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  6. Item#: 9SIAATCK971814

    $219.99
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    GIGABYTE B550 UD AC AM4 AMD B550 SATA 6Gb/s ATX Motherboard

    (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 B550
    • Ryzen 3000 Series / Ryzen 4000G Series / Ryzen 5000 Series / Ryzen 5000G Series
    • DDR4 4733(O.C.) / 4600(O.C.) / 4400(O.C.) / 4266(O.C.) / 4133(O.C.) / 4000(O.C.) / 3866(O.C.) / 3733(O.C.) / 3600(O.C.) / 3466(O.C) / 3400(O.C.) / 3200 / 2933 / 2667 / 2400 / 2133
    +
    +
    Specs
    Reviews (1,520)

    Learn more about the GIGABYTE B550 UD AC

    Model
    Brand GIGABYTE
    Model B550 UD AC
    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 4733(O.C.) / 4600(O.C.) / 4400(O.C.) / 4266(O.C.) / 4133(O.C.) / 4000(O.C.) / 3866(O.C.) / 3733(O.C.) / 3600(O.C.) / 3466(O.C) / 3400(O.C.) / 3200 / 2933 / 2667 / 2400 / 2133
    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 (PCIEX16), integrated in the CPU:
    AMD Ryzen 5000 Series Processors/AMD Ryzen 3000 Series Processors support PCIe 4.0 x16 mode
    AMD Ryzen 5000 G-Series/4000 G-Series Processors support PCIe 3.0 x16 mode
    * For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot.
    PCI Express x1 4 x PCI Express x1 slots, 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 2242/2260/2280/22110 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 2242/2260/2280/22110 SSDs:
    Supporting SATA and PCIe 3.0 x4/x2 SSDs
    SATA RAID 0/1/10
    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 Realtek Wi-Fi RTL8821CE
    WIFI 802.11a, b, g, n, ac, supporting 2.4/5 GHz Dual-Band
    Wireless LAN Wi-Fi 802.11 ac
    Bluetooth Bluetooth 4.2
    Rear Panel Ports
    Back I/O Ports 4 x USB 2.0/1.1 ports
    2 x SMA antenna connectors (1T1R)
    1 x HDMI port
    1 x USB 3.2 Gen 2 Type-A port (red)
    1 x USB Type-C port, with USB 3.2 Gen 1 support
    1 x Q-Flash Plus button
    1 x RJ-45 port
    2 x USB 3.2 Gen 1 ports
    3 x audio jacks
    Internal I/O Connectors
    Onboard USB 1 x USB Type-C port, with USB 3.2 Gen 1 support
    1 x USB 3.2 Gen 1 header
    2 x USB 2.0/1.1 headers
    Other Connectors 1 x CPU fan header
    1 x water cooling CPU fan header
    3 x system fan headers
    2 x addressable LED strip headers
    2 x RGB LED strip headers
    1 x CPU cooler LED strip/RGB LED strip 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 ATX
    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 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
    RGB Fusion
    Smart Backup
    System Information Viewer
    Support for Q-Flash Plus
    Support for Q-Flash
    Support for Xpress Install
    Additional Information
    Date First Available May 01, 2024

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