Alaplap ASRock B450M-HDV R4.0 mATX AM4

Supports AMD AM4 Socket Ryzen™ 2000, 3000, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors
2 DIMMs, Supports DDR4 3200+(OC)*
1 PCIe 3.0 x16, 1 PCIe 2.0 x1
Graphics Output : HDMI, DVI-D, D-Sub
7.1 CH HD Audio (Realtek ALC887/897 Audio Codec)
4 SATA3, 1 Ultra M.2 (PCIe Gen3 x4 & SATA3)*
6 USB 3.1 Gen1 (2 Front, 4 Rear)
Realtek Gigabit LAN
*Actual support may vary by CPU.