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    MSI MPG B550 GAMING PLUS AM4 AMD B550 SATA 6Gb/s USB 3.0 ATX AMD Motherboard

    OPEN BOX Product Type
    • AMD B550
    • Supports AM4 socket 3rd Gen AMD Ryzen processors, and future AMD Ryzen processors with BIOS update
    • Supports DDR4 4400+/ 4266/ 4133/ 4000/ 3866/ 3733/ 3600/ 3466/ 3200/ 3066/ 3000/ 2933/ 2800/ 2667 MHz by A-XMP OC MODE
    • Supports DDR4 3200/ 3066/ 3000/ 2933/ 2800/ 2667/ 2400/ 2133/ 1866 MHz by JEDEC
    • 1DPC 1R max speed 4400 MHz
    • 1DPC 2R max speed 3866 MHz
    • 2DPC 1R max speed 4000 MHz
    • 2DPC 2R max speed 3600 MHz
    The Open Box Product Disclaimer applies to this product. Please note that this product is non-returnable and non-refundable.
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    Specs

    Learn more about the MSI MPG B550 GAMING PLUS

    Model
    Brand MSI
    Model MPG B550 GAMING PLUS
    Supported CPU
    CPU Socket Type CPU Socket TypeAM4
    CPU Type Supports AM4 socket 3rd Gen AMD Ryzen processors, and future AMD Ryzen processors with BIOS update
    Chipsets
    Chipset ChipsetAMD B550
    Memory
    Number of Memory Slots 4x288pin (DDR4)
    Memory Standard Supports DDR4 4400+/ 4266/ 4133/ 4000/ 3866/ 3733/ 3600/ 3466/ 3200/ 3066/ 3000/ 2933/ 2800/ 2667 MHz by A-XMP OC MODE
    Supports DDR4 3200/ 3066/ 3000/ 2933/ 2800/ 2667/ 2400/ 2133/ 1866 MHz by JEDEC

    1DPC 1R max speed 4400 MHz
    1DPC 2R max speed 3866 MHz
    2DPC 1R max speed 4000 MHz
    2DPC 2R max speed 3600 MHz
    Maximum Memory Supported 128GB
    Channel Supported Channel SupportedDual Channel
    Expansion Slots
    PCI Express 4.0 x16 1 x PCIe 4.0/3.0 x16 slot (PCI_E1) *
    * The supported specification depends on installed processor.
    PCI Express 3.0 x16 PCI Express 3.0 x161 x PCIe 3.0 x16 slot (PCI_E3), supports x4 speed **
    ** When installing PCIe SSD in M.2_2, PCI_E3 slot will be unavailable.
    PCI Express x16 1 x PCI Express x16
    PCI Express x1 2 x PCIe 3.0 x1 slots
    Storage Devices
    SATA 6Gb/s SATA 6Gb/s6 x SATA 6Gb/s
    M.2 2 x M.2 slots (Key M)
    M2_1 slot (from AMD Processor)
    Supports PCIe 4.0/3.0 x4 *
    Supports SATA 6Gb/s
    Supports 2242/2260/2280/22110 storage devices
    M2_2 slot (from AMD B550 chipset)
    Supports PCIe 3.0 x4
    Supports 2242/2260/2280 storage devices

    * The supported specification depends on installed processor.
    SATA RAID 0/1/10
    Onboard Video
    Onboard Video Chipset Onboard Video ChipsetSupported only by CPU with integrated graphic:

    1 x HDMI port, supports a maximum resolution of 4096x2160 @24Hz
    1 x DisplayPort, supports a maximum resolution of 4096x2160 @60Hz
    Maximum shared memory of 16GB

    * Available for the processor with integrated graphics.
    Onboard Audio
    Audio Chipset Audio ChipsetRealtek ALC892
    Audio Channels Audio Channels7.1-Channel High Definition Audio
    Supports S/PDIF output
    Onboard LAN
    LAN Chipset Realtek RTL8111H
    Max LAN Speed 1Gbps
    Rear Panel Ports
    Back I/O Ports 4 x USB 3.1 Gen 1
    USB 3.0 USB 3.04 x USB 3.0
    Internal I/O Connectors
    Onboard USB 1 x USB 3.2 Gen 1 5Gbps Type-C port
    1 x USB 3.2 Gen 1 5Gbps connector (supports additional 2 USB 3.2 Gen 1 5Gbps ports)
    2 x USB 2.0 connectors (supports additional 4 USB 2.0 ports)
    Other Connectors 1 x 4-pin CPU fan connector
    1 x 4-pin water-pump fan connector
    6 x 4-pin system fan connectors
    1 x Front panel audio connector
    2 x System panel connectors
    1 x Chassis Intrusion connector
    1 x 4-pin RGB LED connector
    2 x 3-pin RAINBOW LED connectors
    1 x TPM module connector
    1 x Clear CMOS jumper
    Physical Spec
    Form Factor ATX
    LED Lighting RGB
    Dimensions (W x L) 12.0" x 9.6"
    Power Pin 1 x 24-pin ATX main power connector
    1 x 8-pin ATX 12V power connector
    Software Feature
    Windows 11 Supported
    Features
    Features Support for 3rd Gen AMD Ryzen Processors and future AMD Ryzen processors with BIOS update

    Supports DDR4 Memory, up to 4400(OC) MHz

    Lightning Fast Game experience: PCIe 4.0, Lightning Gen 4 x4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 GEN 2

    Enhanced Power Design: Core Boost, Digital PWM IC, 2oz Thickened Copper PCB, DDR4 Boost

    Premium Thermal Solution: Extended Heatsink Design and M.2 Shield Frozr are built for high performance system and non-stop gaming experience

    Pre-installed I/O Shielding: Better EMI protection and more convenience for installation

    Flash BIOS Button with Optmized ClearCMOS Function: Simply use a USB key to flash any BIOS within seconds. Restore the BIOS to the default settings without any additional actions

    Audio Boost: Reward your ears with studio grade sound quality
    Additional Information
    Date First Available February 25, 2021

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Return Policies

    • Return for refund within: non-refundable, this item is Final Sale
    • Return for replacement within: non-replaceable, this item is Final Sale
    • This item is covered by Newegg.ca's Final Sale Return Policy. Read full return policy for details.

    Open Box Product Disclaimer

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