Mainboard|asrock|amd b550|sam4|microatx|1xpci-express 3.0 1x|1xpci-express 3.0 4x|1xm.2|1xpci-express 4.0 16x|memory ddr4|memory slots 4|1xhdmi|1xdisplayport|2xaudio-in|3xaudio-out|2xusb 2.0|1xusb type c|5xusb 3.2|1xps/2|1xoptical s/pdif|1xrj45|b550msteellegend

B550M Steel Legend

Supports 3rd Gen AMD AM4 Ryzen™ / Future AMD Ryzen™ Processors

10 Power Phase Design, Dr. MOS

Supports DDR4 4733+ (OC)

1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 1 PCIe 3.0 x1, 1 M.2 Key E for WiFi

Graphics Output Options: HDMI, DisplayPort

AMD CrossFireX™

7.1 CH HD Audio (Realtek ALC1200 Audio Codec), Nahimic Audio

6 SATA3, 1 Hyper M.2 (PCIe Gen4 x4), 1 M.2 (PCIe Gen3 x2 & SATA3)

2 USB 3.2 Gen2 (Rear Type A+C), 8 USB 3.2 Gen1 (4 Front, 4 Rear)

Dragon 2.5G LAN