MB AM4 ASRock Fatal1ty B450 Gaming K4 ATX
// CPU
– AMD AM4 Socket
Chipset
– AMD B450
Memory
– Dual Channel DDR4 Memory Technology
– 4 x DDR4 DIMM Slots
– AMD Ryzen series CPUs (Pinnacle Ridge) support DDR4 3200+(OC)/2933(OC)/2667/2400/2133 ECC & non-ECC, un-buffered memory*
Graphics
– Three graphics output options: D-Sub, HDMI and DisplayPort 1.2
– Supports Triple Monitor
– Supports HDMI with max. resolution up to 4K x 2K (4096×2160) @ 24Hz / (3840×2160) @ 30Hz
– Supports DisplayPort 1.2 with max. resolution up to 4K x 2K (4096×2160) @ 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 RTL8111H
Slots
– 2 x PCI Express 3.0 x16 Slots (PCIE2: x16 mode; PCIE4: x4 mode)*
– 4 x PCI Express 2.0 x1 Slots
– Supports AMD Quad CrossFireX™ and CrossFireX™**
Storage
– 4 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug*
– 2 x SATA3 6.0 Gb/s Connectors by ASMedia ASM1061, support NCQ, AHCI and Hot Plug
– 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 2230/2242/2260/2280/22110 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x2 (16 Gb/s)**
USB
– 1 x USB 3.1 Gen2 Type-A Port (10 Gb/s)
– 1 x USB 3.1 Gen2 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/Fatal1ty%20B450%20Gaming%20K4/index.asp#Overview
