)
No

Features

BIOS flashback
Yes

Physical

Color
Black

Compatibility notes

  • Needs a BIOS update for some Ryzen 9000 CPUs if the shipped BIOS is old; Flash BIOS button helps.
  • M2_3 and PCI_E2 share bandwidth and run at x2 when both are populated.

P1

Where to buy

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AV1

Video reviews

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R9

Common questions

Does it support PCIe 5.0?

No. The GPU slot and all three M.2 slots are PCIe 4.0.

Can it run Ryzen 9000?

MSI lists Ryzen 9000, 8000 and 7000 support; older boards may need a BIOS update first, which the Flash BIOS button allows without a CPU.

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