Supports AMD AM4 Socket Ryzen™ 3000, 4000 G-Series and 5000 Series Desktop
Processors
8 Power Phase Design with Digi Power
Supports DDR4 4733+ (OC)
2 x PCIe 3.0 x16, 1 x PCIe 3.0 x1
Graphics Output Options: HDMI, DisplayPort
7.1 CH HD Audio (Realtek ALC887/897 Audio Codec)
4 x SATA3, 1 x Ultra M.2 (PCIe Gen3 x4),
1 x M.2 (PCIe Gen3 x2 & SATA3)
6 x USB 3.2 Gen1 (2 Front, 4 Rear)
https://www.asrock.com/mb/AMD/A520M%20Phantom%20Gaming%204/index.asp
https://i.imgur.com/UTtZX1A.png
小石头˙的A520顶板