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MSI B450 TOMAHAWK MAX AM4 AMD B450 SATA 6Gb/s ATX AMD Motherboard

Ships from United States.

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  • AMD B450
  • Supports 1st, 2nd and 3rd Gen AMD Ryzen / Ryzen with Radeon Vega Graphics and 2nd Gen AMD Ryzen with Radeon Graphics / Athlon with Radeon Vega Graphics Desktop Processors for Socket AM4
  • For AMD Ryzen Gen3 (R5/R7/R9):
  • Supports DDR4 4133/ 4000/ 3466/ 3200/ 3066/ 3000/ 2933/ 2800/ 2667 MHz by A-XMP OC MODE
  • For AMD Other CPU:
  • Supports DDR4 3466/ 3200/ 3066/ 3000/ 2933/ 2800/ 2667 MHz by A-XMP OC MODE
  • Supports DDR4 2667/ 2400/ 2133/ 1866 MHz by JEDEC

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

B450 TOMAHAWK MAX

READY TO DOMINATE THE GAME

  • 1 Flash BIOS Button
  • 2 PS/2 Combo Port
  • 3 DVI-D Port
  • 4 USB 3.2 Gen2 (Type-A + C)
  • 5 HD Audio Connectors
B450 TOMAHAWK MAX MOTHERBOARD
  • 6 Heavy-Plated Gaming Heat Sinks
    Designed for maximum cooling
  • 7 DDR4 Boost
    Optimized traces and isolated memory circuitry
  • 8 PCI-E Steel Armor
    Reinforced and shielded connector
  • 9 Turbo M.2
    NVMe support, delivering speeds up to 32Gb/s using PCI-Express Gen3 x4
  • 10 Audio Boost
    Optimized gaming audio
  • 11 Extended Heat-Sink Design
    Larger heat-sink design for cooling and performance
  • 12 Arsenal Sticker Area
    Customizable surface
max logo
ENHANCED BIOS COMPATIBILITY & CROSS-GEN RYZEN SUPPORT
MAX motherboards have been upgraded to support multiple Ryzen processor generations including Ryzen 3000 series processors. Get more with Click BIOS 5, designed with an easy to use layout and advanced system-tuning capabilities.
screenshot of EZ-mode and advanced
LARGER HEAT SINKS FOR MORE VRM COOLING
Heat sinks on top of the VRM help to dissipate excessive heat. Extended heat sinks have even more surface area for more thermal dissipation.
detail of an MSI motherboard's extended heat sink
EASY BIOS RECOVERY WITH FLASH BIOS BUTTON
Flash the BIOS with only a connected power supply by following a few steps. CPU and memory not required.
setp1-4
EXTREME STORAGE PERFORMANCE: TURBO M.2
Enjoy a blazing-fast system boot up and insanely quick loading of applications and data. Delivering speeds up to 32Gb/s per device using Gen3 x4.
chart of TURBO M.2
connector icon
MAXIMIZE YOUR USB DEVICE PERFORMANCE
Transfer your favorite games, music and movies over USB faster than ever. MSI offers a wide variety of options to connect and boost your USB 3.2 devices!
detail of amd turbo USB
detail of the core boost technology
CORE BOOST
Core Boost is the latest advancement of MSI's motherboard CPU power delivery system. A reserved zone of premium power delivery components on an optimized circuit design results in a highly efficient power system capable of precise current output to the CPU.
CUSTOMIZE YOUR GAMING RIG
Personalize your PC with 16.8 million colors and 29 effects through the Mystic Light APP.
inside of the case, RGB icon, corsair logo, G.skill logo, Crucial logo, adata logo, geil logo, kingston logo
AMPLIFY YOUR GAME WITH AUDIO BOOST
Like a dedicated sound card, Audio Boost offers a HD audio processor, dedicated amplifier and high-quality audio capacitors, all physically isolated from the rest of the motherboard circuitry to ensure the purest audio signal to locate enemies with pin-point accuracy.
detail of isolated Audio line and high-quality audio capacitors
UNMATCHED MEMORY PERFORMANCE
MSI takes memory stability and performance to the extreme. We've designed an optimized memory circuit design for reliability and tested compatibility extensively in partnership with major memory manufacturers.
chart of the DDR4 boost
BEST COMPATIBILITY
Get more out of high-performance RAM with DDR4 Boost. The memory circuit design has been optimized for short and fast transmission on a reserved section of the motherboard fully isolated from any other circuit.
a chart of others and MSI
YOUR IN-GAME ADVANTAGE
Outsmart and outperform your opponents in-game using an array of unique MSI GAMING tools. Clever hardware & software tools, created to keep you one step ahead of the competition and boost your skills.
image of Gaming-Hotkey and gaming device port
a chart of game boost and two Multi-GPUs

Learn more about the MSI B450 TOMAHAWK MAX

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by Newegg.com's Standard Return Policy.
Anonymous
Ownership: 1 week to 1 month
Verified Owner
5/ 5
Good motherboard 5/20/2020 11:19:04 AM

Overall Review: Mobo works great, had zero issues with it, setup worked out of the box.

AMD recently said the b450s will work with the new am4 processors coming out, which is another big bonus.

I recommened this mobo

Did you find this review helpful?
Manufacturer Response:
Dear Valued Customer,

Thank you for sharing your experience with the MSI motherboard! If you would like further technical assistance, please feel free to contact our technical support department directly at 626.271.1004 from M to F, 9am to 6pm Pacific Standard Time.

Thanks for choosing MSI!

Best Regards,
MSI Review Team
Ownership: 1 week to 1 month
Verified Owner
3/ 5
Can’t complain too much, but it’s not the best 5/20/2020 5:13:19 AM

Pros: I’m not the best with knowing good from bad, but all the ports fit nicely, easy to find, and didn’t make for a cable nightmare.

Cons: The color customization is HORRIBLE. You have some stock options, but “audio sync” is just strobe lighting a rainbow anytime any audio is playing. It’s not even synced. Also if you use the wraith prism fan cooler for your CPU, you can expect the colors on your CPU fan to change every time to restart your computer because the motherboard software overrides it (I’m sure there’s a workaround, but it’s still a problem)

Overall Review: Logistics are good, the color is horrible and can potentially affect your other colors

Did you find this review helpful?
Ownership: 1 week to 1 month
Verified Owner
4/ 5
Great motherboard for gaming PC! 5/19/2020 11:17:52 AM

Pros: - Turbo m.2
- Flash Bios Burton
- EZ debug LED

Cons: - not many USB ports available, might be an issue depending of your use

Overall Review: I just made my first build for a gaming PC and this was the motherboard that was always coming back in numerous articles and videos I've read/watch. The motherboard was quite simple to mount. Did not have any issues, everything is explained in the booklet and you will find many videos on how make your build with this specific model.
I will not give 5 eggs but only because you can find top end motherboards that can best this one. For the price this a really good choice.

Did you find this review helpful?
Manufacturer Response:
Dear Valued Customer,

Thank you for sharing your experience with the MSI motherboard! If you would like further technical assistance, please feel free to contact our technical support department directly at 626.271.1004 from M to F, 9am to 6pm Pacific Standard Time.

Thanks for choosing MSI!

Best Regards,
MSI Review Team
Ownership: 1 month to 1 year
Verified Owner
3/ 5
Pretty good, a bit flawed 5/16/2020 6:30:13 PM

Pros: -Price is very good for what you get.
-I like the debug lights as they make it easy to tell when things go wrong

Cons: -USB ports on this thing seem to shut off for a split second during use.
-The heatsinks are pretty big which makes accessing radiator fans kind of difficult.
-The board doesn’t support DDR4 ram that exceeds 32GBs and a speed of 3000. I tried to install some new Corsair rgb pro ram and all I got were errors, crashes and blue screens.

Overall Review: While it’s a pretty good board and functions most of the time when I play games, I’d say go for a better one if you’ve got the money to spare

Did you find this review helpful?
Ownership: 1 week to 1 month
Verified Owner
5/ 5
I love this thing 5/16/2020 1:57:13 PM

Cons: This has nothing to do with the motherboard performance. MSI please dont let AMD get away without supporting very well capable motherboards that are able to run 16 core CPU's. Tomahawk MAX is very capable of running 16 core CPU thats overclocked and to top it off it has 32gb rom. Dont let AMD get away with shady business.

Overall Review: Very nice motherboard, bios layout is excellent for whatever you want to do. The 3700x in stock settings want to rage from time to time up to 4.4ghz on all 8 cores, thankfully MSI have the software outside bios and I can choose the balanced profile and keep all cores to 3.6ghz. For the life of me I cant find an option into the bios to lock in the CPU to run all cores to 3.6ghz without fluctuating... If there is such option in bios please MSI chime in the respond section with an answer so I dont have to choose balanced profile everytime I start the PC. RAM XMP went smooth with GSkill at 3600mhz. The board looks very appealing to the eye, highly happy over all, thanks MSI for releasing good quality product, I wanted the x570 Tomahawk but its yet to be released in online stores.

Did you find this review helpful?
Manufacturer Response:
Dear Valued Customer,

Thank you for sharing your experience with the MSI motherboard! If you would like further technical assistance, please feel free to contact our technical support department directly at 626.271.1004 from M to F, 9am to 6pm Pacific Standard Time.

Thanks for choosing MSI!

Best Regards,
MSI Review Team
Ownership: 1 week to 1 month
Verified Owner
5/ 5
Best B450 Motherboard, Period. 5/16/2020 9:28:18 AM

Pros: Design and Layout, Quality and Price

Cons: It would have been even better if it had built in WiFi

Overall Review: I highly recommend this product to anyone building a Ryzen 5, 7 or even a 9 build.

Did you find this review helpful?
Manufacturer Response:
Dear Valued Customer,

Thank you for sharing your experience with the MSI motherboard! If you would like further technical assistance, please feel free to contact our technical support department directly at 626.271.1004 from M to F, 9am to 6pm Pacific Standard Time.

Thanks for choosing MSI!

Best Regards,
MSI Review Team
Anonymous
Ownership: 1 month to 1 year
Verified Owner
1/ 5
Stopped Posting 5/16/2020 5:43:22 AM

Overall Review: I finally decided to build a new computer a few months ago, my first build in over 7 years, and so I decided to pair a team red Ryzen 3600 with this motherboard...

Worked well up until a few days ago when my pc wouldnt wake up from sleep mode. I shut it down all the way and tried to reboot. My computer will turn on but not post anything. The debug light shows red on cpu for about 15 seconds and then goes off and after about 2 minutes the pc will shut down.

I have cleared the CMOS, tried a different GPU and completely taken apart the rig and rebuilt it as a testbench outside the case using the same and a different PSU. Still nothing.
The other attempt I saw from what looked like many people having this issue with this line of board was to flashy bios which doesnt actually do anything when i press the flash button with my fat32 formatted usb in the flash usb port...

Really upsetting when i have just bought a new mic, webcam lights etc to use this as a streamimg build. Really hoping I can somehow get this build back up and running...

Did you find this review helpful?
Ownership: 1 week to 1 month
Verified Owner
5/ 5
Great Product and Swift Delivery 5/15/2020 1:58:57 PM

Overall Review: I'm really happy with the product that was sent to me. It was packaged safely and delivered promptly. The motherboard was really easy to set up and runs well so far.

Did you find this review helpful?
Manufacturer Response:
Dear Valued Customer,

Thank you for sharing your experience with the MSI motherboard! If you would like further technical assistance, please feel free to contact our technical support department directly at 626.271.1004 from M to F, 9am to 6pm Pacific Standard Time.

Thanks for choosing MSI!

Best Regards,
MSI Review Team
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