GIGABYTE B550 Gaming X Motherboard



  • Supports AMD 3rd Gen Ryzen™/ 2nd Gen Ryzen™/ 1st Gen Ryzen™/ 2nd Gen Ryzen™ with Radeon™ Vega Graphics/ 1st Gen Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics Processors
  • Dual Channel Non-ECC Unbuffered DDR4, 4 DIMMs
  • HDMI, DVI-D Ports for Multiple Display
  • Ultra-Fast NVMe PCIe Gen3 x4 M.2
  • High Quality Audio Capacitors and Audio Noise Guard design
  • RGB FUSION 2.0 with Addressable RGB & RGB LED Strips support
  • GIGABYTE Exclusive 8118 Gaming LAN with Bandwidth Management
  • Smart Fan 5 Features 6 Temperature Sensors and 4 Hybrid Fan Headers with FAN STOP
  • APP Center Including EasyTune™ and Cloud Station™ Utilities


B550 GAMING Xof the motherboarddetail of the motherboard
  1. Solid Pin Power Connector
  2. DVI
  3. HDMI
  4. Q-Flash Plus Button
  5. GIGABYTE 8118 Gaming GbE LAN
  6. Ultra Durable PCIe Armor
    • PCIe 4.0 Slot
    • Running 1 x16
  7. High Quality Audio Solution
  8. High-End Audio Capacitors
  9. RGB FUSION 2.0
    • Addressable LED Header*2
    • RGB LED Header*3
  10. True 10+3 Phases Digital Power
    • Premium Choke and Capacitor
  1. Dual Channel DDR4, 4 DIMMs
  2. Supports 3rd Gen AMD Ryzen Processors
  3. Advanced Thermal Design
    • Enlarged Surface Heatsinks
    • 5 W/mK Thermal Conductivity Pad
    • Pre-installed I/O Shield
  4. Dual M.2 Connectors
    1. 22110 M.2 with Thermal Guard

    • PCIe 4.0 M.2 Connector
    • NVMe PCIe 4.0/3.0 x4 and SATA Mode (from CPU)

    2. 2280 M.2

    • NVMe PCIe 3.0 x4 and SATA Mode (from Chipset)
  5. Smart Fan 5 + FAN STOP
    • 5* Fan / Water Pump Connectors
    • 6* Temperature Sensors
amd ryzen of the motherboard


10+3 Phases Pure Digital VRM Solution with Low RDS(on) MOSFETs

B550 motherboard use a 10+3 phases pure digital PWM + Low RDS(on) MOSFETs design to support the 3rd Gen AMD Ryzen CPUs by offering incredible precision in delivering power to the motherboard’s most power-hungry and energy-sensitive components as well as delivering enhanced system performance and ultimate hardware scalability.

Hybrid-Digital of the motherboard

Benefits of Low RDS(on) MOSFETs

  • Optimized gate charge to minimize switching losses.
  • Lower temperature, smaller size, better thermal characteristics.
chart of powerdesign

PCIe 4.0* Hardware Design

detail of the PCIe design
  1. PCIe 4.0 Slot

    Reinforces PCIe 4.0 x16 bandwidth with lower impedance.
    * Actual support may vary by CPU

  2. M.2 PCIe 4.0 Slot

    M.2 PCIe 4.0 x4 slot with Lower impedance.