MSI B450-A PRO MAX AM4 ATX Motherboard

BH #MSB450APROMX • MFR #B450-A PRO MAX
MSI B450-A PRO MAX AM4 ATX Motherboard
Key Features
  • ATX Form Factor
  • AMD B450 Chipset
  • AM4 Socket
  • 4 x Dual-Channel DDR4-4133 (OC)
Built on the AMD B450 chipset, the MSI B450-A PRO MAX AM4 ATX Motherboard supports 3rd generation AMD Ryzen processors with the AM4 socket. Its four memory slots support a max of 64GB of DDR4 RAM that can be overclocked up to 4133 MHz. For storage, there are six SATA III ports as well as a M.2 slot utilizing the PCIe 3.0 x4 interface. While the motherboard is equipped with DVI-D, VGA, and HDMI outputs for integrated graphics, it also has a PCIe 3.0 x16 slot for a dedicated graphics card. Other notable integrated features include Realtek ALC 892 7.1-Channel HD Audio and Realtek 8111H Gigabit LAN. This motherboard features PCIe steel armor to protect GPUs from bending and EMI. Equipped with Core Boost, DDR4 Boost, Turbo M.2, and a USB 3.2 Gen 2 connector, the B450-A PRO MAX provides the performance you need to build your own gaming rig.
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MSI B450-A PRO MAX Overview

Built on the AMD B450 chipset, the MSI B450-A PRO MAX AM4 ATX Motherboard supports 3rd generation AMD Ryzen processors with the AM4 socket. Its four memory slots support a max of 64GB of DDR4 RAM that can be overclocked up to 4133 MHz. For storage, there are six SATA III ports as well as a M.2 slot utilizing the PCIe 3.0 x4 interface. While the motherboard is equipped with DVI-D, VGA, and HDMI outputs for integrated graphics, it also has a PCIe 3.0 x16 slot for a dedicated graphics card. Other notable integrated features include Realtek ALC 892 7.1-Channel HD Audio and Realtek 8111H Gigabit LAN. This motherboard features PCIe steel armor to protect GPUs from bending and EMI. Equipped with Core Boost, DDR4 Boost, Turbo M.2, and a USB 3.2 Gen 2 connector, the B450-A PRO MAX provides the performance you need to build your own gaming rig.

Please note that this motherboard does not currently support the AMD Ryzen 5000 series processors at this time. Support will be added through a BIOS update later in January, 2021.

AMD B450 Chipset
The AMD B450 chipset delivers high performance and flexibility with the AMD AM4-socket Ryzen processors. It offers AMD StoreMI storage acceleration technology.
Additional Features
  • AMD Turbo USB 3.2 Gen 2
  • DDR4 Boost
  • Audio Boost
  • Turbo M.2
  • EZ Debug LED
  • Core Boost
  • PCIe Steel Armor
  • MSI B450-A PRO MAX Specs

    Key Specs
    Chipset
    AMD B450
    CPU Socket
    AM4
    Memory Slots
    4x 288-Pin
    Memory Support
    DDR4 1866, 2133, 2400, 2667, 2800, 2933, 3000, 3066, 3200, 3466, 3600, 3733, 3866, 4000, 4133 MHz
    M.2
    1x M Key 2242, 2260, 2280, 22110
    Expansion Slots
    1x PCIe 3.0 x16
    1x PCIe 2.0 x16
    4x PCIe x1
    Form Factor
    ATX
    CPU
    Chipset
    AMD B450
    CPU Socket
    AM4
    Back Panel I/O
    USB
    2x USB-A (USB 3.1/3.2 Gen 2)
    4x USB-A (USB 3.0 / 3.1/3.2 Gen 1)
    6x USB-A (USB 2.0)
    Display
    1x HDMI 1.4
    1x DVI-D
    1x VGA
    Audio
    6x 1/8" / 3.5 mm
    Ethernet / Controller
    1x Realtek 8111H Gigabit
    PS/2
    1x Combo
    Legacy I/O
    1x Serial
    Buttons
    BIOS Flashback
    Memory
    Memory Slots
    4x 288-Pin
    Memory Support
    DDR4 1866, 2133, 2400, 2667, 2800, 2933, 3000, 3066, 3200, 3466, 3600, 3733, 3866, 4000, 4133 MHz
    Maximum Capacity
    64 GB
    Channel Architecture
    Dual Channel
    ECC Support
    Non-ECC, ECC (Non-ECC Mode) Unbuffered
    Storage Expansion
    SATA
    6x SATA III
    M.2
    1x M Key 2242, 2260, 2280, 22110
    U.2
    No
    RAID Support
    RAID 0, 1, 10
    Internal I/O
    Expansion Slots
    1x PCIe 3.0 x16
    1x PCIe 2.0 x16
    4x PCIe x1
    USB
    1x USB 3.0 / 3.1/3.2 Gen 1 Header (Supports 2 USB-A Port)
    2x USB 2.0 Header (Supports 4 USB-A Port)
    Multi-GPU Support
    2-Way AMD CrossFireX
    Air Cooling
    1x 4-Pin CPU
    4x 4-Pin System
    Liquid Cooling
    1x 4-Pin Pump
    Power Connectors
    1x 24-Pin Mainboard
    1x 8-Pin CPU
    Security
    TPM Module
    LED Header
    1x RGB
    Diagnostics
    Clear CMOS
    Legacy
    1x Parallel
    1x Serial
    Audio
    Audio Codec
    Realtek ALC892 (7.1-Channel)
    Physical
    Form Factor
    ATX
    Dimensions
    12 x 9.6" / 30.48 x 24.38 cm
    Packaging Info
    Package Weight
    2.65 lb
    Box Dimensions (LxWxH)
    13.58 x 10.58 x 2.58"

    MSI B450-A PRO MAX Reviews

    See any errors on this page? Let us know

    What is the OS that is used with this board?

    What is the OS that is used with this board?
    Asked by: Jerry
    This motherboard is meant for use on windows 7 and windows 10 machines
    Answered by: jaime
    Date published: 2021-01-08

    does this need a bios update for ryzen 3600?

    does this need a bios update for ryzen 3600?
    Asked by: mark
    All MSI boards with MAX in the name are ready to go for Gen 3 Ryzen CPUs. The bios will not need to be updated for a Ryzen 3600. Ready to go.
    Answered by: ilich
    Date published: 2020-12-31

    is this the same board as the Tomahawk B450?

    is this the same board as the Tomahawk B450?
    Asked by: Larry
    The two motherboards are very similar. This product has more legacy support (VGA, Parallel port, more USB 2.0 ports.)
    Answered by: Christopher
    Date published: 2020-12-31

    IS there an offset screw for the SSD in the ...

    IS there an offset screw for the SSD in the motherboard case cause I saw a review that a customer did not receive an offset screw?
    Asked by: Brandon
    Yes, this item does contain a stand off screw for the M.2 drive.
    Answered by: Nachmen
    Date published: 2020-12-31
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