Gigabyte B550M-K AMD Ryzen 5000 Motherboard

CPU

• • 1. AMD Socket AM4, support for: AMD Ryzen™ 5000 Series/ Ryzen™ 5000 G-Series/ Ryzen™ 4000 G-Series and Ryzen™ 3000 and Ryzen™ 3000 G-Series Processors

  (Please refer “CPU Support List” for more information.)

Chipset

• • 1. AMD B550

Memory

• • 1. 4 x DDR4 DIMM sockets supporting up to 128 GB (32 GB single DIMM capacity) of system memory
    2. Support for 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 MHz memory modules
    3. Dual channel memory architecture
    4. Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules*
       * ECC memory (ECC mode) support varies by CPU
    5. Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules
    6. Support for Extreme Memory Profile (XMP) memory modules

  (Please refer “Memory Support List” for more information.)

Onboard Graphics

• Integrated Graphics Processor:
  • 1. 1 x DisplayPort, supporting a maximum resolution of 5120×2880@60 Hz
       * Support for DisplayPort 1.4 version, HDCP 2.3, and HDR.
    2. 1 x HDMI port, supporting a maximum resolution of 4096×2160@60 Hz
       * Support for HDMI 2.1 version, HDCP 2.3, and HDR.

  Maximum shared memory of 16 GB

Audio

• • 1. Realtek^® Audio CODEC
    2. High Definition Audio
    3. 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.

LAN

• • 1. Realtek^® GbE LAN chip (1 Gbps/100 Mbps)

Expansion Slots

• 1 x PCI Express x16 slot, integrated in the CPU:
  • 1. AMD Ryzen™ 5000 Series*/3000 Series Processors support PCIe 4.0 x16 mode
       * Actual support may vary by AMD CPU’s specification.
    2. AMD Ryzen™ 5000 G-Series/4000 G-Series Processors support PCIe 3.0 x16 mode

  1 x PCI Express x1 slot, integrated in the Chipset:

  • 1. Supporting PCIe 3.0 x1 mode

Storage Interface

• 1 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 2280 SSDs:
  • 1. AMD Ryzen™ 5000 Series/3000 Series Processors support SATA and PCIe 4.0 x4/x2 SSDs
    2. 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:

  • 1. Supporting PCIe 3.0 x2 SSDs

  4 x SATA 6Gb/s connectors, integrated in the Chipset:

  • 1. Support for RAID 0, RAID 1, and RAID 10

USB

• CPU:
  • 1. 4 x USB 3.2 Gen 1 ports on the back panel

  Chipset:

  • 1. 2 x USB 3.2 Gen 1 ports available through the internal USB header
    2. 6 x USB 2.0/1.1 ports (4 ports on the back panel, 2 ports available through the internal USB header)

Internal I/O Connectors

• • 1. 1 x 24-pin ATX main power connector
    2. 1 x 8-pin ATX 12V power connector
    3. 1 x CPU fan header
    4. 1 x system fan header
    5. 2 x M.2 Socket 3 connectors
    6. 4 x SATA 6Gb/s connectors
    7. 1 x front panel header
    8. 1 x front panel audio header
    9. 1 x USB 3.2 Gen 1 header
    10. 1 x USB 2.0/1.1 header
    11. 1 x Trusted Platform Module (TPM) header (2×6 pin, for the GC-TPM2.0_S module only)
    12. 1 x Clear CMOS jumper

Back Panel Connectors

• • 1. 1 x PS/2 keyboard/mouse port
    2. 1 x DisplayPort
    3. 1 x HDMI port
    4. 4 x USB 3.2 Gen 1 ports
    5. 4 x USB 2.0/1.1 ports
    6. 1 x RJ-45 port
    7. 3 x audio jacks

I/O Controller

• • 1. iTE^® I/O Controller Chip

H/W Monitoring

• • 1. Voltage detection
    2. Temperature detection
    3. Fan speed detection
    4. Fan fail warning
    5. Fan speed control
       * Whether the fan speed control function is supported will depend on the cooler you install.

BIOS

• • 1. 1 x 128 Mbit flash
    2. Use of licensed AMI UEFI BIOS
    3. PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0

Unique Features

• • 1. 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
    2. Support for Q-Flash
    3. Support for Xpress Install

Bundled Software

• • 1. Norton^® Internet Security (OEM version)
    2. LAN bandwidth management software

Operating System

• • 1. Support for Windows 11 64-bit
    2. Support for Windows 10 64-bit

Form Factor

• 1. Micro ATX Form Factor; 24.4cm x 24.4cm