MB AM4 ASRock B450M PRO4-F R2.0 mATX
// CPU
— AMD AM4 Socket: — Supports AMD AM4 Socket Ryzen™ 2000, 3000, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors
Chipset
— AMD B450
Memory
— Dual Channel DDR4 Memory Technology
— 4 x DDR4 DIMM Slots
— Support DDR4 3200+(OC)/2933(OC)/2667/2400/2133 ECC & non-ECC, un-buffered memory*
Graphics
— Three graphics output options: D-Sub, DVI-D and HDMI
— Supports Triple Monitor
— Supports HDMI with max. resolution up to 4K x 2K (4096×2160) @ 24Hz / (3840×2160) @ 30Hz
— Supports DVI-D with max. resolution up to 1920×1200 @ 60Hz
— Supports D-Sub with max. resolution up to 1920×1200 @ 60Hz
Audio
— 7.1 CH HD Audio with Content Protection (Realtek ALC892 Audio Codec)
LAN
— PCIE x1 Gigabit LAN 10/100/1000 Mb/s
— Realtek RTL8111GR
Slots
— 1 x PCI Express 3.0 x16 Slot (PCIE2: x16 mode)*
— 1 x PCI Express 2.0 x16 Slot (PCIE3: x4 mode)
— 1 x PCI Express 2.0 x1 Slot
Storage
— 4 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10)
— 1 x Ultra M.2 Socket (M2_1), supports M Key type 2242/2260/2280 M.2 PCI Express module up to Gen3 x4 (32 Gb/s)
— 1 x M.2 Socket (M2_2), supports M Key type 2230/2242/2260/2280 M.2 SATA3 6.0 Gb/s module
USB
— 1 x USB 3.1 Gen1 Type-C Port (10 Gb/s)
— 6 x USB 3.1 Gen1 Ports)
— 6 x USB 2.0 Ports
https://www.asrock.com/mb/AMD/B450M%20Pro4-F%20R2.0/index.asp#Overview