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  6. Item#: 9B-13-162-254

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    ASRock B550M WiFi AM4 AMD B550 Micro ATX Motherboard - Wi-Fi 6E, PCIe 4.0, Hyper M.2 Gen4x4, DDR4 4733+ (OC)

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    • B550 PHANTOM GAMING 4
    • B550 PHANTOM GAMING 4 AC
    • B550M-HDV
    • B550M-ITX/AC
    • B550M PRO4
    • B550M WiFi
    • AM4 PLATFORM - Supports AMD Ryzen 5000, 5000 G-Series, 4000 G-Series, 3000 and 3000 G-Series desktop processors on the AMD B550 chipset with an 8 power phase design and 2oz copper PCB
    • HIGH-SPEED MEMORY - 4 x DDR4 DIMM slots with dual channel support, scaling up to 4733+ MHz (OC) for fast, stable performance
    • NEXT-GEN EXPANSION - 1 x PCIe 4.0 x16 reinforced steel slot plus 1 x Hyper M.2 (PCIe Gen4x4) socket and 4 x SATA3 6Gb/s connectors for flexible storage and graphics
    • WI-FI 6E CONNECTIVITY - Onboard 802.11axe Wi-Fi 6E with 6GHz band and Bluetooth 5.2, backed by Realtek Gigabit LAN for low-latency wired and wireless networking
    • IMMERSIVE AUDIO & RGB - Realtek ALC1220 7.1-channel HD audio with Nahimic Audio, dual graphics outputs (HDMI + DisplayPort), and Polychrome RGB headers for custom lighting
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    Specs
    Reviews

    Learn more about the Detailed Specifications

    Model
    Brand ASRock
    Series B550
    Supported CPU
    CPU Socket Type AM4
    CPU Type Ryzen 3000 Series, Ryzen 3000 G-Series, Ryzen 4000 G-Series, Ryzen 5000 Series, Ryzen 5000 G-Series
    Chipsets
    Chipset AMD B550
    South Bridge AMD B550
    Memory
    Number of Memory Slots 4x288pin (DDR4)
    Memory Standard DDR4 3200
    Maximum Memory Supported 128GB
    Channel Supported Dual Channel
    ECC Supported Yes
    Buffer Supported Un-buffered
    Expansion Slots
    PCI Express 4.0 x16 1 x PCI Express 4.0 x16
    PCI Express 3.0 x16 1 x PCI Express 3.0 x16
    PCI Express x16 2 x PCI Express x16
    PCI Express x4 1 x PCI Express x4
    PCI Express x1 1 x PCI Express x1
    Other Slots 1 x M.2 Socket (Key E)
    Storage Devices
    Serial ATA (SATA) 4 x SATA 6Gb/s
    M.2 1 x M.2 (Support PCIe 4.0 x4)
    SATA RAID 0/1/10
    Onboard Video
    Onboard Video Chipset AMD Radeon Vega Series
    Onboard Audio
    Audio Chipset Realtek ALC1220
    Audio Channels 7.1 Channels
    Onboard LAN
    LAN Chipset Realtek RTL8111H
    Max LAN Speed 1Gbps
    Wireless LAN WiFi IEEE 802.11 a / b / g / n / ac / ax / axe
    Bluetooth Yes
    Rear Panel Ports
    PS/2 1 x PS/2 keyboard/mouse port
    COM 1
    Video Ports HDMI + Display Port
    HDMI 1 x HDMI
    RJ45 1 x RJ45
    DisplayPort 1 x DisplayPort
    USB 3.1 8 x USB 3.1
    USB 3.0 8 x USB 3.0
    USB 1.1/2.0 6 x USB 3.0 + 6 x USB 2.0
    Audio Ports 3 Ports
    Internal I/O Connectors
    Onboard USB 4 x USB 3.2 + 4 x USB 2.0
    Physical Spec
    Form Factor Micro ATX
    LED Lighting RGB
    Dimensions (W x L) 9.6" x 9.6"
    Power Pin 24 Pin
    Software Feature
    Windows 11 Supported
    Additional Information
    First Listed on Newegg July 02, 2026

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Limited Warranty period (parts): 3 years
    • Limited Warranty period (labor): 3 years

    Return Policies

    • Return for refund within: 30 days
    • Return for replacement within: 30 days
    • Restocking Fee: Yes
    • This item is covered by NeweggBusiness.com's Standard Return Policy.
    • Read full return policy for details.

    Manufacturer Contact Info

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