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    GIGABYTE B550M K AM4 AMD B550 Micro-ATX Motherboard with Dual M.2, SATA 6Gb/s, USB 3.2 Gen 1, Realtek GbE LAN, PCIe 4.0

    Save even more w/ combo purchase, limited offer

    (1,520)(106) Write a Review
    • B550 AORUS ELITE
    • B550 AORUS ELITE V2
    • B550 AORUS ELITE AX V2
    • B550 GAMING X
    • B550 GAMING X V2
    • B550M K
    • B550 UD AC
    • B550M AORUS PRO-P
    • B550 VISION D-P
    • B550M AORUS ELITE
    • B550I AORUS PRO AX
    • B550M DS3H AC
    • AMD AM4 Socket: Supports AMD Ryzen 5000 Series/ Ryzen 5000 G-Series/ Ryzen 4000 G-Series and Ryzen 3000 Series Processors
    • DDR4 Compatible: Dual Channel ECC/ Non-ECC Unbuffered DDR4, 4 DIMMs
    • Sturdy Power Design: 4+2 Phases Digital Twin Power Design with Low RDS(on) MOSFETs
    • Connectivity: PCIe 4.0 x16 Slot, Dual Ultra-Fast NVMe PCIe 4.0/3.0 x4 M.2 Connectors, Realtek GbE LAN chip
    • Fine Tuning Features: RGB FUSION 2.0, Supports Addressable LED & RGB LED Strips, Smart Fan 5, Q-Flash Plus Update BIOS without installing, CPU, Memory, and GPU
    +
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    Specs
    Reviews (1,520)

    Learn more about the GIGABYTE B550M K

    Model
    Brand GIGABYTE
    Model B550M K
    Supported CPU
    CPU Socket Type AM4
    CPU Type Ryzen 3000 Series / Ryzen 4000G Series / Ryzen 5000 Series / Ryzen 5000G Series
    Chipsets
    Chipset AMD B550
    Memory
    Number of Memory Slots 4x288pin (DDR4)
    Memory Standard DDR4 3200
    Maximum Memory Supported 128GB
    Channel Supported Dual Channel
    ECC Supported Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules*
    * ECC memory (ECC mode) support varies by CPU
    Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
    Buffer Supported Un-buffered
    Memory Feature Support for Extreme Memory Profile (XMP) memory modules
    Expansion Slots
    PCI Express 4.0 x16 1 x PCI Express x16 slot, integrated in the CPU:
    AMD Ryzen 5000 Series/3000 Series Processors support PCIe 4.0 x16 mode
    AMD Ryzen 5000 G-Series/4000 G-Series Processors support PCIe 3.0 x16 mode
    PCI Express x1 1 x PCI Express x1 slot, integrated in the Chipset:
    Supporting PCIe 3.0 x1 mode
    Storage Devices
    SATA 6Gb/s 4 x SATA 6Gb/s
    M.2 1 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 2280 SSDs:
    AMD Ryzen 5000 Series/3000 Series Processors support SATA and PCIe 4.0 x4/x2 SSDs
    AMD Ryzen 5000 G-Series/4000 G-Series Processors support SATA and PCIe 3.0 x4/x2 SSDs

    1 x M.2 connector (M2B_SB), integrated in the Chipset, supporting Socket 3, M key, type 2280 SSDs:
    Supporting PCIe 3.0 x2 SSDs
    Onboard Audio
    Audio Channels Realtek Audio CODEC
    High Definition Audio
    2/4/5.1/7.1-channel
    * You can change the functionality of an audio jack using the audio software. To configure 7.1-channel audio, access the audio software for audio settings.
    Onboard LAN
    LAN Chipset Realtek GbE LAN chip
    Max LAN Speed 1Gbps
    Rear Panel Ports
    Back I/O Ports 1 x PS/2 keyboard/mouse port
    1 x DisplayPort
    1 x HDMI port
    4 x USB 3.2 Gen 1 ports
    4 x USB 2.0/1.1 ports
    1 x RJ-45 port
    3 x audio jacks
    Internal I/O Connectors
    Onboard USB 1 x USB 3.2 Gen 1 header
    1 x USB 2.0/1.1 header
    Other Connectors 1 x CPU fan header
    1 x system fan header
    2 x M.2 Socket 3 connectors
    4 x SATA 6Gb/s connectors
    1 x front panel header
    1 x front panel audio header
    1 x Trusted Platform Module (TPM) header (2x6 pin, for the GC-TPM2.0_S module only)
    1 x Clear CMOS jumper
    Physical Spec
    Form Factor Micro ATX
    Dimensions (W x L) 9.6" 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 APP Center
    * Available applications in APP Center may vary by motherboard model. Supported functions of each application may also vary depending on motherboard specifications.
    @BIOS
    EasyTune
    Smart Backup
    System Information Viewer
    Support for Q-Flash
    Support for Xpress Install
    Additional Information
    Date First Available February 14, 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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