MSI 

MSI B450MAPROMAX B450M-A PRO MAX

Mfg Part Number:  B450MAPROMAX  
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Price: $100.94 + Free Shipping
Quantity:
More to Come
Last Updated: Dec 04, 2025
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AMD AM4 motherboard inspired from architectural design, with Core Boost, DDR4 Boost, Turbo M.2, USB 3.2 Gen1

  • 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 and A-series / Athlon™ X4 Desktop Processors for Socket AM4
  • Supports DDR4 Memory, up to 4133 (OC) MHz
  • Turbo M.2: Running at PCI-E Gen3 x4 maximizes performance for NVMe based SSDs.
  • Audio Boost: Reward your ears with studio grade sound quality.
  • EZ Debug LED: Easiest way to troubleshoot.
  • X-Boost: Software that auto-detects and allows you to boost the performance of any storage or USB device.
  • Core Boost: With premium layout and fully digital power design to support more cores and provide better performance.

DIY FRIENDLY

MSI motherboards feature tons of convenient and smart design, such as convenient pin-header keep out zone, friendly SATA & USB location and so on, so DIY users can pick and choose any gaming rig they want.

Cooling

Cooling your PC is essential for reliable performance. MSI motherboards feature excellent power design with solid and heavy heatsink. We've made sure to include enough fan headers with full control to allow you to cool your system any way you want.

Compatibility

Every MSI motherboards are certified by strict mechanic that feature convenient pin-header keep out zone, friendly SATA & USB location for compatibility with the widest range of components and devices, so DIY user can pick and choose the components they want. More than that, we offer a dedicated Qualified Vendor List (QVL) for the most critical part - memory. Combining with MSI DDR4 Boost technology, we provide the maximum compatibility even over clocking, so you confirm and choose any gaming rig as you want.

BIOS and Software

With years of experience in creating performance enhancing tools that are easy to use, only the highest quality applications are at your disposal. Use these tools to get the most out of your motherboard and achieve victory when gaming. Moreover, we made sure our BIOS contains all the latest options and is easy to use for everyone. The extensive features let you fine-tune your system to deliver reliable maximum performance.

ENHANCED PERFORMANCE

MSI motherboards featured all the latest solution for enthusiast gamers and prosumers. CPU and memory enhancement and fast storage and USB transfer speed are ready to be on the battlefield.

CPU

Power on your RYZEN processor with optimized circuit layouts and high quality power delivery parts for an incredibly stable operation.

MEMORY

Optimized layout design and a fully isolated memory circuitry ensures perfect stability and performance. You never have to worry about your system crashing during games with MSI DDR4 BOOST.

Storage

MSI motherboards support all the latest storage standards, which allows users to connect any ultra-fast storage device. Start games faster, load levels faster and have a real advantage over your enemies.

IN-STUDIO ADVANTAGE

MSI motherboards provide the most fascinating in-studio advantages, designed to satisfy any professional workflow. Elevate your listening pleasure and network connection with MSI Audio & LAN. Enjoy extreme sound quality and uninterrupted online experience.

Main Specification
General Information
Manufacturer MSI
Manufacturer Part Number B450M-A PRO MAX
Manufacturer Website Address http://www.msi.com
Brand Name MSI
Product Series PRO
Product Model B450M-A PRO MAX
Product Name B450M-A PRO MAX Desktop Motherboard
Product Type Desktop Motherboard
Processor & Chipset
Chipset Manufacturer AMD
Chipset Model B450
Total Processor Supported 1
Processor Socket Socket AM4
Processor Supported A-Series
Processor Supported Ryzen
Processor Supported Athlon
Processor Supported Athlon X4
Memory
Number of Memory Slots 2
Memory Form Factor UDIMM
Memory Form Factor DIMM
Maximum Memory Supported 32 GB
Memory Technology DDR4 SDRAM
Memory Speed Supported 3200 MHz
Memory Speed Supported 2933 MHz
Memory Speed Supported 3466 MHz
Memory Speed Supported 2400 MHz
Memory Speed Supported 2667 MHz
Memory Speed Supported 2800 MHz
Memory Speed Supported 3866 MHz
Memory Speed Supported 3733 MHz
Memory Speed Supported 1866 MHz
Memory Speed Supported 3066 MHz
Memory Speed Supported 3000 MHz
Memory Speed Supported 4133 MHz
Memory Speed Supported 2133 MHz
Memory Speed Supported 4000 MHz
I/O Controller
Controller Type Serial ATA/600
RAID Supported Yes
RAID Levels 1
RAID Levels 10
RAID Levels 0
Video
Onboard Video CPU Dependent Video
Audio
Audio Channels 7.1
Network & Communication
Gigabit Ethernet Yes
I/O Expansions
Total Number of Expansion Slots 2
Total Number of PCI Express Slots 2
Number of PCI Express x1 Slots 1
Number of PCI Express x16 Slots 1
Interfaces/Ports
Total Number of USB Ports 6
Number of USB 2.0 Ports 2
Number of USB 3.2 Ports 4
HDMI Yes
DVI Yes
Number of Network (RJ-45) Ports 1
Onboard Interfaces
Number of SATA Interfaces 4
Number of M.2 Interfaces 1
Total Number of Onboard USB Ports 6
Number of Onboard USB 2.0 Ports 4
Number of Onboard USB 3.2 Ports 2
Physical Characteristics
Form Factor Micro ATX
Width 9.3"
Depth 7.9"
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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