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MSI
MSI MAG B850 Tomahawk MAX WiFi Motherboard, ATX, Socket AM5, AMD B850 Chipset

MSI MAG B850 Tomahawk MAX WiFi Motherboard, ATX, Socket AM5, AMD B850 Chipset

4.8(16 ratings)

Best price now

$209.99at WalmartChecked 9 h ago

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Price facts

  • Lowest price today: $209.99 at Walmart (checked Nov 10, 2026).
  • Checked at 3 stores.

Our take on the MSI MAG B850 Tomahawk MAX WiFi Motherboard, ATX, Socket AM5, AMD B850 Chipset

The MSI MAG B850 Tomahawk MAX WiFi is a full-size ATX board for AMD's AM5 socket, aimed at Ryzen 9000, 8000 and 7000 chips. It stands out for its strong power delivery, PCIe 5.0 x16 slot, a Gen5 M.2 slot, Wi-Fi 7 and 5G Ethernet, which is more connectivity than most boards at its tier offer. It suits builders who want a no-frills, well-cooled platform for a gaming or productivity PC without paying for premium styling. Against rivals like the ASUS TUF Gaming B850-Plus and Gigabyte B850 Aorus Elite, it trades some RGB flair for beefier networking and storage. Owners rate it highly, praising the VRM, layout and easy setup, though some note the single CPU fan header and limited USB 2.0 on the rear.

Best forGaming PC builders on AM5Ryzen 9000 or 7000 upgradesUsers who want Wi-Fi 7 and 5G LANFirst-time ATX builders
Pros
  • 80A SPS VRM handles high-end Ryzen chips
  • PCIe 5.0 x16 and a Gen5 M.2 slot
  • Wi-Fi 7 and 5G Ethernet built in
  • Four DDR5 slots with high OC headroom
  • Clean layout with plenty of headers
Cons
  • Only one CPU fan connector
  • Rear USB 2.0 ports are limited
  • No integrated graphics output beyond HDMI 2.1 and DisplayPort
  • Passive chipset cooling may run warm under load

MSI MAG B850 Tomahawk MAX WiFi Motherboard, ATX, Socket AM5, AMD B850 Chipset prices at every store

  • WalmartNew

    In stockSold by RAIDEALS INC.Returns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $209.99Free shippingChecked 9 h ago
    Visit Walmart
  • Best BuyNew

    In stock

    $229.99Free shippingChecked 9 h ago
    Visit Best Buy
  • MSINew

    Out of stock

    $229.99Free shippingChecked 9 h ago
    Visit MSI

Store links may earn us a commission. Some prices via Klarna.

MSI MAG B850 Tomahawk MAX WiFi Motherboard, ATX, Socket AM5, AMD B850 Chipset price history

Lowest price we've seen: $229.99 on Nov 10 at Best Buy. Tracked across 2 stores since Nov 10.

What reviewers say

  • 4.8 / 516 ratings

Owners rate it 4.8 out of 5 and mostly praise the power delivery, connectivity and straightforward build. A few mention the single CPU fan header and sparse USB 2.0 as minor annoyances.

What people mention
  • VRMPraisedOwners say the 80A power stages keep high-end Ryzen chips stable and cool.
  • ConnectivityPraisedWi-Fi 7 and 5G Ethernet are called a step above rivals at this level.
  • SetupPraisedBuilders find the BIOS and header layout easy to work with.
  • Fan headersCriticisedA single CPU fan connector limits dual-tower cooler setups.
  • USB portsMixedRear USB 2.0 count is seen as thin for peripherals.

About the MSI MAG B850 Tomahawk MAX WiFi Motherboard, ATX, Socket AM5, AMD B850 Chipset

The item in this listing is a brand new sealed product in its original manufacture retail packaging. This product will come with a Minimum 1 year warranty. MSI MAG B850 TOMAHAWK MAX WIFI Motherboard, ATX - Supports AMD Ryzen 9000 / 8000 / 7000 Processors, AM5 - 80A SPS VRM, DDR5 Memory Boost 8400+ MT/s (OC), PCIe 5.0 x16, M.2 Gen5, Wi-Fi 7, 5G LAN

Specifications

color
MulticolorSource
size
One SizeSource
Connections
USB-C, 1/8" Headphone Jack, HDMI, USB-A, DisplayPort, RJ45 (LAN)Source
Bluetooth
YesSource
M.2 Form Factor

Questions and answers

Does it support Ryzen 9000 out of the box?
Yes. The AM5 socket and B850 chipset support Ryzen 9000, 8000 and 7000 chips, though an older BIOS may need an update for the newest CPUs.
How many M.2 drives can I install?
It has multiple M.2 slots including one Gen5 slot, supporting 2280, 2260 and 22110 drives.
Is Wi-Fi 7 included?
Yes. Wi-Fi 7 and Bluetooth are built in, along with 5G Ethernet for wired connections.
Can I use DDR4 memory?
No. The board takes DDR5 only, across four slots, with overclocking headroom beyond 8400 MT/s.
Does it fit a standard ATX case?
Yes. It is a standard ATX board with three PCIe x16 slots, so most mid-tower and full-tower cases fit it.
Is there integrated graphics?
No. It relies on the CPU's integrated graphics if present, with HDMI 2.1 and DisplayPort outputs on the rear.
Where is the MSI MAG B850 Tomahawk MAX WiFi Motherboard, ATX, Socket AM5, AMD B850 Chipset cheapest?
At Walmart, for $209.99, as of our latest check.
What do buyers say about the MSI MAG B850 Tomahawk MAX WiFi Motherboard, ATX, Socket AM5, AMD B850 Chipset?
Rated 4.8 out of 5 from 16 ratings.
Where can I buy the MSI MAG B850 Tomahawk MAX WiFi Motherboard, ATX, Socket AM5, AMD B850 Chipset?
3 stores we checked sell it, including Best Buy, MSI, Walmart.

Stores we've priced the MSI MAG B850 Tomahawk MAX WiFi Motherboard, ATX, Socket AM5, AMD B850 Chipset at

  • Best Buy deals and prices

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2280, 2260, 22110Source
Processor
AMDSource
Chipset
AMD B850Source
Memory Slots
4Source
USB Version
USB 2.0 (480Mbps)Source
Memory Type
DDR5Source
Number of RGB Headers (pcs)
1Source
M.2
YesSource
No. of HDMI (pcs)
1Source
Form Factor
ATXSource
Integrated Processor
NoSource
HDMI Version
2.1Source
Expansion Slots
PCIe x16Source
M.2 Key Type
M KeySource
U.2
NoSource
Number of PCIe x16 (pcs)
3Source
RAID Controller
YesSource
Type of RAID
RAID 10, RAID 0, RAID 1Source
Socket AMD
Socket AM5Source
Cooling
PassiveSource