MSI

MSI B450M-A PRO MAX II Gaming Desktop Motherboard - AMD B450 Chipset - Socket AM4 - Micro ATX

$72.59
None availableas of 05/18/2026

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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

Overview

About the MSI PRO B450M-A PRO MAX II

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.

STAY COOL FOR RELIABLE SYSTEM

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.

FULLY CONTROLLABLE IN BIOS AND SOFTWARE

MSI motherboards let you manage speeds and temperatures for all your system and CPU fans. Total Fan Control allows you check your primary system characteristics in a simplified graphical interface. You can also set up to 4 temperature targets for CPU and motherboard, which will adjust the fan speeds automatically.

MAXIMUM 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.

RYZEN PROCESSOR SUPPORT

MSI B450 motherboards support latest generation RYZEN processors from AMD with updated features and capabilities. Ascend to new heights with a platform built for both creators and gamers.

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.



Technical specifications

Technical Specifications of the MSI PRO B450M-A PRO MAX II

General Information

General Information specifications
Manufacturer MSI
Manufacturer Part Number B450MAPROMAXII
Manufacturer Website Address http://www.msi.com
Brand Name MSI
Product Series PRO
Product Model B450M-A PRO MAX II
Product Name B450M-A PRO MAX II Gaming Desktop Motherboard
Product Type Gaming Desktop Motherboard

Processor & Chipset

Processor & Chipset specifications
Chipset Manufacturer AMD
Chipset Model B450
Total Processor Supported 1
Processor Socket Socket AM4
Processor Supported AthlonRyzen 5

Memory

Memory specifications
Number of Memory Slots 2
Memory Form Factor DIMMUDIMM
Maximum Memory 64 GB
Memory Technology DDR4 SDRAM
Memory Speed Supported 3000 MHz2800 MHz2667 MHz2933 MHz3733 MHz3200 MHz3066 MHz3466 MHz3866 MHz4000 MHz4133 MHz

I/O Controller

I/O Controller specifications
Controller Type Serial ATA/600
RAID Supported Yes
RAID Levels 0101

Video

Video specifications
Onboard Video CPU Dependent Video

Audio

Audio specifications
Audio Channels 7.1

Network & Communication

Network & Communication specifications
Gigabit Ethernet Yes
2.5Gigabit Ethernet Yes

I/O Expansions

I/O Expansions specifications
Total Number of Expansion Slots 2
PCI Express Standard PCI Express 2.0PCI Express 3.0
Total Number of PCI Express Slots 2
Number of PCI Express x1 Slots 1
Number of PCI Express x16 Slots 1

Interfaces/Ports

Interfaces/Ports specifications
Total Number of USB Ports 6
Number of USB 2.0 Ports 2
Number of USB 3.2 Gen 1 Type-A Ports 4
HDMI Yes
HDMI Version
  • 1.4
DVI Yes
Number of Network (RJ-45) Ports 1

Onboard Interfaces

Onboard Interfaces specifications
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

Physical Characteristics

Physical Characteristics specifications
Form Factor Micro ATX
Width 9.3"
Depth 7.9"

Miscellaneous

Miscellaneous specifications
Package Contents
  • B450M-A PRO MAX II Gaming Desktop Motherboard
  • Quick Installation Guide
  • EZ M.2 Clip
  • Sata Cable
  • I/O Shield


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Shipping and returns

Free shipping on most items when you spend $100 or more. In-stock items ship on the next open shipment slot. The buy box above shows the live order-by countdown and the estimated arrival date.

Need to send it back? Start a return online with a Request RMA and our team will take care of you. Keep the original packaging. Items must be returned in the condition received.

Questions about shipping or returns? Chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.