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MSI PRO B450-A PRO MAX AM4 AMD B450 SATA 6Gb/s ATX AMD Motherboard

Ships from United States. Fees for brokerage and duty included in price. Most customers receive within 10-17 days.

Sold and Shipped by UnbeatableSale USA a-seller

Purchases from these Sellers are generally covered under our Newegg Marketplace Guarantee.
Marketplace Seller
  • AMD B450
  • Supports 1st, 2nd and 3rd Gen AMD Ryzen / Ryzen with Radeon Vega Graphics / 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/ 3866/ 3733/ 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
  • Specs
  • Warranty & Returns
  • Reviews

B450-A PRO MAX

BUSINESS CLASS

  • 1 Flash BIOS Button
  • 2 USB 2.0 & PS/2
  • 3 DVI-D & VGA
  • 4 HDMI & USB 3.2 (Gen1)
  • 5 USB 3.2 (Gen2) Type-A & LAN
  • 6 Audio Jacks
B450-A PRO MAX MOTHERBOARD
Display Interface
msi-vga_port
msi-dvi-d_port
msi-hdmi_port
VGA Port
DVI-D Port
HDMI Port
  • 7 Heavy-Plated Heat Sink
    Designed for maximum cooling
  • 8 DDR4 Boost
    Optimized traces and isolated memory circuitry
  • 9 Turbo M.2
    NVMe support, delivering speeds up to 32Gb/s using PCI-Express Gen3 x4
  • 10 PCI-E Steel Armor
    Reinforced and shielded connector
  • 11 Steel Slot
    Reinforced against bending
  • 12 Audio Boost
    Reward your ears with studio grade sound quality
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
SCALABLE GRAPHICS PERFORMANCE MULTI-GPU SUPPORT
The MSI B450-A PRO MAX supports AMD CrossFire multi GPU technology. PCI-E slot placements provide optimal airflow for graphics card cooling.
Works best with MSI graphics cards.
two VGA and AMD logo
detail of the core boost
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.
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
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.
a chart of SATA3 and TURBO M.2
FORTIFY YOUR SYSTEM WITH PCI-E STEEL ARMOR
MSI PCI Express Steel Armor slots are secured to the motherboard with extra solder points and support the weight of heavy graphics cards. When every advantage counts, Steel Armor shields the point of contact from electromagnetic interference.
two images showing different between no strenghteing and MSI steel armor
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

Learn more about the MSI B450-A PRO MAX

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details
Anonymous
Ownership: 1 week to 1 month
Verified Owner
5/ 5
Great beginner motherboard 7/27/2020 11:03:31 AM

Pros: -Cable management
-Durable
-Looks nice
-Nice heatsinks
-M.2 socket

Overall Review: Definitely an amazing motherboard just make sure when your installing it your past pre-built cases standoffs aren’t touching the mobo like me...

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 week to 1 month
Verified Owner
3/ 5
Encryption: Bitlocker 7/26/2020 10:03:45 AM

Cons: This motherboard did not come with a TMP chip. I checked with tech support. If you are using Office 365 and want your information encrypted and sent to OneDrive with BitLocker you may need the TMP chip added. I have ordered the chip.... hopefully that will solve the problem.

Overall Review: yes

0 out of 1 people found this review helpful. Did you?
Manufacturer Response:
Dear Valued Customer,

Thank you for sharing your experience with the MSI motherboard. We are sorry to hear you are experiencing a problem with the product. If you have any further questions regarding this product or have any suggestions for improvement for us, please do not hesitate to contact us directly at usrma@msi.com and we will be more than happy to assist you. 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
Great Motherboard for the Price 7/8/2020 10:07:39 PM

Pros: -Good price
-Supports Ryzen 7 3700X out of the box
-No BIOS update
-Overclockable RAM
-Easy to navigate BIOS
-Plenty of fan headers
-Tons of SATA ports
-2 PCIe x16 ports
-Decent IO

Cons: -Has a brown tint to the motherboard so it's a little ugly, but nothing some tempered glass and RGB can't fix

Overall Review: Overall a great motherboard and it is an absolute bargain for the price. Some "higher end" pricier motherboards don't even support overclocking to 3600Hz so I'm amazed that this little fella can handle it.

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

Thank you for sharing your experience with the MSI motherboard! If you ever require technical assistance or warranty support, 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
Good board overall. Its basic atx 7/8/2020 6:39:35 AM

Pros: Price point was good compaired to others I was looking at

Cons: No built in wireless/bluetooth had to get a aftermarket pcie expansion card. then I crunched numbern after buying the board and wireless card ( i did not get the cheapest wireless card ive had bad experiences. And if I woulda just spent extra money I coulda got a better board with wireless/better IO ports etc

Overall Review: Overall if you don't planb on using wireless its a great budget board

0 out of 1 people found this review helpful. Did you?
Manufacturer Response:
Dear Valued Customer,

Thank you for sharing your experience with the MSI motherboard. We are sorry to hear you are experiencing a problem with the product. If you have any further questions regarding this product or have any suggestions for improvement for us, please do not hesitate to contact us directly at usrma@msi.com and we will be more than happy to assist you. 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 | JM07072020093 | usreview@msi.com
Ownership: 1 month to 1 year
Verified Owner
5/ 5
Great mid-range motherboard 6/14/2020 3:39:36 PM

Pros: -Has lots of expansion option.
-Way too many USB ports.

Cons: -The BIOS/EUFI settings are either way too simple or way too complicated to understand. Every time I go in to them to change something, such as AMD virtualization it's about 5 minutes wandering around trying to find the right setting.
-I can't get the motherboard to update over USB. It's not a big deal because the EUFI is working fine, but just annoying.

Overall Review: This is a good board that is going to last me many upgrades. Right now I am running only half the RAM DIMMs, no M.2 SSD, and one graphic card. I plan to eventually double the RAM, add 1 TB M.2 SSD, and maybe another GPU. This should handle all of these things fine, which is why I got it so I could build my computer on a budget, but not get stuck into a low-spec system.

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

Thank you for sharing your experience with the B450 motherboard! If you ever require technical assistance or warranty support, 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
No Complaints, 100% satisfied so far. 6/10/2020 3:48:32 PM

Cons: No lights on board is really the only con and it's trivial.

Overall Review: Cheap motherboard, no lights, but exactly what I wanted. Newest BIOS out of the box so I didn't even have to use the BIOS Flashback. Ryzen 3 3200g worked and then replaced with Ryzen 7 1800x with no problem. Compatible with all of my components. I chose it from pcpartpicker.com for its low price and the fact it only uses 8 pin power connector as my Corsair 850cx processor and board power connectors are non modular. Very happy.

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
4/ 5
good bargain budget board 6/3/2020 9:45:30 AM

Pros: Seems very stable after booting twice to get the mvme reconized.Running a 3400G,CORSAIR Vengeance LPX 16GB 3200 and an Intel 660p Series M.2 228..Installed windows10 like lightening.

Overall Review: solid stable board

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
Great Board 5/30/2020 8:30:45 PM

Pros: Plenty of fan headers, USB Headers, Sata connections and PCIe slots. Board stays cool. Great price

Cons: Color is a light brown and may not be for you if your going for the perfect aesthetic look

Overall Review: I am happy I went with this board and would recommend to anyone for the price. Overclocked with ease as well. I'm not in love with the color of the board but I was aware when I bought it. It's a light brown color. The color is minimized once all the components are connected. I ended up being happy with the look but just be aware if that is important to you.

1 out of 1 people found this review helpful. Did you?
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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