Motherboard ASRock B450M-HDV R4.0

Quick overview from the supplier:

MB AM4 ASRock B450M-HDV R4.0 mATX // CPU - AMD AM4 Socket - Supports CPU up to 105W Chipset - AMD B450 Memory - Dual Channel DDR4 Memory Technology - 2 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 (4096x2160) @ 24Hz / (3840x2160) @ 30Hz - Supports DVI-D with max. resolution up to 1920x1200 @ 60Hz - Supports D-Sub with max. resolution up to 2048x1536 @ 60Hz Audio - 7.1 CH HD Audio (Realtek ALC887 Audio Codec) LAN - PCIE x1 Gigabit LAN 10/100/1000 Mb/s - Realtek RTL8111H Slots - 1 x PCI Express 3.0 x16 Slot (PCIE2: x16 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), NCQ, AHCI and Hot Plug - 1 x Ultra M.2 Socket, supports M Key type 2242/2260/2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x4 (32 Gb/s) USB - 6 x USB 3.1 Gen1 Ports (2 Front, 4 Rear) - 6 x USB 2.0 Ports