Gigabyte B550M K
Desktop alaplap microatx

AMD B550 Ultra Durable Motherboard with Digital VRM Solution, PCIe 4.0 x16 Slot, Dual PCIe 4.0/3.0 M.2 Connectors, GbE LAN, Smart Fan 5 with FAN STOP

• Supports AMD Ryzen™ 5000 Series/ Ryzen™ 5000 G-Series/ Ryzen™ 4000 G-Series and Ryzen™ 3000 Series Processors
• Dual Channel ECC/ Non-ECC Unbuffered DDR4, 4 DIMMs
• Ultra Durable™ PCIe 4.0 Ready x16 Slot
• Dual Ultra-Fast NVMe PCIe 4.0/3.0 M.2 Connectors
• High Quality Audio Capacitors and Audio Noise Guard for Ultimate Audio Quality
• GbE LAN with Bandwidth Management
• Rear DisplayPort and HDMI for Multi-display Support
• Smart Fan 5 Features Multiple Temperature Sensors, Hybrid Fan Headers with FAN STOP
• Anti-Sulfur Resistors Design

• CPU

  1. AMD Socket AM4, support for: AMD Ryzen™ 5000 Series/ Ryzen™ 5000 G-Series/ Ryzen™ 4000 G-Series and Ryzen™ 3000 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 5120x2880@60 Hz
     * Support for DisplayPort 1.4 version, HDCP 2.3, and HDR.
  2. 1 x HDMI port, supporting a maximum resolution of 4096x2160@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
  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 (2x6 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