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MSI MAG B550 TOMAHAWK Gaming Motherboard (AMD AM4, DDR4, PCIe 4.0, SATA 6Gb/s, M.2, USB 3.2 Gen 2, HDMI/DP, ATX, AMD Ryzen 5000 Series processors)

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4,026 ratings

| 349 answered questions

Amazon's Choice in Computer Motherboards by MSI

-11% $169.99

List Price: $189.99

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Style: MSI MAG B550 TOMAHAWK

MSI MAG B550 TOMAHAWK

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Brand	MSI
CPU Socket	Socket AM4
Compatible Devices	Personal Computer
RAM Memory Technology	DDR4
Compatible Processors	AMD 3rd Generation Ryzen
Chipset Type	AMD B550
Memory Speed	4866 MHz
Platform	Windows
Memory Storage Capacity	128 GB
RAM Memory Maximum Size	128 GB

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Support for 3rd Gen AMD Ryzen processors and future AMD Ryzen processors with BIOS update
Supports dual channel DDR4 memory up to 128 GB (4866 MHz)
On-board dual LAN: 2.5G LAN plus Gigabit LAN
Mystic Light: RGB LED lighting and extendable pin headers – 16.8 million colors / 29 effects
Audio Boost rewards your ears with studio grade sound quality for immersive gaming experiences
Premium Thermal Solution: Aluminum Cover with additional choke thermal pad rated for 7W/mk and PCB with 2 ounce thickened copper
Lightning Fast Game Experience: PCIe 4.0, Lightning Gen 4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 GEN 2

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MSI MAG B550 TOMAHAWK Gaming Motherboard (AMD AM4, DDR4, PCIe 4.0, SATA 6Gb/s, M.2, USB 3.2 Gen 2, HDMI/DP, ATX, AMD Ryzen 50

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AMD Ryzen 7 5800X 8-core, 16-Thread Unlocked Desktop Processor

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Corsair Vengeance LPX 16GB (2x8GB) DDR4 DRAM 3200MHz C16 Desktop Memory Kit - Black (CMK16GX4M2B3200C16)

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Product Description

Powered by AMD Ryzen AM4 processors, the MSI MAG B550 TOMAHAWK is hardened with performance essential specifications to outlast enemies. Equipped with Extended Heatsink Design, Core boost, M.2 Shield Frozr and 2.5G LAN for sustained performance. A variety of USB connectivity options including the latest USB 3.2 Gen 2x2 Type C standard allow for a range of peripheral and device compatibility.

Product information

Technical Details

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Summary

RAM

‎128 GB DDR4

Memory Speed

‎4866 MHz

Other Technical Details

Brand

‎MSI

Item model number

‎MAG B550 TOMAHAWK

Item Weight

‎2.99 pounds

Product Dimensions

‎12 x 9.6 x 1.5 inches

Item Dimensions LxWxH

‎12 x 9.6 x 1.5 inches

Computer Memory Type

‎DDR4 SDRAM

Manufacturer

‎MSI COMPUTER

ASIN

‎B089CWDHFZ

Country of Origin

‎China

Date First Available

‎June 16, 2020

Additional Information

Customer Reviews

4,026 ratings

4.7 out of 5 stars

Best Sellers Rank

#1 in Computer Motherboards

Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.

If you'd like a copy of the manufacturer's warranty for a product found on Amazon.com, you can contact the manufacturer directly or visit their website for more information. Manufacturer's warranties may not apply in all cases, depending on factors like the use of the product, where the product was purchased, or who you purchased the product from. Please review the warranty carefully, and contact the manufacturer if you have any questions.

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From the manufacturer

msi mag b550 tomahawk gaming motherboard

1 M.2 Shield Frozr 2 Mystic Light 3 2.5G & 1G LAN 4 Fortify With Steel Armor 5 Lightning Gen 4 Solution

More MSI B550 Series Motherboards

	MAG B550 TOMAHAWK	MPG B550 GAMING CARBON	MPG B550 GAMING PLUS	MAG B550M MORTAR WIFI	MAG B550M MORTAR	MAG B550M BAZOOKA	B550-A PRO
Chipset / Socket	AMD B550 / AM4	AMD B550 / AM4	AMD B550 / AM4	AMD B550 / AM4	AMD B550 / AM4	AMD B550 / AM4	AMD B550 / AM4
DDR4 Memory Support	4 x DIMM max 128GB; 4866+ MHz	4 x DIMM max 128GB; 4866+ MHz	4 x DIMM max 128GB; 4400+ MHz	4 x DIMM max 128GB; 4400+ MHz	x DIMM max 128GB; 4400+ MHz	x DIMM max 128GB; 4400+ MHz	x DIMM max 128GB; 4400+ MHz
PCIe x16 Slots	2x PCIe x16	2x PCIe x16	2x PCIe x16	2x PCIe x16	2x PCIe x16	1x PCIe x16	2x PCIe x16
Display Output	HDMI, DisplayPort	HDMI, DisplayPort	HDMI, DisplayPort	HDMI, DisplayPort	HDMI, DisplayPort	HDMI, DisplayPort	HDMI, DisplayPort
Audio	Audio Boost	Audio Boost	Audio Boost	Audio Boost	Audio Boost	Audio Boost	Audio Boost
M.2	2x M.2	2x M.2	2x M.2	2x M.2	2x M.2	2x M.2	2x M.2
Wireless	n/a	Wi-Fi 6 & Bluetooth	n/a	Wi-Fi 6 & Bluetooth	n/a	n/a	n/a
Ethernet LAN	2.5G LAN & Gigabit LAN	2.5G LAN	Gigabit LAN	2.5G LAN	2.5G LAN	Gigabit LAN	Gigabit LAN
Mystic Light	16.8 million colors	16.8 million colors	16.8 million colors	n/a	n/a	n/a	n/a
Form Factor	ATX	ATX	ATX	Micro-ATX	Micro-ATX	Micro-ATX	ATX

Product guides and documents

User Manual (PDF)

Customer reviews

5 star		84%
4 star		9%
3 star		2%
2 star		1%
1 star		3%

How customer reviews and ratings work

Reviewed in the United States 🇺🇸 on September 15, 2022

Style: MSI MAG B550 TOMAHAWKVerified Purchase

Paired this with Corsair Vengeance 32GB and a 5800X and I hit a CPU Mark of over 30k which is 2k over the national average. Dual ethernet ports, massive heatsinks, M.2 heatsinks, tons of room to fit a water block but I have not tried to mount my Hyper Evo-212...looking at it, I think the RAM would be in the way so be sure you measure first if you have a big heatsink. Tons of fan headers and a water block header. It's just a really nicely put together mobo with a lot of features. I am more than happy with it and it is absolutely worth the price. Well done with this one MSI.

One person found this helpful

Helpful

Will Fisher

I Love It!! No Problems for a 1st Time Builder!

Reviewed in the United States 🇺🇸 on August 27, 2022

Style: MSI MAG B550 TOMAHAWKVerified Purchase

5800x3d
MSI Ventus RTX 3080
32Gb DDr4 4000 RAM
1Tb Samsung 980 Pro
Thermaltake 850 watt
240mm AIO
This my 3rd gaming PC but first I've built. I'm not a super techy guy, I just like to play games, so if I can build a gaming PC, anyone can! I'll leave the techy stuff to people that know more than me. I'll just say, I put the thing together in a few hours with above components, and when I turned it on, everything just worked! I was worried about problems with the cpu being newer than the board or the RAM not getting the speeds I paid for ect, but nothing, I followed along a YouTube video on how to install windows from a thumb drive and everything just worked. I did end up updating my BIOS and that went smooth as well, and I didn't notice any changes after that.
CineBenchR23 score: 14,400

8 people found this helpful

Helpful

Toni McAfee

Easy install even for this "non-gaming" mom

Reviewed in the United States 🇺🇸 on September 15, 2022

Style: MSI MAG B550 TOMAHAWKVerified Purchase

I'm This board was super easy to install, even for this mom that doesn't game whatsoever. I do recommend watching some videos specific to installing this motherboard before starting, because the ikea-esqe instructions that come with it are near useless. That said, it still deserves 5 stars. As for how it performs, I'll defer to my son who says his computer is "niiiiiiice." Mom opinion is this is a fantastic motherboard for novice techies, that is great for mid-level gaming, at a good price.

One person found this helpful

Helpful

Paul F.

MSI MAG B550 excelente inversión

Reviewed in the United States 🇺🇸 on August 27, 2022

Style: MAG B550 TOMAHAWK MAX WIFIVerified Purchase

Este artículo es de gran calidad. Diseño, calidad de los materiales, acabados geniales. El manejo de la BIOS es sencillo. Muy fácil para actualizar y ha pasado ya las pruebas de exigencia iniciales. Le instale un Ryzen7 5700x con cooler wraith prism rgb y 4 ram 3600 de 16 cada una y funciona muy bien. Con la tarjeta de vídeo rtx 2060 super de 8, quedó excelente. Funciona perfecto el WIFI6 y el Bluetooth, actualizando controladores.

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Gil_58

Great motherboard, solid build

Reviewed in the United States 🇺🇸 on March 8, 2022

Style: MSI MAG B550 TOMAHAWKVerified Purchase

This review is for the MSI MAG B550 Tomahawk motherboard. I purchased one for $179 in January 2022, and it has been a solid performer. I paired it with an AMD Ryzen 5 5600G processor, 32 GB of G.Skill 3200 RAM, and an EVGA 750 watt power supply. The board is well-built and has a solid, hefty feel to it. Installation was a snap, and the user guide includes ample diagrams for component locations, pin-outs, and connectors. I flashed the BIOS before install for the new 5000 series Ryzen processors (a simple process, well-documented on the MSI website), and I didn't have any issues at start up. The Ryzen 5 5600G processor comes with a Wraith Stealth cooler, and removing the stock cooler bracket (4 screws) was a cinch, then just mount the Wraith cooler with 4 screws and done. After a 48 hour burn-in session I've been running the machine from 8 to 12 hours a day for over a month and I haven't had a single issue. I do mainly gaming, music and video streaming, word processing, and web browsing. CPU and board temps have not gone above 85 centigrade even when gaming. There are 6 SATA ports, which is plenty for most mainstream rigs, and plenty of USB connectivity counting the motherboard ports and front panel ports on my case. If you're planning on hanging a ton of USB devices off your board you might want to look for one with more connectivity, but for most this board will be plenty. I'm no audiophile, but I know what sounds good, and the audio from this board is great for music, movies, and gaming. The PCH and M.2 heatsinks are a nice touch, and the minimal amount of LED lighting on the board is pleasant and low-key. I haven't yet used a dedicated graphics card (waiting for prices and supply to ease), nor am I using the M.2 slot (I have 2 SATA drives installed). The UEFI Bios interface is presented well and provides mutiple memory profiles and overclocking options for those who are so inclined.. I haven't overclocked the board, but I did bump the RAM speed from the stock 2166 up to 3200, which improved my gaming frame rates. I'm happy with the price, features, and performance of this motherboard. I deducted one star from my rating because I'm not happy with MSI's policies. In order to register the warranty they demand that I install the Chrome web browser on my computer and create a user account, and I won't do that. They don't offer any other options for registering the warranty. If they want to form an unholy alliance with Google that is their business, but they won't dictate what programs I install or what web browser I use. I may or may not ever buy another MSI product, but I am pleased with this purchase.

6 people found this helpful

Helpful

Top reviews from other countries

Tim

Bootup with M.2 slot

Reviewed in Canada 🇨🇦 on August 20, 2020

Style: MSI MAG B550 TOMAHAWKVerified Purchase

A very nice motherboard, delivered quickly in a very nice condition, installation with AMD Ryzen 5 3600 was easy. Little challenge to boot with M.2 slot: what you need to do is disconnect all the drives on SATA, and switch to CSM mode in bios (cause my SSD was not configured in UEFI), once boot up from M.2 slot, connect back SATA drives, it works perfectly.

22 people found this helpful

ibuyzit

DO NOT BUY UNTIL THEY FIX BIOS!

Reviewed in Canada 🇨🇦 on November 21, 2020

Style: MSI MAG B550 TOMAHAWKVerified Purchase

I bought this mobo to pair it with ryzen 5 5600x and 32gb of ddr4-3600 ram. Theres an issue with the current bios where mobo doesnt boot or will go into a bootloop if ram is running at 3600 mhz. to save myself the headache i returned this mobo and got a asus b550 gaming plus, which had no issues booting.

17 people found this helpful

Amazon Customer

Great board

Reviewed in the United Kingdom 🇬🇧 on June 2, 2021

Style: MSI MAG B550 TOMAHAWKVerified Purchase

Great board, great overclocking ability only minor gripe is the bios is not particularly easy to navigate, but overall a great product

tony

Happy

Reviewed in the United Kingdom 🇬🇧 on November 4, 2020

Style: MSI MAG B550 TOMAHAWKVerified Purchase

Great motherboard I don't know much on motherboards but looks good

Yudm

Requires UEFI compatible graphics card.

Reviewed in Canada 🇨🇦 on October 14, 2020

Style: MSI MAG B550 TOMAHAWKVerified Purchase

I bought this board intending to use my old graphics card until I get enough money for a new one. It boots to a black screen that says "no graphics output protocol support detected for this graphics card. Recommend replacing with GOP/UEFI graphics card or using integrated graphics for having normal function. Press any key to shut down the system.

Unless you have a UEFI/GOP graphics card or integrated graphics you can't boot into the BIOS to change the boot setting that makes it work without a UEFI compatible card. When I borrowed my brother's graphics card to change the setting it just changed back on its own and now I can't get into the BIOS again.

I've seen posts about people having this problem with newer cards as well. Unless you have piles of spare graphics cards laying around or you're buying a processor with integrated graphics i don't recommend this board

8 people found this helpful

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MSI MAG B550 TOMAHAWK Gaming Motherboard (AMD AM4, DDR4, PCIe 4.0, SATA 6Gb/s, M.2, USB 3.2 Gen 2, HDMI/DP, ATX, AMD Ryzen 5000 Series processors)

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