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    ASRock B550M Pro SE AM4 DDR4 SATA 6Gb/s 1 PCIe 4.0 x16 Micro ATX Motherboard

    Save even more w/ combo purchase, limited offer

    • B550 EXTREME4
    • B550 PG VELOCITA
    • B550 PHANTOM GAMING 4
    • B550 PHANTOM GAMING 4 AC
    • B550 PHANTOM GAMING-ITX/AX
    • B550M-ITX/AC
    • B550M PRO4
    • B550M STEEL LEGEND
    • B550M PRO SE
    • Supports AMD AM4 Socket Ryzen™ 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors*
    • Supports DDR4 4733+ (OC)
    • 1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 1 PCIe 3.0 x1
    • Graphics Output Options: HDMI, DisplayPort
    • Realtek ALC897 7.1 CH HD Audio Codec
    • 4 SATA3, 1 Hyper M.2 (PCIe Gen4 x4),
    • 1 M.2 (PCIe Gen3 x2 & SATA3)
    • 6 USB 3.2 Gen1 (4 Rear, 2 Front)
    • 6 USB 2.0 (2 Rear, 4 Front)
    • Dragon 2.5G LAN
    • Supports Pre-Installed I/O Shield
    • * Not compatible with AMD Athlon™ Processors.
    +
    +
    Specs
    Reviews (89)

    Learn more about the ASRock B550M Pro SE

    Best Seller Ranking #3 in AMD Motherboards
    Model
    Brand ASRock
    Model B550M Pro SE
    Supported CPU
    CPU Socket Type AM4
    CPU Type - Supports AMD AM4 Socket Ryzen 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors*
    * Not compatible with AMD Athlon™ Processors.
    Chipsets
    Chipset AMD B550
    Memory
    Number of Memory Slots 4x288pin (DDR4)
    Memory Standard - AMD Ryzen series CPUs (Vermeer) support DDR4 4533+(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3800(OC)/3733(OC)/3600(OC)/3466(OC)/3200/2933/2667/2400/2133 ECC & non-ECC, un-buffered memory*
    - AMD Ryzen series CPUs (Matisse) support DDR4 4533+(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3800(OC)/3733(OC)/3600(OC)/3466(OC)/3200/2933/2667/2400/2133 ECC & non-ECC, un-buffered memory*
    - AMD Ryzen series APUs (Cezanne) support DDR4 4733+(OC)/4666(OC)/4600(OC)/4533(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3800(OC)/3733(OC)/3600(OC)/3466(OC)/3200/2933/2667/2400/2133 ECC & non-ECC, un-buffered memory*
    - AMD Ryzen series APUs (Renoir) support DDR4 4733+(OC)/4666(OC)/4600(OC)/4533(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866(OC)/3800(OC)/3733(OC)/3600(OC)/3466(OC)/3200/2933/2667/2400/2133 ECC & non-ECC, un-buffered memory*
    - AMD Ryzen series APUs (Picasso) support DDR4 3333+(OC)/3200(OC)/2933/2667/2400/2133 non-ECC, un-buffered memory*
    * For Ryzen Series APUs (Picasso, Cezanne and Renoir), ECC is only supported with PRO CPUs.
    * Please refer to Memory Support List on ASRock's website for more information. (http://www.asrock.com/)
    * For non-XMP memory frequency support, please refer to the Specification on ASRock's website.
    * For more details, please refer to the QVL on ASRock's website.
    Maximum Memory Supported 128GB
    Memory Feature Supports Extreme Memory Profile (XMP) memory modules
    Expansion Slots
    PCI Express 4.0 x16 AMD Ryzen series CPUs (Vermeer and Matisse)
    - 2 x PCIe x16 Slots (PCIE1: Gen4x16 mode; PCIE3: Gen3 x4 mode)*
    AMD Ryzen series APUs (Cezanne and Renoir)
    - 2 x PCIe x16 Slots (PCIE1: Gen3x16 mode; PCIE3: Gen3 x4 mode)*
    AMD Ryzen series APUs (Picasso)
    - 2 x PCIe x16 Slots (PCIE1: Gen3x8 mode; PCIE3: Gen3 x4 mode)*
    * Supports NVMe SSD as boot disks
    - Supports AMD CrossFire
    PCI Express x1 1 x PCIe 3.0 x1 Slot (PCIE2: x1 mode)
    Storage Devices
    SATA 6Gb/s 4 x SATA 6Gb/s
    M.2 CPU:
    - 1 x Hyper M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen4x4 (64 Gb/s) mode (with Vermeer, Matisse) or Gen3x4 (32 Gb/s) mode (with Cezanne, Renoir and Picasso)*
    Chipset:
    - 1 x M.2 Socket (M2_2, Key M), supports type 2280 SATA3 6.0 Gb/s & PCIe Gen3x2 (16 Gb/s) modes*

    * Supports NVMe SSD as boot disks
    SATA RAID 0/1/10
    Onboard Audio
    Audio Chipset 7.1 CH HD Audio (Realtek ALC897 Audio Codec)
    Audio Channels 7.1 Channels
    Onboard LAN
    LAN Chipset Dragon RTL8125BG
    - Supports Dragon 2.5G LAN Software
    - Smart Auto Adjust Bandwidth Control
    - Visual User Friendly UI
    - Visual Network Usage Statistics
    - Optimized Default Setting for Game, Browser, and Streaming Modes
    - User Customized Priority Control
    Max LAN Speed 2.5Gbps
    Rear Panel Ports
    Back I/O Ports - 1 x PS/2 Mouse/Keyboard Port
    - 1 x HDMI Port
    - 1 x DisplayPort 1.4
    - 4 x USB 3.2 Gen1 Ports
    - 2 x USB 2.0 Ports
    - 1 x RJ-45 LAN Port with LED
    - HD Audio Jacks: Line in / Front Speaker / Microphone
    Internal I/O Connectors
    Onboard USB - 2 x USB 2.0 Headers (Support 4 USB 2.0 ports)
    - 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports)
    Other Connectors - 1 x SPI TPM Header
    - 1 x Power LED and Speaker Header
    - 2 x RGB LED Headers*
    - 2 x Addressable LED Headers**
    - 1 x CPU Fan Connector (4-pin)***
    - 3 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)****
    - 1 x Front Panel Audio Connector

    * Support in total up to 12V/3A, 36W LED Strip
    ** Support in total up to 5V/3A, 15W LED Strip
    *** CPU_FAN1 supports the fan power up to 1A (12W).
    **** CHA_FAN1~3/WP support the fan power up to 2A (24W).
    **** CHA_FAN1~3/WP can auto detect if 3-pin or 4-pin fan is in use.
    Physical Spec
    Form Factor Micro ATX
    Dimensions (W x L) 9.6" x 9.6"
    Power Pin - 1 x 24 pin ATX Power Connector
    - 1 x 8 pin 12V Power Connector
    Software Feature
    Windows 11 Supported
    Features
    Features Rock-Solid Durability
    - 8 Power Phase
    - Pre-Installed I/O Shield
    Ultrafast Connectivity
    - 2.5G LAN
    Software
    - ASRock Motherboard Utility (A-Tuning)
    - ASRock Dragon 2.5G LAN Software
    - ASRock Polychrome SYNC
    * These utilities can be downloaded from ASRock Live Update & APP Shop.
    UEFI
    - ASRock Full HD UEFI
    - ASRock Instant Flash
    Packaging
    Package Contents - 1 x User Manual
    - 2 x SATA Data Cables
    - 2 x Screws for M.2 Sockets
    Additional Information
    Date First Available August 17, 2023

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Limited Warranty period (parts): 3 years
    • Limited Warranty period (labor): 3 years
    • Read full details

    Return Policies

      We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between October 7, 2024 and December 31, 2024 you will have until January 31, 2025 to return your product.
    • Return for refund until: January 31, 2025
    • Return for replacement until: January 31, 2025
    • This item is covered by Newegg.ca's Extended Holiday Return Policy. Read full return policy for details.
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