3 Years Warranty 

• Model: GIGABYTE B550M K
• CPU Socket: AMD Socket AM4
• CPU Support: AMD Ryzen™ 5000 Series, 5000G, 4000G, 3000 Series & 3000G Processors
• Chipset: AMD B550
• Memory Slots: 4 × DDR4 DIMM
• Max Memory: 128 GB (32 GB per DIMM)
• Memory Speed: 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 Channel: Dual Channel
• ECC Support: ECC & Non-ECC Un-buffered DIMMs (CPU dependent)
• XMP Support: Yes
• Integrated Graphics: AMD Radeon™ Graphics (CPU dependent)
• Display Outputs:
  • 1 × DisplayPort 1.4 (up to 5120×2880 @ 60Hz, HDR, HDCP 2.3)
  • 1 × HDMI 2.1 (up to 4096×2160 @ 60Hz, HDR, HDCP 2.3)
• Shared Graphics Memory: Up to 16 GB
• Audio: Realtek® HD Audio Codec, 2/4/5.1/7.1-Channel
• LAN: Realtek® Gigabit Ethernet (1Gbps)
• Expansion Slots:
  • 1 × PCIe x16 (PCIe 4.0 with Ryzen 5000/3000, PCIe 3.0 with G-Series)
  • 1 × PCIe x1 (PCIe 3.0)
• Storage:
  • 1 × M.2 (CPU): PCIe 4.0 x4/x2 or SATA (CPU dependent)
  • 1 × M.2 (Chipset): PCIe 3.0 x2
  • 4 × SATA 6Gb/s
• RAID Support: RAID 0 / 1 / 10 (SATA)
• USB Ports:
  • Rear: 4 × USB 3.2 Gen1, 4 × USB 2.0
  • Front/Internal: 2 × USB 3.2 Gen1, 2 × USB 2.0
• Internal Connectors:
  • 24-pin ATX Power
  • 8-pin ATX 12V CPU Power
  • CPU Fan Header
  • System Fan Header
  • Front Panel & Front Audio Headers
  • USB 3.2 Gen1 Header
  • USB 2.0 Header
  • TPM Header (2×6-pin)
  • Clear CMOS Jumper
• Back Panel I/O:
  • PS/2 Keyboard/Mouse
  • DisplayPort
  • HDMI
  • 4 × USB 3.2 Gen1
  • 4 × USB 2.0
  • RJ-45 LAN
  • 3 × Audio Jacks
• BIOS: 128 Mbit AMI UEFI BIOS
• Monitoring: Voltage, Temperature, Fan Speed & Fan Fail Detection
• Software Features: APP Center, Q-Flash, @BIOS, EasyTune, Smart Backup
• Operating System: Windows® 11 64-bit / Windows® 10 64-bit
• Form Factor: Micro-ATX (24.4 cm × 24.4 cm)