GIGABYTE Ultra Durable AM5 B550 MATX GA-B550M H ARGB MotherboardAMD B550 Series (supports AMD Ryzen™ 5000 Series / Ryzen™ 5000 G Series / Ryzen™ 4000 G Series and Ryzen™ 3000 and Ryzen™ 3000 G-Series processors) S 0 × 2（Rear × 2）

0 × 2（Rear × 2）  　 　 RS232 × 1（Rear）  　 　 LAN (1000 Mbps) × 2（Rear）  　 Network Interface Wi-Fi AP & Station

0 x4/x2 SSD)(M2Q_SB)

1 x HDMI port

6/15/15/43

GIGABYTE Ultra Durable AM5 B550 MATX GA-B550M H ARGB MotherboardAMD B550 Series (supports AMD Ryzen™ 5000 Series / Ryzen™ 5000 G Series / Ryzen™ 4000 G Series and Ryzen™ 3000 and Ryzen™ 3000 G-Series processors) S 0 × 2（Rear × 2）B550M H ARGB Supports AMD Ryzen 5000 Series Ryzen 5000 G Series Ryzen 4000 G Series and Ryzen 3000 and Ryzen 3000 G Series Processors Dual Channel ECC Non ECC Unbuffered DDR4, 2 DIMMs Integrated ARGB header and Q Flash Plus button PCIe Gen4. 0 x4 M. 2 with PCIe NVMe & SATA mode support Fast Network: GbE LAN 8 Channel HD Audio with High Quality Audio Capacitors Rear HDMI and DisplayPort for Multi display Support AMD B550 2*DDR4 5100(O. C) ~ 2133 MT s