MB AM4 ASRock A520M-HDV mATX// CPU- Supports AMD AM4 Socket Ryzen™ 3000, 4000 G-Series and 5000 Series Desktop Processors*Chipset- AMD A520Memory- Dual Channel DDR4 Memory Technology- 2 x DDR4 DIMM Slots- DDR4 4600+(OC) / 4533(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & non-ECC, un-buffered memory*- Max. capacity of system memory: 64GB**Graphics Three graphics output options: D-Sub, DVI-D and HDMI- Supports Triple Monitor- Supports HDMI 2.1 with max. resolution up to 4K x 2K (4096x2160) @ 60Hz- Supports DVI-D with max. resolution up to 1920x1200 @ 60Hz- Supports D-Sub with max. resolution up to 1920x1200 @ 60HzAudio- 7.1 CH HD Audio (Realtek ALC887 Audio Codec)LAN- PCIE x1 Gigabit LAN 10/100/1000 Mb/s- Realtek RTL8111HSlots- 1 x PCI Express 3.0 x16 Slot (PCIE2: x16 mode)*- 1 x PCI Express 3.0 x1 SlotStorage- 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 https://www.asrock.com/mb/AMD/A520M-HDV/index.asp#Overview