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Asus Prime B450M-A Desktop Motherboard - AMD Chipset - Socket AM4 - Micro ATX - Ryzen 3 PRO, Ryzen 5 Pro, Ryzen 7 PRO, Ryzen 3, Ryzen 5, Ryzen 7 Processor Supported - 128 GB DDR4 SDRAM Maximum RAM - UDIMM, DIMM - 4 x Memory Slots - Gigabit Ethernet - HDMI - 6 x SATA Interfaces

  • Onboard S/PDIF Header
  • 2
  • 4
  • 6
  • 1
  • 4
  • 1010
  • RAID Supported

Our Product No :   41488

MPN Number :   B450M-A

Manufacturer :  ASUS Computer International

Model No :   B450M-A


Pre Order

  • Product Attributes :

    • Physical Characteristics

      • 270 mm

      • 26.9 mm

      • Wall Mountable

    • Miscellaneous

      • Environmentally Friendly

      • Satellite Pro R50-C-179 Notebook Lithium Ion Battery AC Adapter

      • WEEE

      • Taiwan

    • Video

      • CPU Dependent Video

    • Interfaces/Ports

      • HDMI

      • 4

      • DVI

      • VGA

      • 1

    • Warranty

      • 2 Year

    • Processor & Chipset

      • NVIDIA

      • Socket H4 LGA-1151

      • Core i7Core i5Core i3PentiumCeleron

      • 1

    • Memory

      • DDR4 SDRAM

      • 32 GB

      • 2


      • 2933 MHz (O.C.)3200 MHz (O.C.)2667 MHz2400 MHz2133 MHz

    • Network & Communication

      • Gigabit Ethernet

    • I/O Expansions

      • 2

      • 2

      • 1

      • 1

    • Audio

      • 7.1

    • I/O Controller

      • Serial ATA/600

      • RAID Supported

      • 1010

    • Onboard Interfaces

      • 4

      • 1

      • 6

      • 4

      • 2

      • Onboard S/PDIF Header

General Information
Manufacturer ASUS Computer International
Manufacturer Part Number B450M-A
Manufacturer Website Address
Brand Name Asus
Product Line Prime
Product Model B450M-A
Product Name Prime B450M-A Desktop Motherboard
Marketing Information

AMD AM4 mATX motherboard with Aura Sync RGB header, DDR4 3200MHz, M.2, HDMI 2.0b, SATA 6Gbps and USB 3.1 Gen 2

  • Fan Xpert 2+: Flexible controls for ultimate cooling and silence, plus GPU-temperature sensing for cooler gaming
  • Ultrafast connectivity: Supreme flexibility with USB 3.1 Gen 2 and native M.2
  • ASUS Aura Sync header: Onboard connector for RGB LED strips, easily synced with an ever-growing portfolio of Aura Sync-capable hardware
  • 5X Protection III: Multiple hardware safeguards for all-around system protection


ASUS Prime B450 Series motherboards provide the solid foundation needed for your first build, plus flexibility to grow with your ambitions. We've melded all the good stuff that's packed into AMD Ryzen™ processors with essential ASUS design and engineering, so you benefit from industry-leading technologies - including automated system tuning, comprehensive cooling controls, and immersive onboard audio. When you build with an ASUS Prime B450 Series motherboard, you build smart, easy and affordably.

Cooler by design

Prime B450 Series features the most comprehensive cooling controls ever, configurable via ASUS Fan Xpert software or the UEFI BIOS.

Make your memory faster

Featuring an array of trace layout tweaks that improve memory stability, PRIME B450 Series provides a potent foundation for your build. With comprehensive support for the full gamut of Ryzen memory configurations - from entry-level to performance-oriented - PRIME B450 Series is a versatile all-rounder that can work or play.

Media-acclaimed UEFI BIOS

The UEFI BIOS is an early waypoint on any PC-building journey, and Prime B450 Series has one of the best in the business.

Q-Fan Control
Can configure the fan's operating speed manually, or use the easy pre-configured fan profiles to select Standard, Silent, Turbo or Full Speed modes, plus automatic switch to full speed if the temperature hits 75°C.

Search Function
When you're ready for a deeper dive, Advanced mode enables full control over every aspect of the motherboard - with a built-in Search function to find the setting you need in the blink of an eye.

EZ mode

EZ Tuning Wizard
Quickly apply a CPU overclock to improve system performance, or configure a RAID array for faster data retrieval and backups

Intuitive graphical fan control
Fine-tune individual fans simply by dragging a curve with the mouse.

SATA Information:
Display SATA port details that help you easily recognize drives.

Fast Clock Adjustment:
Use mouse controls to change the time and date.

Advanced mode

My Favorites
Quickly find tuning options and add preferred tools to the list.

User Profile
Save BIOS settings for migration to new BIOS version or system.

SATA Port Renaming:
Rename SATA ports for easy identification.

Ultrafast connectivity

USB 3.1 Gen 2 Type-A

Ultimate-speed 10Gbps with USB 3.1 Gen 2 onboard

With backward-compatible USB 3.1 Gen 2 Type-A™, you'll experience ultimate connection flexibility and blazing data-transfer speeds of up to 10Gbps - twice as fast as standard USB 3.1 Gen 1.

USB 3.1 Gen 1 front-panel connector

Future-proof connectivity

USB 3.1 Gen 1 is right where you need it, with two super-speed headers for the front panel. Experience data-transfer speeds up to 10X faster than USB 2.0 with instant plug-and-play connectivity, and avoid back-breaking contortions in the hunt for hard-to-reach rear ports.

Product Type Desktop Motherboard
Processor & Chipset
Chipset Manufacturer AMD
Processor Socket Socket AM4
Processor Supported
  • Ryzen 3 PRO
  • Ryzen 5 Pro
  • Ryzen 7 PRO
  • Ryzen 3
  • Ryzen 5
  • Ryzen 7
Memory Form Factor
  • DIMM
Maximum Memory Supported 128 GB
Memory Speed Supported
  • 3000 MHz (O.C.)
  • 2666 MHz
  • 2400 MHz
  • 3200 MHz (O.C.)
  • 2133 MHz
  • 2800 MHz (O.C.)
  • 4400 MHz (O.C.)
  • 3466 MHz (O.C.)
Memory Technology DDR4 SDRAM
I/O Controller
Controller Type Serial ATA/600
RAID Supported Yes
RAID Levels
  • 10
  • 1
  • 0
Onboard Video CPU Dependent Video
Audio Channels 7.1
Network & Communication
Gigabit Ethernet Yes
I/O Expansions
Onboard Interfaces
Onboard S/PDIF Header Yes
Physical Characteristics
Form Factor Micro ATX
Width 243.8 mm
Depth 241.3 mm
Package Contents
  • Prime B450M-A Desktop Motherboard
  • User's Manual
  • I/O Shield
  • 2 x SATA 6Gb/s cable(s)
  • 1 x M.2 Screw Package
  • 1 x Supporting DVD
Environmentally Friendly Yes
Environmental Certification RoHS
Country of Origin China
Limited Warranty 3 Year

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